just re-read your original post. if you're trying to *change* the TTL of packets traversing your firewall--you need the TTL patch from patch-o-matic, which will enable a "-j TTL" target in the MANGLE table. sorry for the confusion. -j -----Original Message----- From: netfilter-admin@xxxxxxxxxxxxxxxxxxx [mailto:netfilter-admin@xxxxxxxxxxxxxxxxxxx]On Behalf Of Gonzalez, Federico Sent: Friday, July 23, 2004 1:52 PM To: netfilter@xxxxxxxxxxxxxxxxxxx Subject: TTL target Hi, I have iptables 1.2.9, red hat kernel 2.4.22 and i need to use the TTL target to change the packets TTL. How do i enable this functionality ? Thank you.