Dear Doctor,
Our branch office network recently upgraded many workstations to Windows Vista. We've noticed that file transfers to and from these machines and the Internet is much slower — about 10 times slower — than our XP and Mac machines. Yet the same machines can transfer files fine over our VPN to the home office. We use a Cisco PIX firewall for our Internet connection and a Sonicwall VPN appliance for our corporate VPN. I'm perplexed!... Read the rest of entry >>
Posted @ 04/01/2008 4:32 PM By Mel Beckman
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Dear Doctor,
In an effort to reduce the amount of phishing e-mail going to our users, I've been asked to set up processing for something called Domain Key Identified Mail (DKIM). I gather DKIM is some kind of encryption system, but I don't have the foggiest idea where to begin to implement it. We currently use CommuniGate Pro mail server running under i5/OS, but the vendor doesn't seem to have much info on the subject.... Read the rest of entry >>
Posted @ 04/01/2008 4:30 PM By Mel Beckman
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