vnc-800x600     stream  tcp     nowait  nobody  /usr/sbin/tcpd  /usr/bin/Xvnc :20 -inetd -query localhost -geometry 800x600 -depth 24 -once
# securitytypes=none this only needed on readhat systems
vnc-1024x768    stream  tcp     nowait  nobody  /usr/sbin/tcpd  /usr/bin/Xvnc :21 -inetd -query localhost -geometry 1024x768 -depth 24 -once

vnc-1000x700    stream  tcp     nowait  nobody  /usr/sbin/tcpd  /usr/bin/Xvnc :22 -inetd -query localhost -geometry 1000x700 -depth 24 -once

# /etc/services

vnc-800x600 5900/tcp
vnc-1024x768 5901/tcp
vnc-1000x700 5902/tcp