Date: Wed, 6 Jul 2005 09:54:48 +0100 From: David Malone <dwmalone@maths.tcd.ie> To: snort Snort <snort_sam@yahoo.com> Cc: stable@freebsd.org, freebsd-current@freebsd.org Subject: Re: network resquest to tap pseudo device driver Message-ID: <20050706085448.GA74870@walton.maths.tcd.ie> In-Reply-To: <20050706054855.53812.qmail@web54405.mail.yahoo.com> References: <20050706054855.53812.qmail@web54405.mail.yahoo.com>
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On Tue, Jul 05, 2005 at 10:48:55PM -0700, snort Snort wrote: > Can anybody tell me what benefit for building a tap > pseudo ethernet device driver for some sort of network > communication? Why not directly communicate thru a > "real" ethernet device driver like fxp0, xl0, etc. A tap interface can be used by machine that don't have real hardware (for example, a vmware virtual machine) to access a real network. Another possibility is to use a tap interface to bridge two ethernets together over an intermediate IP network, possibly encrypting the frames in transit. David.
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