This version of GitHub Enterprise was discontinued on 2021-06-09. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise. For help with the upgrade, contact GitHub Enterprise support.
Managing Git access to your organization's repositories
You can add an SSH certificate authority (CA) to your organization and allow members to access the organization's repositories over Git using keys signed by the SSH CA.
Support for SSH certificate authorities is available with GitHub Enterprise Cloud and GitHub Enterprise Server 2.19+. For more information, see "GitHub's products."