From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martijn Klingens Subject: Re: Stateful firewalling via IPTABLES fails to track FTP passive connections? Date: Mon, 7 Oct 2002 10:00:51 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <200210071000.51185.mklingens@ism.nl> References: <000a01c26d18$2e24c6c0$0500000a@widgets> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <000a01c26d18$2e24c6c0$0500000a@widgets> Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: netfilter@lists.netfilter.org On Sunday 06 October 2002 11:10, Hubris_1 wrote: > So, my question boils down to this - does IPTables inspect the PASV request > and reply to open the correct FTP data port if using stateful inspection? > Or do you essentially need to open all high-level ports to get passive FTP > working? modprobe ip_conntrack_ftp modprobe ip_nat_ftp should do it. -- Martijn