사내 보안 문제 때문에 리눅스박스의 TTL을 조정하려 합니다.

[code]# iptables -t mangle -I OUTPUT -j TTL --ttl-set 4
iptables: No chain/target/match by that name
# tail /var/log/messages
Jul 26 17:43:06 develop modprobe: modprobe: Can't locate module ipt_TTL
Jul 26 19:13:57 develop sshd(pam_unix)[4414]: session closed for user root