localhost translates into 127.0.0.1 so the daemon listens only to this locally available address. Adding the LAN address makes the daemon available for connections from LAN.
Sent from my iPhone
On 17.04.2009, at 12:43, Niki Kovacs contact@kikinovak.net wrote:
Hi,
I've been setting up a few printer servers with CUPS. Our public libraries here all run 100% Linux (CentOS 5), so what I do is simply install the printer on one of the machines (with a static IP) and then configure CUPS so it can act as a printer server for Linux clients.
It took me some time to figure this out, and I remember pulling my hair out for a few sunny afternoons, but I eventually got it working. One thing kept me stuck for days, until I finally found the answer on debian-administration.org.
My server machine has an IP of 192.168.1.252/255.255.255.0. There's a Brother laser printer attached to it. The CUPS configuration file is edited so machines on the 192.168.1.* network can use it, and I can also access the CUPS web interface from anywhere. But here's what puzzles me.
In the default cupsd.conf configuration file the 'Listen' directive looks like this:
# Only listen for connections from the local machine. Listen localhost:631 Listen /var/run/cups/cups.sock
Here's the oddity: I *have* to specifically add the machine's IP, like this:
Listen localhost:631 Listen 192.168.1.252 Listen /var/run/cups/cups.sock
If I don't add this, machines on the network are unable to connect to the server.
Can anybody explain this strange behaviour to me?
Cheers,
Niki
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