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North American Network Operators Group

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Re: Cisco says attacks are due to operational practices

  • From: Majdi S. Abbas
  • Date: Thu Feb 10 21:34:15 2000

> Filtering incoming our outgoing ports for anybody's network but your own (not
> your customer's) is wrong.  You know specifically what apps you are running.  
> How can you know what your customer is running or what they want to do ?
> 
> If the customer is aware this is happening or even requests this type of
> firewall service, that's great.  But to filter ports on backbone routers is
> stupid.

	In the context of martian filtering, I'd assume he's referring to
daytime/echo/chargen/etc.  And filtering those is understandable.

	--msa





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