[83515] in North American Network Operators' Group

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Re: zotob - blocking tcp/445

daemon@ATHENA.MIT.EDU (Christopher L. Morrow)
Wed Aug 17 13:35:04 2005

Date: Wed, 17 Aug 2005 17:34:29 +0000 (GMT)
From: "Christopher L. Morrow" <christopher.morrow@mci.com>
In-reply-to: <43035546.4080204@emmanuelcomputerconsulting.com>
To: William Warren <hescominsoon@emmanuelcomputerconsulting.com>
Cc: nanog@merit.edu
Errors-To: owner-nanog@merit.edu



On Wed, 17 Aug 2005, William Warren wrote:

>
> I may be off base here.  Can't an ips look at the traffic; say on 443
> and figure out whether the traffic is malicious or not?  If so then let
> it filter it.  I know IPS's aren't perfect, but, i would prefer this
> router be taken, if available and sensible including network outage or
> DDOS, than a hard block.  A quick block to mitigate and then an IPS rule

and you have an IPS that works on oc-192 SONET links? what about the
coming oc-768?

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