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From: "Rob Sterenborg" <rob@sterenborg.info>
To: 'Gilles Yue' <gyue@novelgmt.intnet.mu>, netfilter@lists.netfilter.org
Subject: RE: Help on IPTABLES
Date: Thu, 9 Oct 2003 15:54:45 +0200	[thread overview]
Message-ID: <20031009164635.174791B8D7@smtp.ttp.nl> (raw)
In-Reply-To: <83055D4B014C9E478D2F04624B9E82CF39E7D2@noveldc.novelgmt.mu>

> Can somebody explain to me why is when i changed my Chain 
> INPUT Rules from ACCEPT to DROP, i cannot browse the internet 
> despite opening port 80 in the INPUT rule.
...
> Chain INPUT (policy DROP)
> target     prot opt source               destination
> RH-Lokkit-0-50-INPUT  all  --  anywhere             anywhere
> ACCEPT     tcp  --  anywhere             anywhere           
> tcp spt:http
> ACCEPT     udp  --  anywhere             anywhere           
> udp spt:http

Because you used sport. You are trying to reach servers that are
*listening* on port 80/443 so you should use dport (destination = port
80/443). You are most likely not sending from port 80/443.


Gr,
Rob



  reply	other threads:[~2003-10-09 13:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-09 12:24 Help on IPTABLES Gilles Yue
2003-10-09 13:54 ` Rob Sterenborg [this message]
2003-10-14  6:59 ` Joel Newkirk
  -- strict thread matches above, loose matches on Subject: below --
2006-12-16 17:04 Help on Iptables wlagmay
2006-12-16 19:20 ` Pascal Hambourg
2006-12-17 12:08   ` wlagmay
2003-10-14 12:50 Help on IPTABLES Gilles Yue
2003-10-13 12:09 Gilles Yue
2003-10-13 13:23 ` Ralf Spenneberg
2003-10-10  6:43 Gilles Yue
2003-10-09 12:20 info
2003-10-11 14:32 ` Leonardo Rodrigues Magalhães

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