Reporting Little Blue Men

Eric Osborne osborne at
Thu Jan 22 03:55:52 UTC 1998

How do you prevent packets from your network with a broadcast address, since 
what defines a "broadcast" address really depends on the subnet mask?


> We prevent ANY packets to or from our network with a broadcast
> address.  We don't filter on a per-machine basis for address
> spoofing, but ALL packets leaving our network must have a valid
> address on our network.  Basically, one user on our network can spoof
> another user on our network, but no users can spoof addresses that
> are not on our network.
> --Eric
> -- 
> Eric Wieling (eric at, Chesapeake Communications Corporation
> Sales: sales at 504-585-1850, Support: support at
> 504-535-5449
> We have changed our name!  Corporate Communications Technology is now
> known as Chesapeake Communications Corporation.

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