changing ttl size of forwarding packet

[Chuck Swiger]

On Jul 24, 2007, at 10:46 AM, Samit wrote:
> iptables can easily do it via mangle table. Is there any way using  
> ipfw2
> to change the ttl size of the forwarding packets?

The size of the TTL field is fixed by the IP protocol to 1 byte;  
perhaps you are looking for the IPFW transparent firewall option,  
which prevents it from decrementing the TTL in order to make a  
"hidden" firewall...?

-- 
-Chuck