Businesses interested in VPNs need not spend any money to find out more, because there is a wealth of open source VPN code available with which to experiment. In fact, they might find the free software meets their needs and budgets well enough that they don't need to look to commercial software. "We tested it in our labs, that's all. It cost us only some time," says Michel Blanc, assistant network administrator for Depart-ement du Rhone, a division of government in France that uses OpenVPN software based on SSL technology.
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