On Fri, 17 Sep 1999, vianney rancurel wrote:

: A---->B---->C
: 
: A is an internal host, B is a NetBSD box with two NICs, C is the destination hos
: t. A has got a default route to B. He wants to "telnet" C. He just send packets 
: following routing table and B "hijacks" the connection. C sees B making the conn
: ection but A believes is directling talking to C.

This is called NAT.  See ipnat(4).

-- 
-- Todd Vierling (tv@pobox.com)