show ssh tunnels code example

Example 1: list of created ssh port forwarding

% sudo lsof -i -n | egrep '\'
sshd  15767  root  3u  IPv4 147401205   TCP x.x.x.x:22->y.y.y.y:27479 (ESTABLISHED)
sshd  15842  user  3u  IPv4 147401205   TCP x.x.x.x:22->y.y.y.y:27479 (ESTABLISHED)
sshd  15842  user  9u  IPv4 148002889   TCP 127.0.0.1:33999->127.0.0.1:www (ESTABLISHED)
sshd  1396   user  9u  IPv4 148056581   TCP 127.0.0.1:5000 (LISTEN)
sshd  25936  root  3u  IPv4 143971728   TCP *:22 (LISTEN)

Example 2: list of created ssh port forwarding

% sudo lsof -i -n | egrep '\'
ssh  19749  user  3u  IPv4 148088244   TCP x.x.x.x:39689->y.y.y.y:22 (ESTABLISHED)
ssh  19749  user  4u  IPv6 148088282   TCP [::1]:9090 (LISTEN)
ssh  19749  user  5u  IPv4 148088283   TCP 127.0.0.1:9090 (LISTEN)

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Misc Example