The graphical login service provides the capability of logging into the system using an X-Windows type interface from the console. If graphical login access for the console is required, the service must be in local-only mode.

Externally accessible graphical desktop software may open the system to remote attacks.

Determine if the X11 server system is providing remote services on the network.

# svcprop -p options/tcp_listen svc:/application/x11/x11-server

If the output of the command is "true" and network access to graphical user login is not required, this is a finding.

The System Administrator profile is required:

Configure the X11 server for local system only graphics access.

# pfexec svccfg -s svc:/application/x11/x11-server setprop options/tcp_listen=false