# Engine Editor > VPN > Certificates

Use this branch to change settings for automatic certificate management and trusted certificate authorities for VPNs.

Option | Definition
--- | ---
Automated RSA Certificate Management | When selected, RSA certificates are automatically created and renewed. Note: Only the default certificate authority is used in automated RSA certificate management.
Trusted VPN Certificate Authorities | Restricts which certificate authorities the VPN gateway trusts. Trust all — The VPN gateway trusts all certificate authorities. This option is the default setting. Trust only selected — The VPN gateway trusts only the certificate authorities that you select in the table.