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Virtual Private Networks, Second Edition by Paul Wolfe, Charlie Scott, Mike Erwin

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Keeping Yourself Up-to-Date

It’s a good idea to keep your VPN up-to-date, but don’t be in a rush to upgrade just because you’re looking for a new feature or two. New software is notorious for introducing as many problems as it patches. Here are the primary reasons to upgrade your VPN software:

  • There’s a security hole in the product you currently use.

  • There’s a bug that causes system problems (such as crashes, memory leaks, or networking problems).

  • The current version isn’t compatible with another product on your network, or a product that the remote users have, and the new version improves interoperability.

  • The new version has several features essential to the operation of your VPN.

Finding information on VPNs is currently like trying to stargaze in the middle of Las Vegas—there’s a lot of marketing hype out there, but practical information tends to get washed out. Nonetheless, we’ve compiled into Appendix B a short list of things to keep up with in the world of VPNs.

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