[CentOS] Port 631 closed, not hidden

Thu Nov 22 07:48:04 UTC 2007
Miark <mlist at gardnerbusiness.com>

I have the firewall turned on my CentOS 5 box, but GRC is
reporting that 631 is closed instead of stealthed. If the
firewall isn't configured to allow that, then why might that
be happening?