new feature w/ patch

[Kevin Steves]

On Wed, 9 Jan 2002, Dan Astoorian wrote:
:In case anyone was wondering, when -L gets changed to accept the syntax
:"-L listenaddr:listenport:targethost:targetport", the "listenaddr" part
:will be optional, so the change should be backward compatible with the
:current -L syntax.  The syntax for -R and -D should get similarly
:extended (although existing servers may not do the expected thing when a
:listenaddr is provided with -R).

we might also consider deprecating the "port host:port" form in
LocalForward and RemoteForward in favor of the same form as -L/R.