I have setup a debian 3.0 server functioning as a gateway, router, **IMAP SERVER**, and firewall. It connects to the internet via a DSL ppp0 connection and to the internal network through eth1.
Being an absolute beginner, I've set up shorewall with a basic configuration suggested in the net. Since then the imap connection from client to server isn't working any longer (the server collects mail from the internet; the mail is read by clients by means of imap).
How should I configure shorewall to make the imap server work again (the imap traffic is between server's eth1 interface and client eth0 interface)?
Step by step instructions will be highly appreciated.
Ciao
Vittorio
Vittorio,
These are the lines I have in my /etc/shorewall/rules file:
ACCEPT net $FW tcp 993 ACCEPT loc $FW tcp 993
These are for imaps (IMAP over SSL). For imap2 open port 143, and for imap3 port 220.
My setup is this:
(eth1) (eth0) local <---------> FW Box <------------> net
Hope this helps,
-Roberto
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