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Access "On The Radar: Avoiding security upgrade disaster"

Published: 16 Oct 2012

Learn from my mistakes. Just a little planning can go a long way to averting a security upgrade disaster. Experience is the best teacher. Or that's what I am trying to convince myself after living through an upgrade from hell. It was a crucial piece of security hardware--our firewall--which was so critical that if it went down in flames, I was going down with it. Mission accomplished? Not quite. What should have been an ordinary maintenance window became a lesson of what not to do. At first, everything appeared fine; traffic was going into the firewall, and counters showed that firewall rules were being used. But it wasn't long before our Blackberries began buzzing with news that something was wrong--services that rely on the backup site were not working. After three frustrating hours, we finally worked out the problem, but not before management knew that our failover site had been out of commission. As it turned out, an unknown bug in the vendor's firewall code was the culprit, but that didn't diminish management's embarrassment over the outage. If we had ... Access >>>

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