North American Network Operators Group

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Re: Reporting Little Blue Men

  • From: Eric Osborne
  • Date: Wed Jan 21 23:09:58 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 ([email protected]), Chesapeake Communications Corporation
> Sales: [email protected] 504-585-1850, Support: [email protected]
> 504-535-5449
> We have changed our name!  Corporate Communications Technology is now
> known as Chesapeake Communications Corporation.