Subject: Re: TCP MD5 connections get stuck with IPV6 mapped listener

From: John Dykstra <[email-masked]>
Date: Wed, 15 Jul 2009 14:43:05 -0500

On Wed, 2009-07-15 at 12:11 -0700, Stephen Hemminger wrote:
> While investigating some TCP MD5 issues, with BGP, broke things
> up into a simple test program found that
> if server is listening on IPV6 for TCP with MD5 key
> and client connects with IPV4 MD5 key, the connection gets stuck after
> the initial SYN-SENT, SYN-ACK.

Just cause I've been burned recently....

Which kernel did you reproduce this on, and have you tried 2.6.31-rcx?

  --  John