![]() ![]() Without using the Internet as a transport mechanism, one would have to purchase point-to-point T1s or some other form of leased line to connect multiple locations. The ability to make use of a public network to transmit data is also an advantage of the VPN technology. This means that one can share data and resources among several locations without worrying for the data integrity being compromised. ![]() VPNs use encryption and authentication to ensure that information is kept private and confidential. A VPN is a means of creating secure communications over a public network infrastructure. ![]() Security is one of the good reasons to implement the VPN technology in infrastructure. The chapter discusses the concepts of virtual private networks (VPNs), how VPNs operate, and how to implement VPN tunnels using Internet protocol security (IPSec) on SonicWALL appliances. ![]()
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