Subject: Re: Question about tcp_iss under NetBSD 1.0, 1.0a, 0.9 and 0.9a?
To: Brian Buhrow <>
From: Darren Reed <>
List: tech-kern
Date: 01/25/1995 15:03:29
In some email I received from Brian Buhrow, they wrote:
> 	So, with all of this unrest about TCP sequence numbers, where does 
> NetBSD fall into the picture?  I've looked at netinet/tcp_seq.h or whatever
> it is called, and I can see that tcp_iss is a modular number, but, to be
> quite honest, I don't totally understand the macros used to manipulate it.
> Can someone with more knowledge shed some light on the algorithms used un
> NetBSD 0.9, 0.9a, 1.0 and 1.0A?  It might be that they have only changed
> once, between 0.9a (pre-4.4) and after the inclusion of the 4.4-lite
> networking code.  Anyone care to comment?
> -Brian

Nothing changed with respect to changing how tcp_iss was incremented
between 4.3BSD and 4.4BSD, it would seem.  NetBSD has the same `formula'.