From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Spenneberg Subject: Re: Server can't send :-/ Date: 03 Sep 2003 15:43:20 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <1062596599.18242.19.camel@kermit> References: <002b01c371ee$db4b0db0$0000fea9@kessler.local> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <002b01c371ee$db4b0db0$0000fea9@kessler.local> Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="iso-8859-1" To: Stephan Kessler Cc: Netfilter Am Mit, 2003-09-03 um 09.41 schrieb Stephan Kessler: > Hi List, >=20 > I got that Configuration of my Firewall: > http://warpy.yomeganet.biz/fw.txt >=20 > It seemed to be nice, everything worked but then i tried to initiate > outbound Traffic from my Server via SSH. The result: I can't establish > any connection from my to an another, except DNS (via UDP?). What did i > wrong? I suspect your machine is warpy.yomeganet.biz. The last input rule drops all incoming tcp-traffic. You a just accepting traffic going to 22,80,21,20,etc. Since I do not actually understand your ruleset, you just might want to insert the following rule before this DROP rule=20 iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT Cheers, Ralf --=20 Ralf Spenneberg RHCE, RHCX Book: Intrusion Detection f=FCr Linux Server http://www.spenneberg.com IPsec-Howto http://www.ipsec-howto.org Honeynet Project Mirror: http://honeynet.spenneberg.org