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.
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