On 4/1/20 13:16, Kevin A. McGrail via mailop wrote:
Anyone from Barracuda on the list or have a contact?
I have a screenshot and logs showing a lot of concurrent accesses from
209.222.82.X which appears to be IPs for ess barracuda. I'd normally
call it a DOS attack. Looks like robots gone bad but they aren't using
a proper robot tag or honoring the robots.txt crawl-delay either:
Perhaps a URL on the server was included in some form of spam or
legitimate bulk mail and Barracuda is automatically checking it on
behalf of many recipients as part of their email filtering?
Some spam filtering services follow links, Barracuda may be one of them.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
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