iptables -L 하면 에러가 ㅡㅡ;;;

[root@web-hosting1 root]# iptables -L

[root@web-hosting1 root]# iptables -F

둘다 똑같은 에러메세지가 나오네요 ㅡ,.ㅡ;

도와주세요

o/s 커널버전 :  Redhat 2.4.21-4.ELsmp #1 SMP

[에러메세지]

/lib/modules/2.4.21-4.ELsmp/kernel/net/ipv4/netfilter/ip_tables.o: create_module: Permission denied
/lib/modules/2.4.21-4.ELsmp/kernel/net/ipv4/netfilter/ip_tables.o: insmod /lib/modules/2.4.21-4.ELsmp/kernel/net/ipv4/netfilter/ip_tables.o failed
/lib/modules/2.4.21-4.ELsmp/kernel/net/ipv4/netfilter/ip_tables.o: insmod ip_tables failed
iptables v1.2.8: can't initialize iptables table `filter': iptables who? (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.