Category: VPN

VPN Facts

A Virtual Private Network (VPN) is a remote access connection that uses encryption to securely send data over an untrusted network. By using a VPN you can take advantage of an existing Internet connection to securely communicate between devices.  A VPN provides an alternative to:   WAN connections.  Connections using telephone lines and a remote access server.  VPNs […]

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IPSec Facts

IP Security (IPSec) provides secure data transmission over unprotected TCP/IP networks such as the Internet. IPSec operates on OSI layer 3, the network layer. It provides mutual authentication, integrity, nonrepudiation and confidentiality.  IPSec includes two protocols:  Protocol  Function  Authentication Header (AH)  AH provides authenticity, non-repudiation, and integrity. AH:  Does not provide confidentiality because the data in the packet […]

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