nanog mailing list archives

Re: AT&T blocking individual IP addresses


From: "Dobbins, Roland" <rdobbins () arbor net>
Date: Wed, 9 Dec 2009 16:05:08 +0000


On Dec 9, 2009, at 11:03 PM, Scott Howard wrote:

They are (authenticated-required) proxy servers with 10's of thousands of users behind them, so it's possible that 
they were seeing some bot-like traffic from them, although the volume would have been tiny compared to the volume of 
legitimate traffic.

So, if, say, AT&T customers are getting zorched from traffic behind those proxies, then blocking them would make sense, 
no?

;>

Do you have visibility into the traffic into/out of those proxies, in order to determine if there's DDoS or spam or 
other undesirable traffic emanating from them?

-----------------------------------------------------------------------
Roland Dobbins <rdobbins () arbor net> // <http://www.arbornetworks.com>

    Injustice is relatively easy to bear; what stings is justice.

                        -- H.L. Mencken





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