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What is Site-to-Site VPN

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20180724
What is Site-to-Site VPN

What is Site-to-Site VPN



A VPN connection that allows you to connect two Local Area Networks (LANs) is called a site-to-site VPN. Site-to-site VPNs are normally established between corporate offices that are separated by a physical distance extending further than normal LAN media covers.

Site-to-site VPN extends the company's network, making computer resources from one location available to employees at other locations.



VPNs are available in software and hardware implementations. However, hardware implementations are considered more secure, since they are not impacted by OS vulnerabilities.

    Note
A virtual private network (VPN) consists of multiple remote peers transmitting private data securely to one another over an unsecured network, such as the Internet. Site-to-site VPNs use tunnels to encapsulate data packets within normal IP packets for forwarding over IP-based networks, using encryption to ensure privacy and authentication to ensure integrity of data.


The first step in creating a site-to-site VPN is selecting the protocols to be used. Common protocols associated with VPN are PPTP, L2TP, SSH, and IPSec. PPTP and L2TP are used to establish a secure tunnel connection between two sites. Once a tunnel is established, encryption protocols are used to secure data passing through the tunnel.


Why Should You Use a Virtual Private Network (VPN) When Surfing Internet

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Interesting how VPNs have evolved in recent years, but definitely worth it to protect user information and important business data.
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