Enforcing policies for security settings in your enterprise

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You can enforce policies to manage security settings in your enterprise's organizations, or allow policies to be set in each organization.

Who can use this feature

Enterprise owners can enforce policies for security settings in an enterprise.

About policies for security settings in your enterprise

You can enforce policies to control the security settings for organizations owned by your enterprise on GitHub Enterprise Server. By default, organization owners can manage security settings. For more information, see "Keeping your organization secure."

Requiring two-factor authentication for organizations in your enterprise

Enterprise owners can require that organization members, billing managers, and outside collaborators in all organizations owned by an enterprise use two-factor authentication to secure their user accounts.

Before you can require 2FA for all organizations owned by your enterprise, you must enable two-factor authentication for your own account. For more information, see "Securing your account with two-factor authentication (2FA)."

Warnings:

When you require two-factor authentication for your enterprise, members, outside collaborators, and billing managers (including bot accounts) in all organizations owned by your enterprise who do not use 2FA will be removed from the organization and lose access to its repositories. They will also lose access to their forks of the organization's private repositories. You can reinstate their access privileges and settings if they enable two-factor authentication for their account within three months of their removal from your organization. For more information, see "Reinstating a former member of your organization."
Any organization owner, member, billing manager, or outside collaborator in any of the organizations owned by your enterprise who disables 2FA for their account after you've enabled required two-factor authentication will automatically be removed from the organization.
If you're the sole owner of an enterprise that requires two-factor authentication, you won't be able to disable 2FA for your user account without disabling required two-factor authentication for the enterprise.

Before you require use of two-factor authentication, we recommend notifying organization members, outside collaborators, and billing managers and asking them to set up 2FA for their accounts. Organization owners can see if members and outside collaborators already use 2FA on each organization's People page. For more information, see "Viewing whether users in your organization have 2FA enabled."

在 GitHub Enterprise Server 的右上角，单击� 的个人资料照片，然后单击“企业设置”。
在企业帐户侧边� �中，单击 “设置”。
In the left sidebar, click Security.
Under "Two-factor authentication", review the information about changing the setting. （可选）若要在更改设置之前查看企业帐户中所有组织的当前配置，请单击 查看组织的当前配置。
Under "Two-factor authentication", select Require two-factor authentication for all organizations in your business, then click Save.
If prompted, read the information about members and outside collaborators who will be removed from the organizations owned by your enterprise. To confirm the change, type your enterprise's name, then click Remove members & require two-factor authentication.
Optionally, if any members or outside collaborators are removed from the organizations owned by your enterprise, we recommend sending them an invitation to reinstate their former privileges and access to your organization. Each person must enable two-factor authentication before they can accept your invitation.

Managing SSH certificate authorities for your enterprise

You can use a SSH certificate authorities (CA) to allow members of any organization owned by your enterprise to access that organization's repositories using SSH certificates you provide. 您可以要求成员使用 SSH 证书访问组织资源，除非 SSH 已在仓库中禁用。 For more information, see "About SSH certificate authorities."

在颁发每个客户端证书时，必须包含扩展，以指定证书用于哪个 GitHub Enterprise Server 用户。有关详细信息，请参阅“关于 SSH 证书颁发机构”。

Adding an SSH certificate authority

If you require SSH certificates for your enterprise, enterprise members should use a special URL for Git operations over SSH. For more information, see "About SSH certificate authorities."

在 GitHub Enterprise Server 的右上角，单击� 的个人资料照片，然后单击“企业设置”。
在企业帐户侧边� �中，单击 “设置”。
In the left sidebar, click Security.
在“SSH 证书颁发机构”右侧，单击“新建 CA”。
在“Key（密钥）”下，粘贴您的公共 SSH 密钥。
单击“添� CA”。
（可选）若要要求成员使用 SSH 证书，请选择“需要 SSH 证书”，然后单击“保存” 。

Deleting an SSH certificate authority

Deleting a CA cannot be undone. If you want to use the same CA in the future, you'll need to upload the CA again.

在 GitHub Enterprise Server 的右上角，单击� 的个人资料照片，然后单击“企业设置”。
在企业帐户侧边� �中，单击 “设置”。
In the left sidebar, click Security.
在“SSH 证书颁发机构”下，在要� 除的 CA 右侧，单击“� 除”。
阅读警告，然后单击“我了解，请� 除此 CA”。