From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tom Eastep <teastep@shorewall.net>
Subject: Re: HTTP Port forwarding issues
Date: Mon, 08 Jul 2002 12:44:19 -0700
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References: <001f01c226b6$eb0a4f60$6702a8c0@internal.monstersolutions.net>
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To: Big Daddy <bigdaddy@monster-solutions.net>
Cc: netfilter@lists.samba.org

Big Daddy wrote:
> all,
>      for some reason i can get my smtp and pop3 to route from 
> the  internet, but i cannot get http requests to forward correctly.
> 
>  iptables -A FORWARD -p tcp -i eth0 -d $int_ip -p tcp --dport http -m 
> state --state NEW -j ACCEPT
>  iptables -A FORWARD -p tcp -i eth0 -d $int_ip -p tcp --dport smtp -m 
> state --state NEW -j ACCEPT (works)
>  iptables -A FORWARD -p tcp -i eth0 -d $int_ip -p tcp --dport pop3 -m 
> state --state NEW -j ACCEPT (works)
> 
>  iptables -t nat -A PREROUTING -d $ext_ip -p tcp --dport smtp -j DNAT 
> --to-destination $int_smtp:25 (works)
>  iptables -t nat -A PREROUTING -d $ext_ip -p tcp --dport pop3 -j DNAT 
> --to-destination $int_pop3:110 (works)
>  iptables -t nat -A PREROUTING -d $ext_ip -p tcp --dport http -j DNAT 
> --to-destination $int_http:80
> 
>  web server is running IIS5.
> any help would be great!

More than likely your ISP is blocking incoming HTTP requests.

-Tom
-- 
Tom Eastep    \ Shorewall - iptables made easy
AIM: tmeastep  \ http://www.shorewall.net
ICQ: #60745924  \ teastep@shorewall.net