服务器安全防护总论: Revision history

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14 July 2026

13 July 2026

  • curprev 23:3923:39, 13 July 2026 Mwroot talk contribs 13,018 bytes +13,018 Created page with "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。 == 观察连接现场：ss 与..."
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