Issue

• Is possible to enforce Jenkins to use TLS 1.2?

Environment

• CloudBees Jenkins Enterprise - Managed controller (CJE-MM)
• CloudBees Jenkins Enterprise - Operations Center (CJE-OC)
• CloudBees Jenkins Team (CJT)
• CloudBees Jenkins Platform - Client controller (CJP-CM)
• CloudBees Jenkins Platform - Operations Center (CJP-OC)

Resolution

You can follow this KB to disable ciphers on your JVM Disabling Specific Ciphers In Jenkins or add this property to your Jenkins java properties -Dhttps.protocols=TLSv1.2

References

Disabling Specific Ciphers In Jenkins
How to add Java arguments to Jenkins