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Digicert Firewall Rules



Technical Teams, Security Admins, Developers


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When using a Meraki Firewall, Olo Services that are signed by Digicert will not start. Windows times out with a 1053 error. So far we have only seen the issue with Meraki firewalls, but there may be other cases.

Configuring for Digicert

Edit the Meraki Firewall configuration as depicted here:


From Digicert:

Domains and IP address for our OCSP and CRL servers. These are the servers that are checking the certificate to see if it is valid and you will want to add to the firewall.


Digicert contact: DigiCert Support <>



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