Re: Externally transparent routing

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Jul 24 2001 - 12:56:48 EST


> To prevent my NAT-box from showing up on traceroutes I'd like to let it
> route without decreasing the TTL. I was told that proxy arp also archieves

And what happens if you get a routing loop ?

A NAT box really does need to drop the TTL. Nothing stops you giving it a
more bizarre name, or indeed you can do what a few folks have found
excruciatingly funny to do to tracerouters which is to spoof totally bogus
icmp unreachables so they see crazy paths
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