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Are you ready to rid your enterprise of a client-based VPN in favor of simple SSL? Tread carefully. We sort through five SSL VPNs, and uncover which best conquer the many challenges.
Enterprises are being drawn to SSL VPNs by the promise of easier support for roaming users--there's no need to install a thick client that is closely tied to a particular operating system and requires an IT department to touch each endpoint. With nothing more than a Web browser, users can securely connect to internal networks from just about any machine, anywhere.
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But reality is quite different. In fact, many corporate IT departments that start down the SSL VPN path because of minimum client requirements discover that the requirements aren't so minimal, especially to support a heterogeneous network. SSL products still require a great deal of administration, configuration an
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d support, as was evident in Information Security's extensive tests of five leading products.
We tested four hardware solutions--Aventail's ST EX-2500, Cisco Systems' ASA 5540, F5 Networks' FirePass 4100 and Juniper Networks' Secure Access (SA) 6000 SP--and one software product, Check Point Software Technologies' Connectra NGX R61 (Check Point also sells its product as an appliance).
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The products were tested in a purpose-built lab on the Stanford University campus in California (See "About This Review," above), with the help of the backbone networking group that runs the main university data center and operates the major network infrastructure on campus. We analyzed and graded their capabilities (See "Making the Grade," at right) for enterprise management and control, client support, applications support, and authentication and access control.
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