changing ttl size of forwarding packet

[Samit]

Chuck Swiger wrote:
> 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...?
> 
The other way round,want to lower the TTL as much as I want, as soon as
it passes my firewall.

Samit