[CentOS] Cannot open port 631 for Cups printer sharing

JohnS jses27 at gmail.com
Mon Mar 2 20:32:22 UTC 2009


On Mon, 2009-03-02 at 11:56 -0800, Scott Silva wrote:
> on 3-2-2009 11:22 AM JohnS spake the following:
> > On Mon, 2009-03-02 at 11:14 -0800, Scott Silva wrote:
> >> on 3-2-2009 8:20 AM b.j. mcclure spake the following:
> >>> 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 (192.168.2.205) 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. ;-/
> >>>
> >>
> >> Cups defaults to only being open on localhost. You have to edit the config
> >> file to open more up.
> > Qouted by me earlier:
> >> Interesting that when the local host address is used the port is open:
> >> [root at rwells-rh legacydp]# nmap -sT -p 631 -PT 127.0.0.1
> > """It is configured by default to it has to be changed"""  # Maybe they
> > did not understand my wording of it? Should have said It has to be
> > changed for networking.
> > Posted a working networkable config also and linked the cups site also
> > JohnStanley
> Yeah... I saw your postings, but they were further down the thread as I was
> catching up this morning. Unfortunately, I had already sent my "2 cents"
> before I got down that far.

No Problem :-)



More information about the CentOS mailing list