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Re: Arbor Networks DoS defense product


From: Scott Francis <darkuncle () darkuncle net>
Date: Fri, 17 May 2002 07:12:06 -0700

On Fri, May 17, 2002 at 12:50:40AM -0700, goemon () anime net said:

On Thu, 16 May 2002, Dragos Ruiu wrote:
But that said.  Blackholing as a response for portscanning
is stupid.
If you are a small communications end-point it's dumb.
Just run portsentry for a while with auto-firewall rules
if you need convincing.
If you are a communications service provider providing
packet transit for others (even employees), it's hostile.

So it's stupid. Or hostile. Certainly no more stupid (or hostile) than
sending out millions of spams, or being the source of thousands of
portscans/intrusion attempts, and refusing to take responsibility.

Bottom line: network policy is the responsibility of the network operator. If
he/she does something that causes bad repercussions (financially), he/she
will probably be job hunting. Otherwise, if it's not your network, you really
don't have much of a say about how it's run, do you?

(If it were otherwise, large sections of APNIC would have been cleaned up
long ago by those on the receiving end of portscans and spam.)

-- 
Scott Francis                   darkuncle@ [home:] d a r k u n c l e . n e t
Systems/Network Manager          sfrancis@ [work:]         t o n o s . c o m
GPG public key 0xCB33CCA7              illum oportet crescere me autem minui

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