Better to add some fault-and-failover:
-o BatchMode=yes -o ServerAliveCountMax=15 -o ServerAliveInterval=300 -o ExitOnForwardFailure=yes
By the way, ssh cannot help binding privileged ports smaller than 1024, only if we remote ssh as root@remotehost (or any UID 0 identity)... safe but inconvenient.
Hi, thanks for the tips. Haven't try this but for binding to lower port, maybe we can use setcap to allow tcpproxy to bind to port < 1024.
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