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@xxxxxxxxxxxxx> 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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