Re: ICMP REDIRECTs

Martin Mares (mj@k332.feld.cvut.cz)
Wed, 17 Apr 1996 11:23:30 +0200 (MET DST)

Forwarded message:
Subject: Re: ICMP REDIRECTs
To: alan@lxorguk.ukuu.org.uk (Alan Cox)
Date: Wed, 17 Apr 1996 11:22:56 +0200 (MET DST)
In-Reply-To: <m0u9B3N-0005FYC@lightning.swansea.linux.org.uk> from "Alan Cox" at Apr 16, 96 02:44:21 pm
X-Mailer: ELM [version 2.4 PL23]
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Content-Length: 539

Hello, world!

> In the file net/ipv4/ip_forward.c, it says that you do not have to forward
> a frame on the interface that it arrived upon. Is it okay if someone
> wants to forward a frame on the same interface and disable the ICMP
> REDIRECTs ?

Wouldn't it be better to define a minimal time between two redirects
sent to the same machine? If we don't it, we can simply wast a substantial
part of network bandwidth by sending redirects for an each packet received
from a misconfigured host. What do you think of it?

Martin