ssh 端口转发

本地端口转发

本地 3000 端口流量转发到远程

-L 本地网卡地址:本地端口:目标地址:目标端口
ssh -L 3000:localhost:3000 root@server

远程端口转发

远程 3000 端口流量转发到本地

-R 远程网卡地址:远程端口:目标地址:目标端口
ssh -R 2000:192.168.3.200:3000 root@server

动态端口转发

本地 3000 端口流量转发到服务器对应端口

-D 本地网卡地址:本地端口
ssh -D localhost:3000 root@server

参数：

-q :- be very quite, we are  acting only as a tunnel.
-T :- Do not allocate a pseudo tty, we are  only acting a tunnel.
-f :- move the ssh process to background, as  we don’t want to interact with this ssh session directly.
-N :- Do  not execute remote command.
-n :- redirect standard input to  /dev/null.