Re: current TCP/IP ECN status

["Angelos D. Keromytis" <angelos@coredump.keromytis.com>]

In message <20010601131109.9929FA5AB81@www.topmail.de>, mirabilos writes:
>Sirs,
>as you might know there have been many issues about ECN in the past,
>particularily about linux servers switching it on and broken firewalls
>blocking it.
>Because it now might become a standard I ask whether OpenBSD supports
>ECN, and in what state (e.g. on by default but off by syscall etc.).

OpenBSD does not generate or use the ECN bit, except when doing IP-in-IP
tunneling (where it is propagated between the inner and outer header).
-Angelos