> 4. compile and install kernel with all options of iptables sets > to M (module) Missing a reboot step here? > so, now when i trying to # modprobe ipt_connlimit i get: > [root@test /]# modprobe ipt_connlimit > /lib/modules/2.4.24/kernel/net/ipv4/netfilter/ipt_connlimit.o: > unresolved symbol ip_conntrack_find_get Also try depmod -e -F /<path>/System.map and see if you still get the same problem.