[CentOS] Port 631 closed, not hidden

Christopher Chan christopher at ias.com.hk
Fri Nov 23 02:17:27 UTC 2007

Ignacio Vazquez-Abrams wrote:
> On Thu, 2007-11-22 at 02:48 -0500, Miark wrote:
>> 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?
> The cups service opens port 631, regardless of your firewall settings.
> It then manually accepts or rejects connections.

Yes but the firewall does affect whether packets can reach the cups 
service or not.

More information about the CentOS mailing list