Lan subnet and mac addresses firewall
Hi,
I have a ftp server running for my lan. But I have some problems with the firewall: I filter the connections using mac addresses, that's a secure way to do it imo. This seems to work for people within my lan subnet but not for the people of another subnet. Why can't I see their mac addresses? And what do I have to do to make it possible? Thanks! |
Why can't i see mac addresses of different subnet ?
Just because a router forwards it's own mac for cross subnet communications. And for all those packets you'll only be seeing a entry of your own ROUTER in your ARP cache. |
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