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Date:      Wed, 12 Sep 2001 15:39:12 +0800
From:      Igor Podlesny <poige@morning.ru>
To:        Jean-Francois Dive <jef@linuxbe.org>
Cc:        hackers@FreeBSD.ORG
Subject:   Re[2]: libcap question
Message-ID:  <17069356238.20010912153912@morning.ru>
In-Reply-To: <Pine.LNX.4.33.0109121654040.867-100000@gardafou.k-net.eu.org>
References:  <Pine.LNX.4.33.0109121654040.867-100000@gardafou.k-net.eu.org>

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> Hi,

> From what i know, it is not. Bpf does copy the frame to make it accessible
> to the pcap code and does loose this information. I however guess it is
> possible to compute it from the local host information...

alas, not always and not easy...

> JeF

> On Wed, 12 Sep 2001, Igor Podlesny wrote:

>>
>> Hello!
>>
>> I  suspect that it's impossible to check out with libcap (BPF) whether
>> a captured packet is incoming or outgoing, but may be it is not?
>>
>> --
>> Best regards,
>>  Igor                          mailto:poige@morning.ru
>>
>>
>> To Unsubscribe: send mail to majordomo@FreeBSD.org
>> with "unsubscribe freebsd-hackers" in the body of the message
>>




-- 
 Igor                            mailto:poige@morning.ru


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