iptables 설치시 오류입니다.

iptbles 를 업그레이드 하려고 다운 받은후

make 하니 아래와 같은 에러가 납니다.

Extensions found: IPv4:recent IPv6:esp
cc -O2 -Wall -Wunused -I"/lib/modules/2.6.9-42.0.10.ELsmp/build"/include -Iinclude/ -DIPTABLES_VERSION="1.3.7"  -fPIC -o extensions/libipt_ah_sh.o -c extensions/libipt_ah.c
In file included from /lib/modules/2.6.9-42.0.10.ELsmp/build/include/linux/netfilter_ipv4.h:8,
                 from /lib/modules/2.6.9-42.0.10.ELsmp/build/include/linux/netfilter_ipv4/ip_tables.h:26,
                 from include/libiptc/libiptc.h:6,
                 from include/iptables.h:5,
                 from extensions/libipt_ah.c:8:
/lib/modules/2.6.9-42.0.10.ELsmp/build/include/linux/config.h:6:2: #error including kernel header in userspace; use the glibc headers instead!
make: *** [extensions/libipt_ah_sh.o] 오류 1

해결 방법을 요청합니다..