Windows DNS bug fix cam impair firewalls.
Multiple reports from users since yesterday afternoon have complained of systems incapable of contacting the Internet after having implemented patch KB951748. This patch makes a major change to the way the operating system handles DNS requests. Specifically, it implements a system that enables source port randomization -- a way to scramble the address from which a request is placed -- as a security measure to thwart malicious users from being able to craft false DNS responses, and thus "poison" the caches of DNS servers.
One problem after another.
Wednesday, July 9, 2008
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