Hi Russell, On Wed, 25 Jul 2007 15:28:55 -0400 "Russell Harmon" <[EMAIL PROTECTED]> wrote: > On 7/25/07, Amit Walambe <[EMAIL PROTECTED]> wrote: > > That brings me to the question : Is there any way in Linux kernel so > > that we can filter out unwanted packets at the physical layer, > > rather than to bring them up all the way to network stack? > AFAIK, hardware level packet filtering can only be done by very > expensive network cards or a motherboard with a nforce4 chipset (it > has a hardware level firewall which should handle this too). Most (all > that I know of except the nforce4) common network adapters do not > support hardware level packet filtering. Thanks a lot for your reply and further pointers. Best Regards, -- Amit Walambe Design Engineer, Arcom Control Systems Ltd. http://www.arcom.com Tel: +44-(0)1223 411200 ext. 3204 Direct: +44-(0)1223 403465
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