https://qingliezhiquan.com/index.php?action=history&feed=atom&title=Test_wikitext 2026-07-19T20:46:24Z Revision history for this page on the wiki MediaWiki 1.42.3 https://qingliezhiquan.com/index.php?title=Test_wikitext&diff=11352&oldid=prev 2026-07-13T15:32:52Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 23:32, 13 July 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">网站突然变慢、无法访问，或者重启 Apache 后立即恢复，可能不是带宽已经耗尽，而是大量 TCP 连接占用了 Apache 的进程、线程或连接队列。排查这类问题时，只需先建立一个简单框架：ss 负责观察连接，ipset 负责保存 IP 名单，iptables 负责决定放行或丢弃，connlimit 限制一个 IP 同时占用的连接数，hashlimit 限制一个 IP 建立新连接的速度。</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== 观察连接现场：ss 与 watch ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== 观察连接现场：ss 与 watch ==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <!-- diff cache key selfmoney_wiki:diff:1.41:old-11351:rev-11352:php=table --> </table>

Mwroot https://qingliezhiquan.com/index.php?title=Test_wikitext&diff=11351&oldid=prev 2026-07-13T15:32:35Z

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Mwroot https://qingliezhiquan.com/index.php?title=Test_wikitext&diff=11350&oldid=prev 2026-07-13T15:22:54Z

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Mwroot https://qingliezhiquan.com/index.php?title=Test_wikitext&diff=11349&oldid=prev 2026-07-13T15:15:35Z

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Mwroot https://qingliezhiquan.com/index.php?title=Test_wikitext&diff=11348&oldid=prev 2026-07-13T15:06:48Z

<p>Created page with &quot;== 总框架 == 排查网站被骚扰、连接占满或访问困难时，应当先区分五个层级： {| class=&quot;wikitable&quot; ! 层级 ! 观察对象 ! 主要工具 | ! 解决的问题 | | ------------------------------------ | | 上游网络 | | 总带宽、分布式 DDoS | | 云厂商、CDN、WAF | | 流量是否已经在到达服务器之前堵塞线路...&quot;</p> <a href="//qingliezhiquan.com/index.php?title=Test_wikitext&amp;diff=11348">Show changes</a>

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