> I have downloaded iptables-1.2.9 from netfilter.org and > installed using make and make install commands after > compiling the kernel with network packet filtering > (replaces ipchains) option having value yes Did you patch the kernel with a new Patch-O-Matic (also from the Netfilter website) before you configured/compiled it ? I suppose iptables-1.2.9 requires symbols not yet in an unpatched kernel. > > iptables -A INPUT -s 127.0.0.1 -p icmp -j DROP > > > > i got the following error > > > > /lib/modules/2.4.22/kernel/net/ipv4/netfilter/ip_tables.o: > > unresolved symbol nf_register_sockopt_Rsmp_f5985dce Gr, Rob
