Re: Cisco says attacks are due to operational practices

[Chris Cappuccio <chris () dqc org>]

Did anyone even read the post I was responding to ??

> On Thu, 10 Feb 2000, John M. Brown wrote:
> | We have always built martian filters on our edge routers.  In addition we
> | built specific filters for ports that are not used, or are bad on the net.

"Ports that are not used" What about when the tcp stack on a particular
machine dynamically allocates a particular port for some tcp connection and
you are filtering that port ? etc....



On Thu, 10 Feb 2000, Paul Ferguson wrote:

 | I did't see anyone talking about port-level filtering. What
 | I did see, on the other hand, was someone talking about about
 | filtering Martian network traffic -- stuff which should not
 | be there in the first place.
 | 
 | - paul
 | 
 | 
 | 

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