# Hardening security for your enterprise

You can configure features and settings to harden security for your enterprise.

## Links

* [/configuring-tls](/en/enterprise-cloud@latest/configuring-tls)

* [/configuring-tls-and-ssh-ciphers](/en/enterprise-cloud@latest/configuring-tls-and-ssh-ciphers)

* [/troubleshooting-tls-errors](/en/enterprise-cloud@latest/troubleshooting-tls-errors)

* [/enabling-private-mode](/en/enterprise-cloud@latest/enabling-private-mode)

* [/enabling-subdomain-isolation](/en/enterprise-cloud@latest/enabling-subdomain-isolation)

* [/configuring-host-keys-for-your-instance](/en/enterprise-cloud@latest/configuring-host-keys-for-your-instance)

* [/configuring-ssh-connections-to-your-instance](/en/enterprise-cloud@latest/configuring-ssh-connections-to-your-instance)

* [/configuring-the-referrer-policy-for-your-enterprise](/en/enterprise-cloud@latest/configuring-the-referrer-policy-for-your-enterprise)

* [Restricting network traffic to your enterprise with an IP allow list](/en/enterprise-cloud@latest/admin/configuring-settings/hardening-security-for-your-enterprise/restricting-network-traffic-to-your-enterprise-with-an-ip-allow-list)

  You can restrict access to your enterprise and only allow access to your resources from specified IP addresses by using an IP allow list.

* [Restricting access to GitHub.com using a corporate proxy](/en/enterprise-cloud@latest/admin/configuring-settings/hardening-security-for-your-enterprise/restricting-access-to-githubcom-using-a-corporate-proxy)

  Configure your proxy to block people from accessing GitHub.com with personal accounts.