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From: Jules Maselbas <jmaselbas@kalray.eu>
To: John Watts <contact@jookia.org>
Cc: barebox@lists.infradead.org
Subject: Re: Re: Question about RATP protocol limitation during handshake in barebox
Date: Wed, 25 Jan 2023 09:41:55 +0100	[thread overview]
Message-ID: <20230125084155.GC5952@tellis.lin.mbt.kalray.eu> (raw)
In-Reply-To: <Y9BU1Z0CJH6Vk01d@novena-choice-citizen>

Hi John,

On Wed, Jan 25, 2023 at 08:59:49AM +1100, John Watts wrote:
> Hi,
> 
> I had a read of the RATP spec at https://www.rfc-editor.org/rfc/rfc916
> 
> The goal is to detect one end trying to start a fresh connection while another
> is established but manages to be a bit too broad by specifying that any SYN
> is an error rather than a SYN without an ACK.
> 
> There seems to be two solutions here:
> 
> - Don't re-send SYN packets
> - Break the spec and check if ACK is set before terminating the connection
Yes, i think that's the best thing to do, to ingnore SYN-ACK packets,
new connections should only start with a SYN.

Thanks
-- Jules 







  reply	other threads:[~2023-01-25  8:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-24 18:22 Jules Maselbas
2023-01-24 21:59 ` John Watts
2023-01-25  8:41   ` Jules Maselbas [this message]
2023-01-25 15:19     ` Draft of an errata for RFC916 Jules Maselbas
2023-01-25 16:27       ` John Watts
2023-01-25 17:11         ` Jules Maselbas

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