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  • 国内区域编码
    2024-05-31

    |编号|区域| |:---- |:---|:----- |----- | |110000|北京市 |110100|市辖区 |120000|天津市 |120100|市辖区 |130000|河北省 |130100|石家庄市 |130200|唐山市 |130300|秦皇岛市 |130400|邯郸市 |130500|邢台市 |130600|保定市 |130700|张家口市 |130800|承德市 |130900|沧州市 |131000|廊坊市 |131100|衡水市 |140000|山西省 |140100|太原市 |140200|大同市 |140300|阳泉市 |140400|长治市 |140500|晋城市 |140600|朔州市 |140700|晋中市 |140800|运城市 |140900|忻州市 |141000|临汾市 |141100|吕梁市 |150000|内蒙古自治区 |150100|呼和浩特市 |150200|包头市 |150300|乌海市 |150400|赤峰市 |150500|通辽市 |150600|鄂尔多斯市 |150700|呼伦贝尔市 |150800|巴彦淖尔市 |150900|乌兰察布市 |152200|兴安盟 |152500|锡林郭勒盟 |152900|阿拉善盟 |210000|辽宁省 |210100|沈阳市 |210200|大连市 |210300|鞍山市 |210400|抚顺市 |210500|本溪市 |210600|丹东市 |210700|锦州市 |210800|营口市 |210900|阜新市 |211000|辽阳市 |211100|盘锦市 |211200|铁岭市 |211300|朝阳市 |211400|葫芦岛市 |220000|吉林省 |220100|长春市 |220200|吉林市 |220300|四平市 |220400|辽源市 |220500|通化市 |220600|白山市 |220700|松原市 |220800|白城市 |222400|延边朝鲜族自治州 |230000|黑龙江省 |230100|哈尔滨市 |230200|齐齐哈尔市 |230300|鸡西市 |230400|鹤岗市 |230500|双鸭山市 |230600|大庆市 |230700|伊春市 |230800|佳木斯市 |230900|七台河市 |231000|牡丹江市 |231100|黑河市 |231200|绥化市 |232700|大兴安岭地区 |310000|上海市 |310100|市辖区 |320000|江苏省 |320100|南京市 |320200|无锡市 |320300|徐州市 |320400|常州市 |320500|苏州市 |320600|南通市 |320700|连云港市 |320800|淮安市 |320900|盐城市 |321000|扬州市 |321100|镇江市 |321200|泰州市 |321300|宿迁市 |330000|浙江省 |330100|杭州市 |330200|宁波市 |330300|温州市 |330400|嘉兴市 |330500|湖州市 |330600|绍兴市 |330700|金华市 |330800|衢州市 |330900|舟山市 |331000|台州市 |331100|丽水市 |340000|安徽省 |340100|合肥市 |340200|芜湖市 |340300|蚌埠市 |340400|淮南市 |340500|马鞍山市 |340600|淮北市 |340700|铜陵市 |340800|安庆市 |341000|黄山市 |341100|滁州市 |341200|阜阳市 |341300|宿州市 |341500|六安市 |341600|亳州市 |341700|池州市 |341800|宣城市 |350000|福建省 |350100|福州市 |350200|厦门市 |350300|莆田市 |350400|三明市 |350500|泉州市 |350600|漳州市 |350700|南平市 |350800|龙岩市 |350900|宁德市 |360000|江西省 |360100|南昌市 |360200|景德镇市 |360300|萍乡市 |360400|九江市 |360500|新余市 |360600|鹰潭市 |360700|赣州市 |360800|吉安市 |360900|宜春市 |361000|抚州市 |361100|上饶市 |370000|山东省 |370100|济南市 |370200|青岛市 |370300|淄博市 |370400|枣庄市 |370500|东营市 |370600|烟台市 |370700|潍坊市 |370800|济宁市 |370900|泰安市 |371000|威海市 |371100|日照市 |371300|临沂市 |371400|德州市 |371500|聊城市 |371600|滨州市 |371700|菏泽市 |410000|河南省 |410100|郑州市 |410200|开封市 |410300|洛阳市 |410400|平顶山市 |410500|安阳市 |410600|鹤壁市 |410700|新乡市 |410800|焦作市 |410900|濮阳市 |411000|许昌市 |411100|漯河市 |411200|三门峡市 |411300|南阳市 |411400|商丘市 |411500|信阳市 |411600|周口市 |411700|驻马店市 |419000|省直辖县级行政区划 |420000|湖北省 |420100|武汉市 |420200|黄石市 |420300|十堰市 |420500|宜昌市 |420600|襄阳市 |420700|鄂州市 |420800|荆门市 |420900|孝感市 |421000|荆州市 |421100|黄冈市 |421200|咸宁市 |421300|随州市 |422800|恩施土家族苗族自治州 |429000|省直辖县级行政区划 |430000|湖南省 |430100|长沙市 |430200|株洲市 |430300|湘潭市 |430400|衡阳市 |430500|邵阳市 |430600|岳阳市 |430700|常德市 |430800|张家界市 |430900|益阳市 |431000|郴州市 |431100|永州市 |431200|怀化市 |431300|娄底市 |433100|湘西土家族苗族自治州 |440000|广东省 |440100|广州市 |440200|韶关市 |440300|深圳市 |440400|珠海市 |440500|汕头市 |440600|佛山市 |440700|江门市 |440800|湛江市 |440900|茂名市 |441200|肇庆市 |441300|惠州市 |441400|梅州市 |441500|汕尾市 |441600|河源市 |441700|阳江市 |441800|清远市 |441900|东莞市 |442000|中山市 |445100|潮州市 |445200|揭阳市 |445300|云浮市 |450000|广西壮族自治区 |450100|南宁市 |450200|柳州市 |450300|桂林市 |450400|梧州市 |450500|北海市 |450600|防城港市 |450700|钦州市 |450800|贵港市 |450900|玉林市 |451000|百色市 |451100|贺州市 |451200|河池市 |451300|来宾市 |451400|崇左市 |460000|海南省 |460100|海口市 |460200|三亚市 |460300|三沙市 |460400|儋州市 |469000|省直辖县级行政区划 |500000|重庆市 |500100|市辖区 |500200|县 |510000|四川省 |510100|成都市 |510300|自贡市 |510400|攀枝花市 |510500|泸州市 |510600|德阳市 |510700|绵阳市 |510800|广元市 |510900|遂宁市 |511000|内江市 |511100|乐山市 |511300|南充市 |511400|眉山市 |511500|宜宾市 |511600|广安市 |511700|达州市 |511800|雅安市 |511900|巴中市 |512000|资阳市 |513200|阿坝藏族羌族自治州 |513300|甘孜藏族自治州 |513400|凉山彝族自治州 |520000|贵州省 |520100|贵阳市 |520200|六盘水市 |520300|遵义市 |520400|安顺市 |520500|毕节市 |520600|铜仁市 |522300|黔西南布依族苗族自治州 |522600|黔东南苗族侗族自治州 |522700|黔南布依族苗族自治州 |530000|云南省 |530100|昆明市 |530300|曲靖市 |530400|玉溪市 |530500|保山市 |530600|昭通市 |530700|丽江市 |530800|普洱市 |530900|临沧市 |532300|楚雄彝族自治州 |532500|红河哈尼族彝族自治州 |532600|文山壮族苗族自治州 |532800|西双版纳傣族自治州 |532900|大理白族自治州 |533100|德宏傣族景颇族自治州 |533300|怒江傈僳族自治州 |533400|迪庆藏族自治州 |540000|西藏自治区 |540100|拉萨市 |540200|日喀则市 |540300|昌都市 |540400|林芝市 |540500|山南市 |540600|那曲市 |542500|阿里地区 |610000|陕西省 |610100|西安市 |610200|铜川市 |610300|宝鸡市 |610400|咸阳市 |610500|渭南市 |610600|延安市 |610700|汉中市 |610800|榆林市 |610900|安康市 |611000|商洛市 |620000|甘肃省 |620100|兰州市 |620200|嘉峪关市 |620300|金昌市 |620400|白银市 |620500|天水市 |620600|武威市 |620700|张掖市 |620800|平凉市 |620900|酒泉市 |621000|庆阳市 |621100|定西市 |621200|陇南市 |622900|临夏回族自治州 |623000|甘南藏族自治州 |630000|青海省 |630100|西宁市 |630200|海东市 |632200|海北藏族自治州 |632300|黄南藏族自治州 |632500|海南藏族自治州 |632600|果洛藏族自治州 |632700|玉树藏族自治州 |632800|海西蒙古族藏族自治州 |640000|宁夏回族自治区 |640100|银川市 |640200|石嘴山市 |640300|吴忠市 |640400|固原市 |640500|中卫市 |650000|新疆维吾尔自治区 |650100|乌鲁木齐市 |650200|克拉玛依市 |650400|吐鲁番市 |650500|哈密市 |652300|昌吉回族自治州 |652700|博尔塔拉蒙古自治州 |652800|巴音郭楞蒙古自治州 |652900|阿克苏地区 |653000|克孜勒苏柯尔克孜自治州 |653100|喀什地区 |653200|和田地区 |654000|伊犁哈萨克自治州 |654200|塔城地区 |654300|阿勒泰地区 |659000|自治区直辖县级行政区划

  • 短效代理-企业定制
    2024-09-30

    ## 一、介绍: 企业定制是青果全新推出的一种创新计费模式,基于峰值带宽进行收费。这种模式旨在为企业级用户提供更灵活的解决方案,以满足企业用户在日常运营中对大量IP资源的需求。 特别的,企业定制方案中,支持使用API提取时在1-5分钟内自定义IP存活时长。 **注:**IP的存活周期是从提取到IP的那一刻开始算起的,超过这个时长IP会自动失效释放。 ![qiye](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads%2Fimage%2F2024-10-16%2F104216d14e0ff.png) **更多定制需求**,欢迎[**提交定制信息**](https://www.qg.net/product/customization.html)或与客服直接沟通哦。 ## 二、计费方式: 企业定制套餐,带宽峰值的可选区间是100M-1000M。 IP存活时长为1-5分钟自定义选择,具体的产品套餐价格,请以购买页为准。 ## 三、适用场景: 1. 每天都有大量IP使用需求,带宽峰值可控 2. 企业级特定需求

  • MikroTik CCR1036-8G-2S+EM ROS路由介绍
    2020-07-04

    <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">36核 16G RAM ROS云路由</span></p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">CCR1036-8G-2S+EM是搭载36核Tilera架构CPU的工业级路由器。它配有2个万兆SFP+接口(不含光模块),使得路由转发速度变得更快。多核</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">CPU支持每秒高达41.5 x百万数据包的吞吐量,28Gbit/s的线速转发。</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">CCR1036-8G-2S+EM是1U外壳,可上机柜。它配有2个万兆SFP+接口,8个千兆以太网口,1个串口和一个microUSB接口。此外还配有一块彩色LCD触摸</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">屏。它有两个SODIMM插槽,默认搭配16GB RAM(可升级)。</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">新一代CPU</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●36核</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●1.2GHz /核</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●12 Mbytes on-chip缓存</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●Tile GX架构</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">高性能</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●8 mpps标准转发</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●41.5 mpps fastpath转发(所有端口线速转发)</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●高达28 Gbit/s吞吐量</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">新设计</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●1U架构</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●8千兆以太网口</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●2 万兆SFP+接口</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●彩色LCD触摸屏</p> <p style="margin: 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #404040; font-family: 'Microsoft YaHei', SimHei, sans-serif;">●端口直通CPU</p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;">&nbsp;</p>

  • 开发者指南-如何使用API鉴权
    2024-06-15

    为进一步提高使用代理IP的安全性、保密性,青果为广大开发者用户提供了API鉴权的功能。API鉴权启用后,就需先通过密码或白名单鉴权,才能顺利调用代理IP。 以下介绍如何使用API鉴权: ## 一、启用API鉴权 ①进入青果控制台,选择要设置API鉴权的代理IP业务,点击其右侧的【更多】-【业务设置】-【API鉴权】选项; ![image-20240615171731438](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads%2Fimage%2F2024-06-15%2F171731f4034ca.png) ②点击【启用状态】右侧滑键,即可启用API鉴权功能。 在【鉴权设置】一行,可选择鉴权的方式是密码或白名单,若两者皆✔,则两种方式同时可用。 ![image-20240615171953644](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads%2Fimage%2F2024-06-15%2F1719539cd888a.png) ## 二、设置密码鉴权 若选择密码鉴权方式,那么后续在使用代理IP请求时,都需要携带pwd参数。 如下图该链接缺少pwd参数,会提醒"Api授权不通过,请检查Api鉴权配置"。 ![image-20240615173022792](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads%2Fimage%2F2024-06-15%2F1730220e7265b.png) 加上pwd参数之后,即可顺利执行请求。 ![image-20240615172907689](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads%2Fimage%2F2024-06-15%2F172907d1065a1.png) 请记住,开启密码鉴权方式后,正确的请求地址是:https://share.proxy.qg.net/get?key=请改成您的key&pwd=请改成您的pwd。 ## 三、设置白名单鉴权 若选择白名单鉴权方式,系统将会验证判断--请求IP是否在白名单范围内。 ![image-20240615173356010](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads%2Fimage%2F2024-06-15%2F173356aa19e83.png) 意思是,您在哪个IP地址上进行API请求,就需要把对应IP地址输入到以上框中。这样便可顺利执行请求了。

  • 华硕RS700-E7 RS4-C 服务器 RAID 5 配置
    2020-07-04

    <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 22px; font-weight: bold;">一、三块硬盘配置RAID 5</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 18px; color: #df402a; font-weight: bold;">1、启动按键盘Ctrl+H进入RAID模式</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;">&nbsp;</p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6980d5a4650.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6980d5a4650.png" alt="1.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6980dab8036.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6980dab8036.png" alt="2.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6980df3a88b.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6980df3a88b.png" alt="3.png" /></p> <p style="margin: 10px 0px; 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font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6980edbadcb.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6980edbadcb.png" alt="6.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6980f9ed76c.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6980f9ed76c.png" alt="7.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6980fe50f71.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6980fe50f71.png" alt="8.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b698101c877b.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b698101c877b.png" alt="9.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b69810687d0f.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b69810687d0f.png" alt="10.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b69810fd3c8d.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b69810fd3c8d.png" alt="11.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6981145902e.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6981145902e.png" alt="12.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b698117e0848.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b698117e0848.png" alt="13.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b69811bd642d.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b69811bd642d.png" alt="14.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b698123068f2.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b698123068f2.png" alt="15.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b698126e1cee.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b698126e1cee.png" alt="16.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5; color: #2a303b; font-family: MicrosoftYaHei; font-size: 13.496px;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b69812a452b3.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b69812a452b3.png" alt="17.png" /></p> <p style="margin: 10px 0px; 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padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6977236fe16.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6977236fe16.png" alt="2.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b6977276eeba.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b6977276eeba.png" alt="3.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b69772b428e6.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b69772b428e6.png" alt="4.png" /></p> <p style="margin: 10px 0px; 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padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; color: #df402a;">&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span><span style="padding: 0px; margin: 0px; box-sizing: border-box; color: #df402a; font-weight: bold;">&nbsp; 2、安装火狐浏览器新版本Firefox</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b69778faac54.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b69778faac54.png" alt="6.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5b69779433563.png" src="http://cos.qgvps.com/Uploads/image/2018-08-07/5b69779433563.png" alt="7.png" /></p> <p style="margin: 10px 0px; 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    产品业务

    业务标识

    违规内容

    处理方式

    会员账户

    ting520

    账户行为异常

    账户封停

    会员账户

    ting1000

    账户行为异常

    账户封停

    会员账户

    okokok005

    账户行为异常

    账户封停

    会员账户

    OKOKOK112

    账户行为异常

    账户封停

    会员账户

    okokok556

    账户行为异常

    账户封停

    会员账户

    sukibb12

    账户行为异常

    账户封停

    会员账户

    xiaohuang886

    账户行为异常

    账户封停

    会员账户

    aabc1234

    账户行为异常

    账户封停

    会员账户

    aabc1000

    账户行为异常

    账户封停

    会员账户

    ABCvlp112

    账户行为异常

    账户封停

    会员账户

    ting1003

    账户行为异常

    账户封停

    会员账户

    dari123456

    账户行为异常

    账户封停

    会员账户

    aa757052356

    账户行为异常

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    具体违规信息的类型和判定规则可以查阅:违规事件分类与违规信息类型说明网络安全违规事件等级划分和处罚说明。希望所有用户树立网络安全意识,规范入网行为,掌握安全入网指南,一起营造健康网络生态

     

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  • ARP攻击原理
    2020-07-04

    <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 24px; word-break: break-all;">一、ARP协议</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">ARP(Address Resolution Protocol)地址解析协议,目的是实现IP地址到MAC地址的转换。</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">在计算机间通信的时候,计算机要知道目的计算机是谁(就像我们人交流一样,要知道对方是谁),这中间需要涉及到MAC地址,而MAC是真正的电脑的唯一标识符。</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">为什么需要ARP协议呢?因为在OSI七层模型中,对数据从上到下进行封装发送出去,然后对数据从下到上解包接收,但是上层(网络层)关心的IP地址,下层关心的是MAC地址,这个时候就需要映射IP和MAC。</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;">&nbsp;</p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #0070c0;">ARP之简单请求应答</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;&nbsp;&nbsp;&nbsp;当两台计算机在同一个局域网通信,我们以ping命令为例,该命令使用的ICMP协议</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5d11a6d96a873.png" src="https://cos.qg.net/Uploads/image/2019-06-25/5d11a6d96a873.png" alt="1.png" /></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">PC1依据OSI模型<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffff00;">①</span>依次从上至下对数据进行封装,包括对ICMP Date加IP包头的封装,但是到了封装MAC地址的时候,<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffff00;">②</span>PC1首先查询自己的ARP缓存表,发现没有IP2和他的MAC地址的映射,这个时候MAC数据帧封装失败。我们使用ping命令的时候,是指定PC2的IP2的,计算机是知道目的主机的IP地址,能够完成网络层的数据封装,因为设备通信还需要对方的MAC地址,但是PC1的缓存表里没有,所以在MAC封装的时候填入不了目的MAC地址。</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">那么PC1为了获取PC2的MAC地址,<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffff00;">③</span>PC1要发送询问信息,询问PC2的MAC地址,询问信息包括PC1的IP和MAC地址、PC2的IP地址,这里我们想到一个问题,即使是询问信息,也是需要进行MAC数据帧的封装,那这个询问信息的目的MAC地址填什么呢,规定当目的MAC地址为ff-ff-ff-ff-ff-ff时,就代表这是一个询问信息,也即使后面我要说的<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #0070c0;">广播。</span></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #0070c0;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #000000;">PC2收到这个询问信息后,将这里面的IP1和MAC1(PC1的IP和MAC)添加到本地的ARP缓存表中,然后<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffff00;">④</span>PC2发送应答信息,对数据进行IP和MAC的封装,发送给PC1,因为缓存表里已经有PC1的IP和MAC的映射了呢。<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #0070c0;">这个应答信息包含PC2的IP2和MAC2</span>。PC1收到这个应答信息,理所应当的就获取了PC2的MAC地址,并添加到自己的缓存表中。</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #000000;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">经过这样交互式的一问一答,PC1和PC2都获得了对方的MAC地址,值得注意的是,<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #0070c0;">目的主机先完成ARP缓存,然后才是源主机完成ARP缓存。</span><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;">之后PC1和PC2就可以真正交流了。</span></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #0070c0;">ARP之广播请求单播回应</span><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;"><br style="padding: 0px; margin: 0px; box-sizing: border-box;" /></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;&nbsp;&nbsp;&nbsp;上图面的图解是不完全的ARP协议,因为在局域网里边不会只有两台主机,这里就要考虑如何在局域网众多主机里获得目的主机的MAC。<br style="padding: 0px; margin: 0px; box-sizing: border-box;" /></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5d11a6e28bf2d.png" src="https://cos.qg.net/Uploads/image/2019-06-25/5d11a6e28bf2d.png" alt="2.png" /></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;">&nbsp;</p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">和上面的一样,刚开始PC1并不知道PC2的MAC地址,同样需要发送ARP请求,但是这个局域网里主机很多,怎么唯独获取PC2的MAC呢,<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffff00;">①</span>我们想到和一群陌生人交流一样,可以挨着询问一遍,这就是我们要说的广播,首先PC1广播发送询问信息(信息和上一张图介绍的一样),在这个<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #0070c0;">普通</span>交换机上连接的设备都会受到这个PC1发送的询问信息。<br style="padding: 0px; margin: 0px; box-sizing: border-box;" /></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">接下来<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffff00;">②</span>需要做的是,所有在这个交换机上的设备需要判断此询问信息,如果<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #0070c0;">各自的IP和要询问的IP不一致,<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #000000;">则丢弃,如图PC3、Route均丢弃该询问信息,而对于PC2判断该询问信息发现满足一致的要求,则接受,同样的写入PC1的IP和MAC到自己的ARP映射表中。</span></span></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #000000;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #000000;">最后,<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffff00;">③</span>PC2单播发送应答信息给PC1,告诉PC1自己的IP和MAC地址。</span></p> <hr style="padding: 0px; margin: 0px; box-sizing: border-box;" /> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 24px; word-break: break-all;">二、ARP数据包信息</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #00b0f0;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #00b0f0;">ARP数据的详细信息列表如下</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #00b0f0;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;">&nbsp;</p> <table style="border-collapse: collapse; table-layout: fixed; padding: 0px; margin: 10px 0px; line-height: 1.5; border-top: 1px solid #cccccc; border-left: 1px solid #cccccc;" width="764"> <tbody style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <tr class="firstRow" style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp; &nbsp;Hardware type</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;硬件类型,标识链路层协议</span></td> </tr> <tr style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp; &nbsp;Protocol type</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;协议类型,标识网络层协议</span></td> </tr> <tr style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp; &nbsp;Hardware size&nbsp;</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;硬件地址大小,标识MAC地址长度,这里是6个字节(48<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 16px; word-break: break-all;">bit</span>)</span></td> </tr> <tr style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp; &nbsp;Protocol size</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;协议地址大小,标识IP地址长度,这里是4个字节(32bit)</span></td> </tr> <tr style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp; &nbsp; &nbsp; Opcode</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;操作代码,标识ARP数据包类型,1表示请求,2表示回应</span></td> </tr> <tr style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp;Sender MAC address&nbsp;</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;发送者MAC</span></td> </tr> <tr style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp; Sender IP address</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;发送者IP</span></td> </tr> <tr style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp;Target MAC address</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;目标MAC,此处全0表示在请求</span></td> </tr> <tr style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;"> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="267"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp; &nbsp; Target IP address</span></td> <td style="margin: 0px; padding: 3px 5px; box-sizing: border-box; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; -webkit-font-smoothing: antialiased; max-width: 748px; word-break: break-all;" valign="top" width="570"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;目标IP</span></td> </tr> </tbody> </table> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;">&nbsp;</p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #00b0f0;">ARP请求包</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #00b0f0;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5d11a6eb1512d.png" src="https://cos.qg.net/Uploads/image/2019-06-25/5d11a6eb1512d.png" alt="3.png" /></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all; color: #0070c0;">ARP应答包</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">内容格式和上图相似,不过会有目的地址对应的MAC地址,ARP数据包类型字段为2。</span></p> <hr style="padding: 0px; margin: 0px; box-sizing: border-box;" /> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 24px; word-break: break-all;">三、ARP攻击</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5d11a6f230d72.png" src="https://cos.qg.net/Uploads/image/2019-06-25/5d11a6f230d72.png" alt="4.png" /></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">我们知道,当PC1对PC2正常通信的时候(先别管攻击者PC3),PC2、PC1会先后建立对方的IP和MAC地址的映射(即建立ARP缓存表),同时<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffff00;">对于交换机而言,它也具有记忆功能,会基于源MAC地址建立一个CAM缓存表(记录MAC对应接口的信息),理解为当PC1发送消息至交换机的Port1时,交换机会把源MAC(也就是MAC1)记录下来,添加一条MAC1和Port1的映射,之后交换机可以根据MAC帧的目的MAC进行端口转发<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; background-color: #ffffff;">,这个时候PC3只是处于监听状态,会把PC1的广播丢弃。</span></span></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">正常的PC3会把广播包丢弃,<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all;">同样的PC3可以抓住这一环节的漏洞,把不属于自己的广播包接收,同时回应一个虚假的回应包,告诉PC1我就是PC2</span></span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">(IP2-MAC3),这样PC1会收到两个回应包(一个正确的IP2-MAC2,一个虚假的IP2-MAC3),但是PC1并不知道到底哪个是真的,所以PC1会做出判断,并且<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #0070c0;">判断后到达的为真</span>,那么怎么让虚假的回应包后到达呢,<span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #0070c0;">PC3可以连续不断的发送这样的回应包</span>,总会把哪个正确的回应包覆盖掉。</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">而后PC1会建立IP2-MAC3这样一条ARP缓存条目,以后当PC1给PC2发送信息的时候,PC1依据OSI模型从上至下在网络层给数据封装目的IP为IP2的包头,在链路层通过查询ARP缓存表封装目的MAC为MAC3的数据帧,送至交换机,根据查询CAM表,发现MAC3对应的接口为Port3,就这样把信息交付到了PC3,完成了一次ARP攻击。</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5d11a6fa8cb73.png" src="https://cos.qg.net/Uploads/image/2019-06-25/5d11a6fa8cb73.png" alt="5.png" /></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;">&nbsp;</p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;">&nbsp;</p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">&nbsp;</span></p> <p style="margin: 0px 0px 0.7rem; padding: 0px; box-sizing: border-box; line-height: 1.8; font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif; -webkit-font-smoothing: antialiased; max-width: 100%; word-break: break-all; color: #3d464d; overflow-wrap: break-word;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; -webkit-font-smoothing: antialiased; max-width: 100%; font-size: 20px; word-break: break-all;">如果ARP攻击严重话,会导致同一个局域网(也是同一个广播域)的所有主机的ARP缓存表中都存放着错误的IP和MAC的映射,如上图,每台主机的ARP缓存表中,不论哪个IP,都会映射到攻击者的MAC地址MAC1上,这样该局域网内的所有主机的消息都发送到Hacker的主机上。</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;">&nbsp;</p>

  • Dell R620服务器 配置iDRAC IP地址和WEB远程登陆
    2020-07-03

    <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 22px; font-weight: bold;">一、配置IDRAC 7 &nbsp;远程内网IP地址服务器</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 18px; color: #df402a; font-weight: bold;">1、启动按键盘F2进入BIOS模式</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="1.png" src="http://cos.qgvps.com/Uploads/image/5b6025ea7b118.png" alt="1.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; 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max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5.png" src="http://cos.qgvps.com/Uploads/image/5b602603d0855.png" alt="5.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="6.png" src="http://cos.qgvps.com/Uploads/image/5b60260755211.png" alt="6.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="7.png" src="http://cos.qgvps.com/Uploads/image/5b60260b2d2d4.png" alt="7.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;">&nbsp;</p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 22px; font-weight: bold;">二、WEB远程登陆</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 16px; color: #df402a; font-weight: bold;">条件:</span><span style="padding: 0px; margin: 0px; box-sizing: border-box; color: #df402a; font-weight: bold;">1、自己使用的电脑要安装java 6(jre-6u45-windows-i586)版本或者java 8 (chromeinstall-8u181)</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; color: #df402a;">&nbsp; &nbsp; &nbsp;&nbsp;</span><span style="padding: 0px; margin: 0px; box-sizing: border-box; color: #df402a; font-weight: bold;">2、安装火狐浏览器新版本Firefox</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="8.png" src="http://cos.qgvps.com/Uploads/image/5b602635e87ec.png" alt="8.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="9.png" src="http://cos.qgvps.com/Uploads/image/5b60263c491f9.png" alt="9.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="10.png" src="http://cos.qgvps.com/Uploads/image/5b6026405b5d9.png" alt="10.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;">&nbsp;</p>

  • Dell R410服务器内网远程安装windows 2012 R2 系统
    2020-07-03

    <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 22px; font-weight: bold;">一、内网远程安装操作系统(以windows 2012 R2为例)</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 16px; color: #df402a; font-weight: bold;">条件:1、准备widows 2012 R2 &nbsp; ISO文件</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 16px; color: #df402a; font-weight: bold;">&nbsp; &nbsp; &nbsp; 2、R410服务器与自己使用的电脑在同一个网段</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="1.png" src="http://cos.qgvps.com/Uploads/image/5b5ebe89850d7.png" alt="1.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="2.png" src="http://cos.qgvps.com/Uploads/image/5b5ebe97b0855.png" alt="2.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="3.png" src="http://cos.qgvps.com/Uploads/image/5b5ebea0605d9.png" alt="3.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="4.png" src="http://cos.qgvps.com/Uploads/image/5b5ec5df784d5.png" alt="4.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="5.png" src="http://cos.qgvps.com/Uploads/image/5b5ec64112091.png" alt="5.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="6.png" src="http://cos.qgvps.com/Uploads/image/5b5ec6465338c.png" alt="6.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="7.png" src="http://cos.qgvps.com/Uploads/image/5b5ec64b50636.png" alt="7.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="8.png" src="http://cos.qgvps.com/Uploads/image/5b5ec653f0dce.png" alt="8.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="9.png" src="http://cos.qgvps.com/Uploads/image/5b5ec657ed5e1.png" alt="9.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="10.png" src="http://cos.qgvps.com/Uploads/image/5b5ec65c80ac2.png" alt="10.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="11.png" src="http://cos.qgvps.com/Uploads/image/5b5ec663d3178.png" alt="11.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="12.png" src="http://cos.qgvps.com/Uploads/image/5b5ec7113cf83.png" alt="12.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="13.png" src="http://cos.qgvps.com/Uploads/image/5b5ec71b28f86.png" alt="13.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="14.png" src="http://cos.qgvps.com/Uploads/image/5b5ec71fe02b0.png" alt="14.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="15.png" src="http://cos.qgvps.com/Uploads/image/5b5ec724ee71d.png" alt="15.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="16.png" src="http://cos.qgvps.com/Uploads/image/5b5ec7297a9cc.png" alt="16.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="17.png" src="http://cos.qgvps.com/Uploads/image/5b5ec72fca488.png" alt="17.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 16px; font-weight: bold;">&nbsp; &nbsp;&nbsp;</span><span style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 16px; color: #df402a; font-weight: bold;">关闭防火墙:网络右键属性&mdash;&mdash;windows防火墙&mdash;&mdash;启用或关闭windows防火墙&mdash;&mdash;关闭&mdash;&mdash;确定</span></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="18.png" src="http://cos.qgvps.com/Uploads/image/5b5ec77c6e0c7.png" alt="18.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;"><img style="border: none; max-width: 800px; max-height: 600px; object-fit: contain; object-position: center center; padding: 0px; margin: 0px; box-sizing: border-box; cursor: pointer;" title="19.png" src="http://cos.qgvps.com/Uploads/image/5b5ec784ae7a0.png" alt="19.png" /></p> <p style="margin: 10px 0px; padding: 0px; box-sizing: border-box; line-height: 1.5;">&nbsp;</p>

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