Summary

VPNs are one of the most critical network security tool. The reason for their widespread use is the rapid expansion in reliance on the networking resources available within corporate networks. The need for these resources to be accessible to remote users, home users, remote offices, partners, and others has fueled the growth of VPNs. Although VPNs can be set up in quite a few different ways, the primary goals are the same: seamless connectivity and maintenance of the security of the networks participating in the VPN.

This chapter defined VPNs and listed the various types of VPNs. Different types based on functionality, construction, and business goals were discussed. The goal of this chapter was to lay a foundation for the specific VPN ...

Get Network Security Principles and Practices now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.