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llseek/ssh-reverse-proxy

Created February 7, 2025 05:39
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ssh reverse proxy
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ssh-reverse-proxy
假设有三台机器，网络连接为：外网 <- A <-> B <-> C
假设A的1081端口上运行着一个http代理，想让C通过这个代理访问外网，步骤如下：
1. 在B上设置端口转发，本地端口12345端口收到的请求转发到A的1081端口（需要保持ssh一直运行着）
ssh -v -N -L 12345:ipA:1081 userA@ipA
2. 在B上设置反向隧道，C的23456端口收到的请求转发到B的12345端口（需要保持ssh一直运行着）
ssh -v -N -R 23456:localhost:12345 userC@ipC
3. 在C上设置http_proxy/https_proxy环境变量后即可访问外网
export http_proxy=http://localhost:23456
export https_proxy=http://localhost:23456
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