As appears vncserver also activates port 5901:- -bash-3.2# netstat -a|grep 580 *.5801 *.* 0 0 49152 0 LISTEN ffffff014b9f7580 stream-ord ffffff014bb12480 00000000 /var/run/hald/dbus-9fQYRGL6mm
-bash-3.2# netstat -a|grep 590 *.5901 *.* 0 0 49152 0 LISTEN Solaris97PVM.5901 192.168.1.7.47087 49640 0 49640 0 ESTABLISHED ffffff014bd62590 stream-ord 00000000 00000000 /var/tmp/orbit-root/linc-3b1-0-48c30efadf528 providing usual vnc connection to SNV97 DomU via 5901 -- This message posted from opensolaris.org
