From: Morgon.J.Kanter@Dartmouth.edu
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: PROBLEM: raw sockets rewriting IP ID in rare cases.
Date: Sun, 15 Aug 2010 20:43:50 -0400 [thread overview]
Message-ID: <20100815204350.4amjt1lngg0s0048@webmail.dartmouth.edu> (raw)
In-Reply-To: <1281905220.2942.57.camel@edumazet-laptop>
Quoting Eric Dumazet <eric.dumazet@gmail.com>:
> Le dimanche 15 août 2010 à 13:13 -0700, David Miller a écrit :
>> From: Morgon.J.Kanter@Dartmouth.edu
>> Date: Sun, 15 Aug 2010 13:57:41 -0400
>>
>> > Is there a way to turn this behavior off, then, with raw sockets? Zero
>> > is the desired ID value.
>>
>> No, there isn't.
>
> Just a note about IP_DF (Dont Fragment) bit.
>
> If set, ID stay 0.
>
> Not sure it can help Morgon.
>
> Jiri Olsa added IP_NODEFRAG option some weeks ago (commit 7b2ff18e),
> we probably could implement IP_NOIDENT option for RAW sockets ?
Thanks for the information. I was thinking of adding it in as a socket
option as well, similar to that one you pointed out -- but seeing that
makes me wonder, perhaps an "as-is" option would be more appropriate,
instead of a different option for each field you want to leave as-is?
Thanks,
-- Morgon
next prev parent reply other threads:[~2010-08-16 0:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-13 17:07 PROBLEM: raw sockets rewriting IP ID in rare cases Morgon J. Kanter
2010-08-15 5:35 ` David Miller
2010-08-15 17:57 ` Morgon.J.Kanter
2010-08-15 20:13 ` David Miller
2010-08-15 20:47 ` Eric Dumazet
2010-08-16 0:43 ` Morgon.J.Kanter [this message]
2010-08-16 6:26 ` Eric Dumazet
2010-08-16 6:50 ` Jiri Olsa
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