Subject: Re: Why does CB_* require a return path?

From: Jim Rees <[email-masked]>
Date: Thu, 30 May 2002 15:09:25 -0400

And it would be so easy to fix, for example by specifying that the reserved
r_addr "--SOURCE--" means that callbacks should go back to the source.  It's
one thing to say that callbacks aren't required for proper operation, but to
prohibit their use from behind a nat is a shame.