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
<
http://www.ecst.csuchico.edu/~dranch/LINUX/TrinityOS/cHTML/TrinityOS-c.html>
Firewall (ipchains - I think this is the most comprehensive of all I
have ever seen)
<
http://www.ecst.csuchico.edu/~dranch/LINUX/TrinityOS/cHTML/TrinityOS-c-10.html#ss10.7>
Firewall (iptables - are you using 2.4 kernel - if so check this out...)
<
http://heimdall.asgardsrealm.net/linux/firewall/>
Craig
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