# lsof -i :22 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME systemd 1 root 140u IPv6 22354 0t0 TCP *:ssh (LISTEN) sshd 904 root 3u IPv6 22354 0t0 TCP *:ssh (LISTEN) sshd 905 root 3u IPv6 22354 0t0 TCP *:ssh (LISTEN) sshd 905 root 4u IPv6 18405 0t0 TCP venus2.home:ssh->hydra.home:40926 (ESTABLISHED) sshd 905 root 5u IPv6 18405 0t0 TCP venus2.home:ssh->hydra.home:40926 (ESTABLISHED) sshd 997 scottfk 3u IPv6 22354 0t0 TCP *:ssh (LISTEN) sshd 997 scottfk 4u IPv6 18405 0t0 TCP venus2.home:ssh->hydra.home:40926 (ESTABLISHED) sshd 997 scottfk 5u IPv6 18405 0t0 TCP venus2.home:ssh->hydra.home:40926 (ESTABLISHED)
# lsof -i :22 home:ssh- >hydra. home:40926 (ESTABLISHED) home:ssh- >hydra. home:40926 (ESTABLISHED) home:ssh- >hydra. home:40926 (ESTABLISHED) home:ssh- >hydra. home:40926 (ESTABLISHED)
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
systemd 1 root 140u IPv6 22354 0t0 TCP *:ssh (LISTEN)
sshd 904 root 3u IPv6 22354 0t0 TCP *:ssh (LISTEN)
sshd 905 root 3u IPv6 22354 0t0 TCP *:ssh (LISTEN)
sshd 905 root 4u IPv6 18405 0t0 TCP venus2.
sshd 905 root 5u IPv6 18405 0t0 TCP venus2.
sshd 997 scottfk 3u IPv6 22354 0t0 TCP *:ssh (LISTEN)
sshd 997 scottfk 4u IPv6 18405 0t0 TCP venus2.
sshd 997 scottfk 5u IPv6 18405 0t0 TCP venus2.