[CentOS] Cannot open port 631 for Cups printer sharing

Mon Mar 2 16:37:03 UTC 2009
JohnS <jses27 at gmail.com>

On Mon, 2009-03-02 at 11:20 -0500, b.j. mcclure wrote:
> I have been trying to set up printer sharing on the LAN.All machines are
> CentOS 5.2 fully updated. The problem server is a fresh build.  The box
> it is replacing worked fine for many months.
> The problem appears to be a closed port 631 on the new box.  iptables
> and ip6tables are stopped as shown by the output below.  To confirm I
> was using nmap correctly I ran it against the old server first which
> shows 631 open.  No matter what I do to the new box ( 631
> remains closed.  I was running it on the new box via ssh which I think
> eleminates any swithc/router issues.
> Any thoughts gladly accepted.  This must be something simple/stupid I
> have overlooked.  Not much hair left to pull out. ;-/

Do you have the Cups Service running? service cups status and service
hplip status.