From mboxrd@z Thu Jan 1 00:00:00 1970 From: Askar Ali Khan Subject: Re: ftp access problem Date: Sat, 24 Jul 2004 16:45:46 +0500 Sender: netfilter-admin@lists.netfilter.org Message-ID: References: <200407241122.16298.Antony@Soft-Solutions.co.uk> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200407241122.16298.Antony@Soft-Solutions.co.uk> 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 Hi Anthony, On Sat, 24 Jul 2004 11:22:16 +0100, Antony Stone wrote: > On Saturday 24 July 2004 11:05 am, Askar Ali Khan wrote: > > > Hi > > > > On my router/firewall which acting i am getting problem while anyone > > tries to connect to ftp server he connected successfully however when > > he types and command for example "ls" ftp server return error "500 > > Illegal PORT range rejected" > > Everything else is working fine. > > I see you are doing NAT on this firewall. Do you have the nat_ftp support > module loaded or compiled in to your kernel? > > Without that module, netfilter will not see the PORT commands in the FTP > packets, and will not know what to do with the data connection on port 20 > associated with the control connection onn port 21. #modprobe nat_ftp modprobe: Can't locate module nat_ftp I modprobe for nat_ftp on my route/firewall "slackware 2.4.26" and also on another machine FC1 and both return the same thing. what to do now? May I have to go for kernel compilation? :( Also pls check these echos and I will greatly appreciate if you explain the usage of this echos becuase i copied it from somewhere else :D echo 1 > /proc/sys/net/ipv4/ip_dynaddr echo 1 > /proc/sys/net/ipv4/ip_forward echo 1 > /proc/sys/net/ipv4/conf/all/proxy_arp echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts echo 0 > /proc/sys/net/ipv4/conf/all/accept_source_route echo 0 > /proc/sys/net/ipv4/conf/all/accept_redirects > > Regards, > > Antony. > > -- > "The joy of X!!?? I've always hated compiling graphical shite. You have a 10 > line program, and it ends up depending on the entire known universe." > > - Philip Hands > > Please reply to the list; > please don't CC me. > >