Internet VPNs

Private WAN services such as leased lines MPLS provide security because each customer's traffic is separated by using dedicated physical connections (leased line) or by MPLS tags.

When using the Internet as a WAN to connect sites together, there is no built-in security by default.

To provide secure communications over the Internet, VPNs (Virtual Private Networks) are used.

We will cover two kinds of Internet VPNs;

  1. Site-to-Site VPNs using IPsec.

  2. Remote-access VPNs using TLs.

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