Dear all i have upgraded kernel 2.4.20 to kernel 2.6.1 and i have same problem with 2.6.0 kernel as well OS Redhat module-init-tools 0.9.13 but i am iptables stop working its was iptables-1.2.7 then i upgraded to iptables to 1.2.9 ( lastest ) still same problem error message i get iptables v1.2.9:can't initialize iptables table 'filter' iptables who? (do you need to insmod) Perhaps iptables or kernel needs to be upgraded. i aslo get these kind of errors when compiling iptables-1.2.9 /usr/src/linux-2.6.1/include/linux/compiler-gcc3.h:22:1 warning ""__attribute_pure__" redefined In file included from /usr/include/feature.h:291 from /usr/include/stdio.h:28 from extensions/libipt_conntrack.c:5 /usr/include/sys/cdefs.h:183 warning this the location of the prevoius definiation ########################################### Plz help me urgently THANKS AND Regards TALHA