https://answer.freetools.me/tags/%E5%8D%8F%E8%AE%AE%E5%88%86%E6%9E%90/ Recent content in 协议分析 on Answer Hugo -- 0.152.2 zh-cn Wed, 04 Mar 2026 13:28:20 +0800 https://answer.freetools.me/%E4%BD%A0%E7%9A%84ssh%E8%BF%9E%E6%8E%A5%E4%B8%BA%E4%BB%80%E4%B9%88%E6%80%BB%E6%98%AF%E5%9C%A8%E5%85%B3%E9%94%AE%E6%97%B6%E5%88%BB%E6%96%AD%E5%BC%80%E4%BB%8Etcp%E4%BF%9D%E6%B4%BB%E6%9C%BA%E5%88%B6%E5%88%B0nat%E8%B6%85%E6%97%B6%E7%9A%84%E5%AE%8C%E6%95%B4%E7%94%9F%E5%AD%98%E6%8C%87%E5%8D%97/ Wed, 04 Mar 2026 13:28:20 +0800 https://answer.freetools.me/%E4%BD%A0%E7%9A%84ssh%E8%BF%9E%E6%8E%A5%E4%B8%BA%E4%BB%80%E4%B9%88%E6%80%BB%E6%98%AF%E5%9C%A8%E5%85%B3%E9%94%AE%E6%97%B6%E5%88%BB%E6%96%AD%E5%BC%80%E4%BB%8Etcp%E4%BF%9D%E6%B4%BB%E6%9C%BA%E5%88%B6%E5%88%B0nat%E8%B6%85%E6%97%B6%E7%9A%84%E5%AE%8C%E6%95%B4%E7%94%9F%E5%AD%98%E6%8C%87%E5%8D%97/ 深度解析SSH连接断开的底层原因：TCP保活机制默认两小时间隔无法应对NAT设备的短超时。从协议层到应用层，全面对比ServerAliveInterval与TCPKeepAlive的区别，提供生产环境可用的配置方案与进阶解决方案。