[svlug] E-mail via proxy & netatalk

Breen Mullins bpm at idiom.com
Tue Aug 20 07:52:38 PDT 2002

On Mon, 2002-08-19 at 22:39, Chris Gippert wrote:
> 2. Netatalk.
> Netatalk allows the Linuxbox to communicate with the Apple computers. It can
> communicate both via Apple talk and TCP/IP. TCP/IP is the faster option. In
> order to connect to the LinuxBox from an Apple I go to the chooser select
> the name of the LinuxBox and connect. Unfortunately this connects using
> Apple talk. To connect via TCP/IP I have to type in the IP address of the
> server. I have posted this question on the Netatalk website and they said it
> was my firewall preventing connection via TCP/IP. I know very little about
> firewalls. I am using whatever is installed by default with RH7.3. The port
> that Netatalk uses to communicate is 548. Is there some easy way to tell the
> Firewall that port 548 is friendly?

RH7.3 will install ipchains by default. Your default configuration
probably rejects most connections.

Edit /etc/sysconfig/ipchains and add a line:

-A input -s 0/0 -d 0/0 548 -p tcp -y -j ACCEPT

near the top of the file, before the line that rejects tcp connections
below port 1024. (I'm letting you figure that part out.)

Then restart ipchains, and you should be able to connect.

HTH --


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