(Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State User Inode PID/Program name tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 0 4449 - tcp 0 0 0.0.0.0:17500 0.0.0.0:* LISTEN 1000 8599 1291/dropbox tcp6 0 0 ::1:631 :::* LISTEN 0 4448 - udp 0 0 0.0.0.0:68 0.0.0.0:* 0 416743 - udp 0 0 0.0.0.0:17500 0.0.0.0:* 1000 8595 1291/dropbox udp 0 0 0.0.0.0:5353 0.0.0.0:* 104 3995 - udp 0 0 0.0.0.0:45812 0.0.0.0:* 104 3996 -