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North American Network Operators Group

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Re: Port blocking last resort in fight against virus

  • From: Petri Helenius
  • Date: Wed Aug 13 05:35:40 2003

>  
> In your world DoS traffic would be free to roam the networks as it pleased 
> without being throttled sensibly at ingress?
> 
Throttling is a different from blocking. Sensible traffic management does not 
break applications nor network transparency. You are free to choose when to
forward each packet. 

> Or the dumb [wannabee] IT guy runs some telnet/ftp/filesharing service without
> passwords and its ok for the whole world to access the private system coz its
> his fault?
> 
This means your application security infrastructure already failed if some filesharing
application is running on a machine which also has access to data in the internal
disk shares.

Pete





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