Hi,
As characterized by C. Huitema of Microsoft in
http://www.ietf.org/internet-drafts/draft-ietf-ngtrans-shipworm-05.txt
(IPv6 tunnels through NAT's using UDP), there are basically 4 kinds of
NAT's wrt. how strictly they check the incoming packets to allocated
NAT ports:
--8--
Experience
On Mon, 25 Mar 2002, Harald Welte wrote:
On Mon, Mar 25, 2002 at 02:48:22PM +0200, Pekka Savola wrote:
Hi,
4) Finally, some NAT map the same internal address and port pair to
different external address and port pairs, depending on the address
of the remote host. These NATs are
Pekka Savola wrote:
I take it you don't comment on how
ipchains/ipfwadm NAT does this? That knowledge would also be very much
appreciated as there are still (mostly) 2.2 -kernel boxes around.
The NAT capabilities of Linux-2.2 ipchains is quite limited, only having
masquerade NAT. It maps