does anyone knows about this, i am trying to compile iptables on slack 9.1, with 2.4.24 kernel version, here are the error message whe i run make: iptables.c:238: `IPPROTO_SCTP' undeclared here (not in a function) iptables.c:238: initializer element is not constant iptables.c:238: (near initialization for `chain_protos[5].num') iptables.c:238: initializer element is not constant iptables.c:238: (near initialization for `chain_protos[5]') iptables.c:239: initializer element is not constant iptables.c:239: (near initialization for `chain_protos[6]') make: *** [iptables.o] Error 1 cheers. julius.