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About policies for repository management in your enterprise

You can enforce policies to control how members of your enterprise on GitHub Enterprise Server manage repositories. You can also allow organization owners to manage policies for repository management. For more information, see "Creating and managing repositories" and "Organizations and teams documentation."

Configuring the default visibility of new repositories

Each time someone creates a new repository within your enterprise, that person must choose a visibility for the repository. When you configure a default visibility setting for the enterprise, you choose which visibility is selected by default. For more information on repository visibility, see "About repositories."

If an enterprise owner disallows members from creating certain types of repositories, members will not be able to create that type of repository even if the visibility setting defaults to that type. For more information, see "Enforcing a policy for repository creation."

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under Policies, click Options.

4. Under "Default repository visibility", use the drop-down menu and select a default visibility.

   Warning

   If you add an image attachment to a pull request or issue comment, anyone can view the anonymized image URL without authentication, even if the pull request is in a private repository, or if private mode is enabled. To prevent unauthorized access to the images, ensure that you restrict network access to the systems that serve the images, including your GitHub Enterprise Server instance.

Enforcing a policy for base repository permissions

Across all organizations owned by your enterprise, you can set a base repository permission level (none, read, write, or admin) for organization members, or allow owners to administer the setting on the organization level.

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under " Policies", click Member privileges.

4. Under "Base permissions", review the information about changing the setting. Optionally, to view the current configuration for all organizations in the enterprise account before you change the setting, click View your organizations' current configurations.

   

5. Under "Base permissions", select the dropdown menu and click a policy.

Enforcing a policy for repository creation

Across all organizations owned by your enterprise, you can allow members to create repositories, restrict repository creation to organization owners, or allow owners to administer the setting on the organization level.

If you allow members to create repositories in your organizations, you can choose which types of repositories (public, private, and internal) that members can create.

You can also prevent users from creating repositories owned by their user accounts.

For more information about internal repositories, see "Creating a new repository."

Organization owners can always create any type of repository, and outside collaborators can never create any type of repository. For more information, see "About repositories."

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under " Policies", click Member privileges.

4. Under "Repository creation", review the information about changing the setting. Optionally, to view the current configuration for all organizations in the enterprise account before you change the setting, click View your organizations' current configurations.

   

5. Under "Repository creation", select a policy.

6. If you selected Members can create repositories, select one or more repository types.

7. Optionally, to prevent enterprise members from creating repositories owned by their user accounts, select Block the creation of user namespace repositories.

Enforcing a policy for forking private or internal repositories

Across all organizations owned by your enterprise, you can allow people with access to a private or internal repository to fork the repository, never allow forking of private or internal repositories, or allow owners to administer the setting on the organization level.

People with admin permissions can set a more granular forking policy. For more information, see "Managing the forking policy for your organization."

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under " Policies", click Member privileges.

4. Under "Repository forking", review the information about changing the setting. Optionally, to view the current configuration for all organizations in the enterprise account before you change the setting, click View your organizations' current configurations.

   

5. Under "Repository forking", select the dropdown menu and click a policy.

6. If forking is enabled, select a policy for where users are allowed to fork repositories.

Enforcing a policy for inviting collaborators to repositories

Across all organizations owned by your enterprise, you can allow members to invite collaborators to repositories, restrict invitations to organization owners, restrict invitations to enterprise owners, or allow organization owners to administer the setting on the organization level.

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under " Policies", click Member privileges.

4. Under "Repository invitations", review the information about changing the setting. Optionally, to view the current configuration for all organizations in the enterprise account before you change the setting, click View your organizations' current configurations.

   

5. Under "Repository invitations", select the dropdown menu and click a policy.

Enforcing a policy for the default branch name

Across all organizations owned by your enterprise, you can set the default branch name for any new repositories that members create. You can choose to enforce that default branch name across all organizations or allow individual organizations to set a different one.

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under " Policies", click Member privileges.

4. Under "Default branch name", enter the default branch name that new repositories should use.

5. Optionally, to enforce the default branch name for all organizations in the enterprise, select Enforce across this enterprise.

6. Click Update.

Enforcing a policy for changes to repository visibility

Across all organizations owned by your enterprise, you can allow members with admin access to change a repository's visibility, restrict repository visibility changes to organization owners, or allow owners to administer the setting on the organization level. When you prevent members from changing repository visibility, only enterprise owners can change the visibility of a repository.

If an enterprise owner has restricted repository creation to organization owners only, then members will not be able to change repository visibility. For more information, see "Enforcing a policy for repository creation."

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under " Policies", click Member privileges.

4. Under "Repository visibility change", review the information about changing the setting. Optionally, to view the current configuration for all organizations in the enterprise account before you change the setting, click View your organizations' current configurations.

   

5. Under "Repository visibility change", select the dropdown menu and click a policy.

Enforcing a policy for repository deletion and transfer

Across all organizations owned by your enterprise, you can allow members with admin permissions to delete or transfer a repository, restrict repository deletion and transfers to organization owners, or allow owners to administer the setting on the organization level.

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under " Policies", click Member privileges.

4. Under "Repository deletion and transfer", review the information about changing the setting. Optionally, to view the current configuration for all organizations in the enterprise account before you change the setting, click View your organizations' current configurations.

   

5. Under "Repository deletion and transfer", select the dropdown menu and click a policy.

Enforcing a policy for deleting issues

Across all organizations owned by your enterprise, you can allow members with admin access to delete issues in a repository, restrict issue deletion to organization owners, or allow owners to administer the setting on the organization level.

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. On the Repository policies tab, under "Repository issue deletion", review the information about changing the setting. Optionally, to view the current configuration for all organizations in the enterprise account before you change the setting, click View your organizations' current configurations.

   

4. Under "Repository issue deletion", select the dropdown menu and click a policy.

Enforcing a policy for Git push limits

To keep your repository size manageable and prevent performance issues, you can configure a file size limit for repositories in your enterprise.

By default, when you enforce repository upload limits, people cannot add or update files larger than 100 MB.

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under Policies, click Options.

4. Under "Repository upload limit", use the drop-down menu and click a maximum object size.

5. Optionally, to enforce a maximum upload limit for all repositories in your enterprise, select Enforce on all repositories

   

Enforcing a policy for the display of member names in your repositories

Across all organizations owned by your enterprise, you can allow members to see a comment author's profile name, in addition to their username, in issues and pull requests for public and internal repositories.

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under Policies, click Options.

4. Under "Allow members to see the comment author's profile name in public and internal repositories", select the dropdown menu and click a policy.

5. Optionally, to enforce the display of profile names for all repositories in your enterprise, select Enforce for all repositories on the instance.

   

Configuring the merge conflict editor for pull requests between repositories

Requiring users to resolve merge conflicts locally on their computer can prevent people from inadvertently writing to an upstream repository from a fork.

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under Policies, click Options.

4. Under "Conflict editor for pull requests between repositories", use the drop-down menu, and click Disabled.

Configuring force pushes

Each repository inherits a default force push setting from the settings of the user account or organization that owns the repository. Each organization and user account inherits a default force push setting from the force push setting for the enterprise. If you change the force push setting for the enterprise, the policy applies to all repositories owned by any user or organization.

Blocking force pushes to all repositories

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under Policies, click Options.

4. Under "Force pushes", select the dropdown menu, and click Allow, Block, or Block to the default branch.

5. Optionally, to override organization and repository level settings for force pushes, select Enforce on all repositories.

Blocking force pushes to a specific repository

1. Sign in to your GitHub Enterprise Server instance at http(s)://HOSTNAME/login.
2. From an administrative account on GitHub Enterprise Server, in the upper-right corner of any page, click .
3. If you're not already on the "Site admin" page, in the upper-left corner, click Site admin.
4. Under "Search users, organizations, teams, repositories, gists, and applications", type the name of the repository in the text field. Then to the right of the field, click Search.
   
5. Under "Search results – Repositories", click the name of the repository.
6. In the upper-right corner of the page, click Admin.
   
7. Under "Push and Pull", to the right of "Force pushes", select the dropdown menu, and click Block or Block to the default branch.

Blocking force pushes to repositories owned by a user account or organization

Repositories inherit force push settings from the user account or organization to which they belong. User accounts and organizations in turn inherit their force push settings from the force push settings for the enterprise.

You can override the default inherited settings by configuring the settings for a user account or organization.

1. Sign in to your GitHub Enterprise Server instance at http(s)://HOSTNAME/login.

2. From an administrative account on GitHub Enterprise Server, in the upper-right corner of any page, click .

3. If you're not already on the "Site admin" page, in the upper-left corner, click Site admin.

4. Under "Search users, organizations, teams, repositories, gists, and applications", type the name of the user or organization in the text field. Then to the right of the field, click Search.

   

5. In the search results, click the name of the user or organization.

   

6. In the upper-right corner of the page, click Admin.

   

7. Under "Repository default settings" in the "Force pushes" section, select a policy.

   • To block force pushes to all branches, select Block.
   • To only block force pushes to the default branch, select Block to the default branch.

8. Optionally, to override repository-specific settings, select Enforce on all repositories. Note that this will not override an enterprise-wide policy.

   

Configuring anonymous Git read access

If you have enabled private mode for your GitHub Enterprise Server instance, you can allow repository administrators to enable anonymous Git read access to public repositories.

Enabling anonymous Git read access allows users to bypass authentication for custom tools on your enterprise. When you or a repository administrator enable this access setting for a repository, unauthenticated Git operations (and anyone with network access to GitHub Enterprise Server) will have read access to the repository without authentication.

Anonymous Git read access is disabled by default.

If necessary, you can prevent repository administrators from changing anonymous Git access settings for repositories on your enterprise by locking the repository's access settings. After you lock a repository's Git read access setting, only a site administrator can change the setting.

To see the repositories with anonymous Git read access enabled, filter the repositories list in the site admin dashboard.

Setting anonymous Git read access for all repositories

1. In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.

   

2. On the left side of the page, in the enterprise account sidebar, click Policies.

3. Under Policies, click Options.

4. Under "Anonymous Git read access", use the drop-down menu, and click Enabled.

5. Optionally, to prevent repository admins from changing anonymous Git read access settings in all repositories on your enterprise, select Prevent repository admins from changing anonymous Git read access.

Setting anonymous Git read access for a specific repository

1. From an administrative account on GitHub Enterprise Server, in the upper-right corner of any page, click .

2. If you're not already on the "Site admin" page, in the upper-left corner, click Site admin.

3. Under "Search users, organizations, teams, repositories, gists, and applications", type the name of the repository in the text field. Then to the right of the field, click Search.

   

4. Under "Search results – Repositories", click the name of the repository.

5. In the upper-right corner of the page, click Admin.

   

6. Under "Danger Zone", next to "Enable Anonymous Git read access", click Enable.

   

7. Review the changes. To confirm, click Yes, enable anonymous Git read access.

8. Optionally, to prevent repository admins from changing this setting for this repository, select Prevent repository admins from disabling anonymous Git read access.