A String value that sets and locks the maximum version of TLS
**Compatibility:** Firefox 67, Firefox ESR 60.7\
-**CCK2 Equivalent:** N/A
+**CCK2 Equivalent:** N/A\
**Preferences Affected:** `security.tls.version.max`
#### Windows
A String value that sets and locks the minimum version of TLS
**Compatibility:** Firefox 67, Firefox ESR 60.7\
-**CCK2 Equivalent:** N/A
+**CCK2 Equivalent:** N/A\
**Preferences Affected:** `security.tls.version.min`
#### Windows