Julian M Catchen wrote: > > All, > > I hoping for some advice regarding my COX networking setup. Here is what I > currently have: > > @Home Network > | > | > SB3100 Cable Modem > | > | > (24.14.xx.xx) > shingletowngap.org (dyn dns) > Debian Linux doing IPMASQ and PORTFW > and firewall > (192.168.0.1) > | > +---------------+---------------+ > | | | > Suse Debain | > Linux Linux | > (192.168.0.2) (192.168.0.4) (192.168.0.3) > | > postfix > apache > > I have some forwarding rules set up to forward port 80 and > port 25 to the mail/webserving machine. The other machines > are just my development box and my girlfriend's laptop. > > The problem I am having is that when I want to send mail > to a mailman list on the mail server from the SuSE box, > I get "Connection Timed Out" errors. If I send a mail from > some external machine, it gets routed to the mailman > program and it goes out onto the mailing list as expected. > > The same happens with web browsing. If I want to look at > the sites on the webserver from my SuSE box, the connection > just times out. But if I look at them from some external > computer (say from work) then it works fine. > > Does anyone have any idea what I am doing wrong with the > network setup? > > Thanks in advance, > > julian > ------------------- How to configure ipchains or iptables for Masq'ing internal network access thru firewall/gateway First a reference to the General Linux configuration stuff Firewall (ipchains - I think this is the most comprehensive of all I have ever seen) Firewall (iptables - are you using 2.4 kernel - if so check this out...) Craig