O'Reilly logo

Essential Check Point™ FireWall-1® NG: An Installation, Configuration, and Troubleshooting Guide by Dameon D. Welch-Abernathy

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Introduction to a VPN

A VPN is a technology that allows two or more locations to communicate securely over a public network while maintaining the security and privacy of a private network. Encryption, authentication, and packet integrity checks are key enablers of VPNs; they ensure that the data is private and the integrity of the data is maintained. The main reason for using VPNs is that private networks are expensive to acquire and maintain. Companies are finding VPNs a cost-effective way to connect sites to one another.

Given that firewalls are designed to be the gatekeepers between public and private networks, it makes sense to integrate VPN capabilities into a firewall. You can not only filter traffic but also subject VPN usage to a security ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required