From: Jim Nelson <james4765@cwazy.co.uk>
To: muruganandam@softhome.net
Cc: linux-newbie@vger.kernel.org
Subject: Re: promiscus mode
Date: Thu, 27 Jan 2005 05:42:32 -0500 [thread overview]
Message-ID: <41F8C598.60505@cwazy.co.uk> (raw)
In-Reply-To: <5.1.0.14.1.20050126231618.02ac3940@celine>
Ray Olszewski wrote:
> At 12:30 PM 1/25/2005 +0530, Muruganandam wrote:
>
>> Hi all,
>>
>> How to enable the Promiscus mode in the kernel,inorder to capture the
>> packets.Advance Thanks
>
>
> It would be easier to answer this question if I better understood the
> level you are asking it at.
>
> The beginner-level answer to it is to use an application and associated
> library (e.g, tcpdump or ethereal, and libpcap) that supports setting
> promiscuous mode.
>
> For the details of how to set it in a NIC driver, I'd suggest referring
> to the source for libpcap; my quick scan of it leads me to suggest
> checking the pcap_open_live() function call.
>
> Of course, you need root access to do any of this.
>
>
And it may not work if you have some obscure hardware - all the common Ethernet
drivers and chipsets support promiscuous mode, but some of the older boards and
embedded chips may suprise you.
Jim
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next prev parent reply other threads:[~2005-01-27 10:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-25 7:00 promiscus mode Muruganandam
2005-01-27 7:22 ` Ray Olszewski
2005-01-27 10:42 ` Jim Nelson [this message]
2005-01-27 13:50 ` simon
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