External Services
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In some cases, Umbraco Cloud might not be the only service you are working with. You might need to work with other services as well - this could be either internal or third-party services. In either case, it will be serviced externally to Umbraco Cloud.
When you are working with an external service that is behind a firewall and that service needs to communicate with your Umbraco Cloud project, you need to make sure the Umbraco Cloud Server IPs are allowed to bypass the firewall.
An example could be, that you're fetching some information from an external service that is behind a firewall. To give your Umbraco Cloud project access to the external service you need to add the IPs used by the Umbraco Cloud servers to an allow list (other services may refer to it as a "whitelist").
For projects on a Standard, Professional, and Enterprise plan you can enable static outbound IP addresses.
On the Advanced page of your project, you can turn on the static outbound IP address feature to ensure persistent communication. This opt-in feature can be switched on for Standard, Professional, and Enterprise Cloud projects.
West Europe
UK South
US East
Australia East
If you need to use a CIDR (Classless Inter-Domain Routing) Range for the IPs: 40.113.173.32/28
The static outbound IP ranges vary per region. Below are the values per region in a (Classless Inter-Domain Routing) notation. The expanded IP ranges can be calculated by using .