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A little incompatibility between a fix for the Windows Domain Name System caused users of a popular firewall product to lose their Internet connections.
Woops. One combination of security fix and security software added up to a big fat zero for some computer users.
Microsoft's light Patch Tuesday updates weighed heavily on users of the ZoneAlarm family of security software. The fix for a DNS issue, referenced in Microsoft's Knowledge Base as 951748, caused ZoneAlarm users to experience a loss of Internet access.
People using ZoneAlarm products on Windows Vista, Microsoft's most current version of its operating system, were not affected. However, the update created problems for people still on Windows XP or 2000.
Updated versions of ZoneAlarm's products listed on an advisory page fix the problem. ZoneAlarm also listed a workaround for the issue.
Defensive Computing blogger Michael Horowitz said this situation demonstrated why people should wait a couple of days before installing Microsoft's patches, in case something like this happens and requires a fix.
"This is exactly the sort of situation for which that advice was intended," he said of the ZoneAlarm kerfuffle.
About
the Author:
David Utter is a business and technology writer for SecurityProNews and WebProNews.
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