<h2 id="攻击防护架构介绍" style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: 1.75em; orphans: 3; widows: 3; break-after: avoid; margin-bottom: 0.85em; font-weight: 700; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> 攻击防护架构介绍 </h2> <p style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; orphans: 3; widows: 3; margin-top: 0px; margin-bottom: 0.85em; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> 网站运行,肯定会遇到很多的DDOS、CC攻击,这些攻击一般都是致命的,那么我们有什么办法防护他们呢? </p> <p style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; orphans: 3; widows: 3; margin-top: 0px; margin-bottom: 0.85em; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> 在正式介绍防护前,先说一下前置条件 </p> <p style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; orphans: 3; widows: 3; margin-top: 0px; margin-bottom: 0.85em; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> 1)网站搭建在非国内(香港或者其它海外地区),<span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">需要免备案</span> </p> <p style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; orphans: 3; widows: 3; margin-top: 0px; margin-bottom: 0.85em; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> 2)对速度有一些要求,或者要以<span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">提高网站速度</span>为首要目的的 </p> <p style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; orphans: 3; widows: 3; margin-top: 0px; margin-bottom: 0.85em; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> 3)能<span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">防护DDOS/CC</span>攻击等常见攻击 </p> <p style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; orphans: 3; widows: 3; margin-top: 0px; margin-bottom: 0.85em; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> 下面先一个预览图,基于<span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">免备案</span>情况下讨论下哪种模式比较好 </p> <table style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; border-spacing: 0px; font-size: 16px; break-inside: avoid; margin-top: 0px; margin-bottom: 0.85em; width: 770px; overflow: auto; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> <thead style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit;"> <tr style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; break-inside: avoid; border-top: 1px solid rgb(204, 204, 204);"> <th style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px; border: 1px solid rgb(221, 221, 221); text-align: left;"> 需求/模式 </th> <th style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px; border: 1px solid rgb(221, 221, 221); text-align: left;"> 免备案CDN </th> <th style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px; border: 1px solid rgb(221, 221, 221); text-align: left;"> 商业CDN </th> <th style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px; border: 1px solid rgb(221, 221, 221); text-align: left;"> 软件防护 </th> <th style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px; border: 1px solid rgb(221, 221, 221); text-align: left;"> 自建CDN </th> <th style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px; border: 1px solid rgb(221, 221, 221); text-align: left;"> 多后端负载 </th> <th style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px; border: 1px solid rgb(221, 221, 221); text-align: left;"> 高防服务器 </th> </tr> </thead> <tbody style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit;"> <tr style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; break-inside: avoid; border-top: 1px solid rgb(204, 204, 204);"> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> <span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">速度</span> </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 较差 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 一般 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 无变化 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> √较好 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 无变化 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 较慢 </td> </tr> <tr style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; break-inside: avoid; background-color: rgb(248, 248, 248); border-top: 1px solid rgb(204, 204, 204);"> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> <span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">DDOS防护</span> </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 无防护 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 一般 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> √极好 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 宕机切换 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 宕机切换 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 较好,但有上线 </td> </tr> <tr style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; break-inside: avoid; border-top: 1px solid rgb(204, 204, 204);"> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> <span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">CC防护</span> </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 无防护 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 一般 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 好 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> √较好 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 好 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 自己部署 </td> </tr> <tr style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; break-inside: avoid; background-color: rgb(248, 248, 248); border-top: 1px solid rgb(204, 204, 204);"> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> <span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">人工维护</span> </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 不需要 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 不需要 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 一般 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 一般 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 极高 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 一般 </td> </tr> <tr style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; break-inside: avoid; border-top: 1px solid rgb(204, 204, 204);"> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> <span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">支出成本</span> </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 不需要 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 极高 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 不需要 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 一般 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 一般 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 较高 </td> </tr> <tr style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; break-inside: avoid; background-color: rgb(248, 248, 248); border-top: 1px solid rgb(204, 204, 204);"> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> <span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">弊端</span> </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 速度防护跟不上 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 速度慢、价高 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 无法防护DDOS </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 自购机器 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 自购机器+配置复杂 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 速度跟不上 </td> </tr> <tr style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; break-inside: avoid; border-top: 1px solid rgb(204, 204, 204);"> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> <span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">说明</span> </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 不推荐 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 不推荐 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 无ddos可以考虑 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 极力推荐 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 配置维护难度大 </td> <td style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit; padding: 6px 13px;"> 速度、价格都有压力 </td> </tr> </tbody> </table> <p style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; orphans: 3; widows: 3; margin-top: 0px; margin-bottom: 0.85em; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> <span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">免费CDN:</span>免备案的话,国内商家基本没选择了,并且速度都不咋的<br style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit;"/><span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">商业CDN:</span>一般说高防的都是采用美国/法国的服务器,国内访问速度不忍直视,并且费用都是添加,都是上千一个月,并且都是有流量限制<br style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit;"/><span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">软件防护:</span>可以防护大部分的CC,但是无法防护DDOS<br style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit;"/><span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">高防服务器:</span>可以抵御大部分的DDOS,但是有防御上限,现在几块钱一次的DDOS轻松打出上百G的。并且这类防护都是美国/法国的,访问速度极慢,并且价格不菲<br style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit;"/><span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">自建CDN:</span>购买香港日本等访问较快的服务器部署作为主节点,在没攻击时候访问极快。再备用一台高防服务器,攻击自动切换高防服务器,保证打不死(速度会慢不少),并且根据自己需求,随时增加/较少加速节点<br style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: inherit;"/><span style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-weight: 700; font-size: inherit;">多后端负载:</span>就是用多台服务器同时运行源码,配置与维护都比较困难,这里不再展开了,需要非常熟手运维才能驾驭。 </p> <h3 id="针对于自建cdn模式,大致原理如下图" style="-webkit-tap-highlight-color: transparent; text-size-adjust: none; -webkit-font-smoothing: antialiased; font-size: 1.5em; orphans: 3; widows: 3; break-after: avoid; margin-top: 1.275em; margin-bottom: 0.85em; font-weight: 700; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; letter-spacing: 0.2px;"> 针对于自建CDN模式,大致原理如下图 ![](https://box.kancloud.cn/41b04dd7dbd6c939fea61caed16d8628_1430x1006.jpg)