From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Spenneberg Subject: Re: ftp connection tracking Date: 31 Aug 2003 12:48:02 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <1062326882.1607.15.camel@kermit> References: <00eb01c36cc1$b29fa240$020b0b0b@home> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <00eb01c36cc1$b29fa240$020b0b0b@home> 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: David Luyens Cc: Netfilter Am Mit, 2003-08-27 um 19.36 schrieb David Luyens: > Hi,=20 > =20 > When a change the portnumber of my ftp deamon, the connection tracking > of netfilter does not work anymore. > Is it possible to say to netfilter to look at a different port (than > 21) for ftp connections? Yes, see: # modinfo ip_conntrack_ftp filename: =20 /lib/modules/2.4.20-20.9/kernel/net/ipv4/netfilter/ip_conntrack_ftp.o description: author: license: "GPL" parm: ports int array (min =3D 1, max =3D 8) parm: loose int You can define the ports when loading the ip_conntrack_ftp module. 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