Configure a Certificate Profile
Certificate profiles define user and device authentication for Captive Portal, GlobalProtect, site-to-site IPSec VPN, Mobile Security Manager, and web interface access to Palo Alto Networks firewalls or Panorama. The profiles specify which certificates to use, how to verify certificate revocation status, and how that status constrains access. Configure a certificate profile for each application.
It is a best practice to enable Online Certificate Status Protocol (OCSP) and Certificate Revocation List (CRL) status verification for certificate profiles to verify that the certificate hasn’t been revoked. Enable both OCSP and CRL so that if the OCSP server isn’t available, the firewall uses CRL. For details on these methods, see Certificate Revocation.
- Obtain the certificate authority (CA) certificates you will assign.
- Identify the certificate profile.
- Select DeviceCertificate ManagementCertificates Profile and click Add.
- Enter a Name to identify the profile. The name is case-sensitive, must be unique and can use up to 63 characters on the firewall or up to 31 characters on Panorama that include only letters, numbers, spaces, hyphens, and underscores.
- If the firewall has more than one virtual system (vsys), select a Location (vsys or Shared) for the certificate.
one or more certificates.Perform the following steps for each CA certificate:
- In the CA Certificates table, click Add.
- Select a CA Certificate. Alternatively, to import a certificate, click Import, enter a Certificate Name, Browse to the Certificate File you exported from your enterprise CA, and click OK.
- (Optional) If the firewall uses OCSP to verify
certificate revocation status, configure the following fields to
override the default behavior. For most deployments, these fields
do not apply.
- By default, the firewall uses the “Authority Information Access” (AIA) information from the certificate to extract the OCSP responder information. To override the AIA information, enter a Default OCSP URL (starting with http:// or https://).
- By default, the firewall uses the certificate selected in the CA Certificate field to validate OCSP responses. To use a different certificate for validation, select it in the OCSP Verify CA Certificate field.
- Click OK. The CA Certificates table displays the assigned certificate.
- Define the methods for verifying certificate revocation
status and the associated blocking behavior.
- Select Use CRL and/or Use OCSP. If you select both, the firewall first tries OCSP and falls back to the CRL method only if the OCSP responder is unavailable.
- Depending on the verification method, enter the CRL Receive Timeout and/or OCSP Receive Timeout. These are the intervals (1-60 seconds) after which the firewall stops waiting for a response from the CRL/OCSP service.
- Enter the Certificate Status Timeout.
This is the interval (1-60 seconds) after which the firewall stops
waiting for a response from any certificate status service and applies
any session-blocking logic you define. The Certificate
Status Timeout relates to the OCSP/CRL Receive
Timeout as follows:
- If you enable both OCSP and CRL—The firewall registers a request timeout after the lesser of two intervals passes: the Certificate Status Timeout value or the aggregate of the two Receive Timeout values.
- If you enable only OCSP—The firewall registers a request timeout after the lesser of two intervals passes: the Certificate Status Timeout value or the OCSP Receive Timeout value.
- If you enable only CRL—The firewall registers a request timeout after the lesser of two intervals passes: the Certificate Status Timeout value or the CRL Receive Timeout value.
- If you want the firewall to block sessions when the OCSP or CRL service returns a certificate revocation status of unknown, select Block session if certificate status is unknown. Otherwise, the firewall allows the sessions.
- If you want the firewall to block sessions after it registers an OCSP or CRL request timeout, select Block session if certificate status cannot be retrieved within timeout. Otherwise, the firewall allows the sessions.
- (GlobalProtect only) If you want the firewall to block sessions when the serial number attribute in the subject of the client certificate does not match the host ID that the GlobalProtect app reports for the endpoint, select Block sessions if the certificate was not issued to the authenticating device.
- Click OK and Commit
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