Cups not advertising printers
Bill Davidsen
davidsen at tmr.com
Sun Apr 4 02:45:11 UTC 2010
Craig White wrote:
> On Sat, 2010-04-03 at 10:19 -0400, Bill Davidsen wrote:
>> I'm installing a new print server, and it's not serving. I've configured the
>> printer, it works locally, but even though I checked "share" the ipp packets are
>> only sent locally. My existing servers are on FC6, and work fine (private net)
>> but the administrative tools for FC12 are totally different.
>>
>> Interestingly, when I try to add a printer, the client doesn't show any network
>> printers and when I try to explicitly look on the server I get a message:
>> It is not possible to get a list of queues from `ps3.tmr.com'
>>
>> Obtaining a list of queues is a CUPS extension to IPP. Network
>> printers do not support it.
>>
>> Firewall is open, sharing enabled, what "security enhancement" do I have to
>> disable this time?
> ----
> other than a firewall, there's nothing that would prevent cups server
> from advertising shared printers except cups configuration itself.
>
> is cups listening? on what ip addresses?
> netstat -an|grep 631
>
Listening yes, advertising, no. After update and a reboot, the cupsd.conf was
rewritten, my two lines telling it to listen on Localhost and the IP of the
external NIC (tweo LISTEN entries in netstat) replaced with one *:631 line in
the config file, and instead of listening one two IPs it now listens and
advertised on *;631 (or 0.0.0.0:631 to netstat).
Thank you for the thoughts, I am saving them in case I see this again, but I
tried a boot off a Live-CD (CF13) and changed the "Localhost" to "*" and
reloaded, and that worked as well.
About 40% of the tips I save in my notes are things that didn't solve the
problem I had at the moment, but were useful against problems I can expect to
have in the future.
THANKS, ALL!
--
Bill Davidsen <davidsen at tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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