Hi all i have redhat 8.0 and upgraded to latest kernel with the following information Linux inca 2.4.18-24.8.0custom #4 Thu Feb 27 14:14:50 IST 2003 i686 i686 i386 GNU/Linux and patched with string and iptable 1.2.7a when i try to excute the command [root@inca extra]# iptables -I INPUT -m string --string 'cmd.exe' -j QUEUE iptables v1.2.7a: Couldn't load match `string':/usr/local/lib/iptables/libipt_string.so: cannot open shared object file: No such file or directory Try `iptables -h' or 'iptables --help' for more information. --- when i check with modprob its accepting the module what could be the problem thanks hare