From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laszlo Attila Toth Subject: Re: ftp_conntrack and encrypted FTP Date: Fri, 09 Nov 2007 13:04:47 +0100 Message-ID: <47344CDF.7080008@balabit.hu> References: <47344111.2020005@solutti.com.br> Reply-To: panther@balabit.hu Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <47344111.2020005@solutti.com.br> Sender: netfilter-owner@vger.kernel.org List-Id: Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: =?ISO-8859-1?Q?Leonardo_Rodrigues_Magalh=E3es?= Cc: netfilter ML Leonardo Rodrigues Magalh=E3es wrote: >=20 > Hello Guys, >=20 > I'm having some troubles with encrypted FTP connections. As i coul= d=20 > imagine, conntrack_ftp and nat_ftp are not being able of recognizing = the=20 > correct ports to open because the connection is encrypted and the PAS= V=20 > information is not seen by the modules. >=20 > I dont think so ..... but is there any way of working around this = ?? >=20 Use unencrypted ftp (which is insecure and not recommended) or forget=20 conntrack for this because encrypted channels cannot be on the fly=20 decrypted without the keys used for encryption. --=20 Attila