This article is a reference for supported SSL/ TLS protocols by SonicWall firmware. This applies to all SSL aspects of the SonicOS including SSLVPN and SSL Certificates.
Latest general release firmware and subsequent versions can enable legacy protocols SSL3 and TLS1.0 in compatibility mode only.
SonicOS | Supported SSL/TLS Version |
5.6 | SSL2, SSL3, TLS1.0 |
5.7 | SSL2, SSL3, TLS1.0 |
5.8.0-5.8.1 | SSL2, SSL3, TLS1.0 |
5.9.0-5.9.1 | SSL3, TLS1.0, TLS1.1, TLS1.2 |
5.9.1.2-5.9.1.9 | SSL3, TLS1.0, TLS1.1, TLS1.2 |
6.0.5 | SSL3, TLS1.0, TLS1.1, TLS1.2 |
6.2.1-6.2.7 | SSL3, TLS1.0, TLS1.1, TLS1.2 |
6.2.7.7 | SSL3, TLS1.0, TLS1.1, TLS1.2 |
6.2.9 | SSL3, TLS1.0, TLS1.1, TLS1.2 |