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 917/cupsd
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 917/cupsd
udp 0 0 0.0.0.0:68 0.0.0.0:* 0 416743 6012/dhclient
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 728/avahi-daemon: r
udp 0 0 0.0.0.0:45812 0.0.0.0:* 104 3996 728/avahi-daemon: r