varun_saa@xxxxxxxx schrieb: >Thanks Jorg, > I get the following for lsmod : > >[root@squidserver ~]# lsmod | grep conntrack >ip_conntrack 41497 3 ipt_state,ipt_MASQUERADE,iptable_nat > >So how do I add : > > ip_conntrack_ftp > ipt_conntrack > >And yes it is : > -A FORWARD -j DROP > > > modprobe ip_conntrack_ftp If you get an error message, you probably have to reconfigure the kernel. May I suggest reading some basic Linux tutorial ? You can find tuts e.g. on http://debian.org and most likely on the home page of your distribution. Have a nice time and happy reading, Joerg