From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Subject: Re: RES: IPtables settings to access a backup FTP Date: Sat, 18 Aug 2007 22:12:35 +0200 Message-ID: <46C752B3.9040709@ghz.fr> References: <01ab01c7e1cc$7389d7e0$150aa8c0@station21> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <01ab01c7e1cc$7389d7e0$150aa8c0@station21> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: Patrik , netfilter@lists.netfilter.org Hi I've juste tried it and same result as before ... Maybe something to do with my server not having a eth1 ... ? Patrik a =E9crit : > Richard, try to use=20 >=20 > # iptables -A FORWARD -i eth0 -o eth1 -p tcp --syn --dport 21 -j ACCEP= T=20 >=20 > I think that=B4s solve >=20 >=20 > Chorus Informatica=20 > Patrik Souza - Diretor=20 > Fone: 11 5621-6177 > Mobile: 11 8154-0794 > =20 > A informa=E7=E3o contida nesta mensagem =E9 confidencial. =C9 destinada= somente para > uso do(s) indiv=EDduo(s) e/ou entidade(s) para os quais foi endere=E7ad= a. Se > voc=EA n=E3o =E9 o destinat=E1rio pretendido, fica desde j=E1 notificad= o de que > qualquer revela=E7=E3o, c=F3pia, dissemina=E7=E3o ou uso desta mensagem= ou das > informa=E7=F5es nela contidas =E9 estritamente proibido. Se voc=EA rece= beu esta > mensagem erroneamente, por favor, notifique-nos por correio eletr=F4nic= o e > apague-a do seu sistema. / The information contained in this message is > confidential. It is intended solely for the use of the individual(s) an= d/or > entity (ies) addressed above. If you are not the intended recipient, yo= u are > hereby notified that any disclosure, copying, dissemination or using th= is > message or the information contained herein is strictly prohibited. If = you > have received this message in error, please notify us by electronic mai= l and > please delete the message from your system. > =20 > -----Mensagem original----- > De: netfilter-bounces@lists.netfilter.org > [mailto:netfilter-bounces@lists.netfilter.org] Em nome de Richard > Enviada em: s=E1bado, 18 de agosto de 2007 16:09 > Para: netfilter@lists.netfilter.org > Assunto: IPtables settings to access a backup FTP >=20 > Hello, this is my first message so I hope I'm doing this right ! :) >=20 > I've got iptables setup and running well on my server and up to now I'v= e=20 > not had any problems, however I have just installed a backup system=20 > which needs to connect by FTP to a distant server. >=20 > With my firewall disactivated all works fine, however with the firewall= =20 > activated when I use the "ls" command of the debian ftp command line=20 > package (CWD) I get: >=20 > 200 ok then a long wait then : > 421 Service not available, remote server has closed connection. >=20 > I've tried this on two different FTP's and it only works if the firewal= l=20 > is disactivated. >=20 > One server is a plesk server but the server I need to connect to I do=20 > not know much about, with filezilla on my pc I've managed to connect to= =20 > it with both FTP active and FTP passive so I guess it can do both. >=20 > On my server I just do : >=20 > ftp ftp.server.com > username > password >=20 > So I'm not sure if it connects as passive or active. >=20 > These are the ports that I have got open : >=20 > -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT > -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT >=20 > -A INPUT -p tcp -m tcp --dport 20 -j ACCEPT > -A INPUT -p tcp -m tcp --dport 21 -j ACCEPT >=20 > -A OUTPUT -p tcp -m tcp --dport 20 -j ACCEPT > -A OUTPUT -p tcp -m tcp --dport 21 -j ACCEPT >=20 > Which ports do you suggest I should open to connect to this FTP server = ? >=20 > Thanks in advance, >=20 > Richard >=20 >=20 >=20