North American Network Operators Group|
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Re: identify hostname
Who is willing to write a tool to do broadcast address discovery and access-list generation? Ideally with a config file that would allow one to avoid serious self smurfing (ie, ranges to check and patterns to assume are broadcasts without trying them). > Filtering broadcast addresses is pretty ugly. Consider that a single Class > C broken down into /30's can have 64 broadcast addresses. Maybe if it was > just filtering your own assigned subnets, it would be possible, but this > also applies to customer-subnetted broadcast addresses, so you'd have to > coordinate your filter with every one of your customers, every time they > change subnets. Not impossible, but pretty close.