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July 16, 2026

Adding Allowlist IP Addresses to Your External Firewall for Omnissa Access Services

When you configure Omnissa Access with an external firewall, allow-list the IP address ranges or URLs for the following Omnissa Access services to provide access to that service.

Use the nslookup command or another command-line tool to query the Domain Name System to obtain the IP addresses to add to your external firewall allow-list. For example, nslookup vapp-updates.omnissa.com.

ServiceDomain Name SystemDescription
Omnissa Access CatalogPlease contact Support for the URL.To make sure that the content of the catalog can be accessed, add the URLs from the list to the allowlist. That content is also delivered through AWS CloudFront CDN, which maintains its own list of public IP addresses. See [http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/LocationsOfEdgeServers.html]
Updates from Omnissa AccessPlease contact Support for the URL.To receive Omnissa Access updates and to download patches from the Update Manager, add the URLs from the list to the allowlist.

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