Re: [PATCH] ipv4: icmp: Fix pMTU handling for rare case

[David Miller]

From: Edward Allcutt <edward.allcutt@xxxxxxxxxxxxxx>
Date: Mon, 30 Jun 2014 16:16:02 +0100

> This is explicitly described as an eventuality that hosts must deal
> with by the standard (RFC 1191) since older standards specified that
> those bits must be zero.
 ...
> One example I have seen is an OpenBSD router terminating IPSec
> tunnels.

Why doesn't OpenBSD implement RFC 1191?

That's a nearly 24 year old standard.

I really don't want to allow for zero values.
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