Date: Tue, 06 Sep 2005 13:13:39 +0400 From: "Vladimir Yu. Stepanov" <vys@renet.ru> Cc: hackers@freebsd.org Subject: Re: BPF patch Message-ID: <431D5DC3.7090907@renet.ru> In-Reply-To: <79722fad05090103363fc910@mail.gmail.com> References: <4316C9B1.9070003@renet.ru> <79722fad05090103363fc910@mail.gmail.com>
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This is a multi-part message in MIME format. --------------060001040402030808070705 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Vlad GALU wrote: > On 9/1/05, Vladimir Yu. Stepanov <vys@renet.ru> wrote: > [snip] > > You can always control which traffic to sniff (ingress/egress) > using layer 2 filters (ether src/dst host <>). > It's not a simple way. BPF filter code must be used depending on type of device. For some of drivers (ppp, tun and etc) BPF filter cannot help for filtering layer 2. --------------060001040402030808070705--
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