From: Rick Jones <rick.jones2@hp.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: Re: DF, IP ID always 0 and the reassembly protections
Date: Tue, 20 Jun 2006 17:35:50 -0700 [thread overview]
Message-ID: <44989466.5070308@hp.com> (raw)
In-Reply-To: <20060620.171912.70221261.davem@davemloft.net>
David Miller wrote:
> From: Rick Jones <rick.jones2@hp.com>
> Date: Tue, 20 Jun 2006 16:44:55 -0700
>
>
>>Doesn't that mechanism rely on watching the IP ID's between the pair of
>>IPs? For both fragmented and non-fragmented datagrams? If so, does
>>always setting the IP ID to zero when DF is set affect that mechanism?
>
>
> Only the IDs in packets with DF clear matter.
I thought the ID's even in non-fragmented datagrams gave an idea of how
many IP datagrams had been sent along, and so an idea of how "unlikely"
it was that a datagram with holes could be reassembled?
rick jones
next prev parent reply other threads:[~2006-06-21 0:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-20 23:44 DF, IP ID always 0 and the reassembly protections Rick Jones
2006-06-21 0:19 ` David Miller
2006-06-21 0:35 ` Rick Jones [this message]
2006-06-21 0:38 ` akepner
2006-06-21 0:43 ` David Miller
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