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Cisco blocks thousands of legit IPs by mistake

littlekorea (1656839) writes | more than 2 years ago

Security 0

littlekorea (1656839) writes "A very large quantity of outbound emails from legitimate IP addresses have been mistakenly blocked by the Cisco IronPort (SenderBase) web reputation service this week. Cisco engineers have confirmed a misconfiguration over the weekend caused the SenderBase service to give poor reputations to many businesses, particularly those using shared web servers or connecting small business server to a local ISP."
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