Two TLS settings in about:config specify the minimum and maximum TLS version:
security.tls.version.min = 1
security.tls.version.max = 3
1 means TLS 1.0
2 means TLS 1.1
3 means TLS 1.2
4 means TLS 1.3
See also
Wunderbare Welt der Informatik
Informations- und Kommunikations-Technologie anschaulich erklärt
Two TLS settings in about:config specify the minimum and maximum TLS version:
security.tls.version.min = 1
security.tls.version.max = 3
1 means TLS 1.0
2 means TLS 1.1
3 means TLS 1.2
4 means TLS 1.3
See also