I know htis would take a certein amount ofscripting, but if ISP's already use ACL's on their CMTSs, why not have a script automagically add addresses that have been picked up by common spam-lists.
All the script would need to do is pick up the list, find out what IP's on there belong to their customers (subnet mask check) and dump the ist in the ACL.
Seeing as these lists are usually automagically generated, this would only introduce an extra step in the pre-existent system.
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I know htis would take a certein amount ofscripting, but if ISP's already use ACL's on their CMTSs, why not have a script automagically add addresses that have been picked up by common spam-lists. All the script would need to do is pick up the list, find out what IP's on there belong to their customers (subnet mask check) and dump the ist in the ACL. Seeing as these lists are usually automagically generated, this would only introduce an extra step in the pre-existent system.