A VPN is a network system that makes a secure connection between a client computer (or device) at a remote location (such as a personal machine at home or off-campus) and a protected, private network (such as Lehigh's campus network) over an otherwise insecure public network (such as the Internet). Data passed over the public network is encapsulated and encrypted so that it can't be intercepted or tampered with. When a VPN connection is made between a client computer and the Lehigh VPN server, that computer essentially functions as if it were actually on-campus, inside the campus firewall that protects the campus network from the Internet.
The Cisco AnyConnect software is the client software for connecting to Lehigh's VPN, and is the only method for accessing most services that are behind the network firewall. The instructions below enable Lehigh users to install that software on their personal devices.
Numerous campus systems require use of the VPN for remote access, including accessing LUapps, network file storage, remote desktop connections, and printing to on-campus printers. Many things though, do not require the VPN, such as Lehigh Google Apps, Confluence, and access to most other web pages.
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