Which technology does SonicWall use to enhance VPN security?

SonicWall enhances VPN security primarily through the use of IPSec (Internet Protocol Security), which is a framework for a set of protocols that help secure internet protocol (IP) communications by authenticating and encrypting each IP packet of a communication session. IPSec operates at the network layer, providing strong security features such as data integrity, authentication, and confidentiality, making it a robust choice for VPN connections.

By employing IPSec, SonicWall ensures that data transmitted over a virtual private network is protected from interception and tampering, which is essential for maintaining confidentiality and integrity in corporate communications. Its ability to work in both tunnel mode and transport mode allows for flexible implementation based on the network architecture and security requirements.

In contrast, while the other technologies listed, such as L2TP and PPTP, can also be used for VPNs, they do not offer the same level of security or robustness as IPSec. L2TP itself does not provide encryption, requiring the use of IPSec to secure the data. PPTP is considered less secure compared to IPSec and is increasingly viewed as obsolete due to various vulnerabilities. SSL is commonly used for securing web traffic but is not as widely utilized for traditional VPN connections as IPSec.

Thus, the selection