Service tag
A service tag is a provider-managed identifier representing the IP address ranges associated with a category of cloud services.
Microsoft Azure in Action
A service tag is a provider-managed identifier representing a group of cloud service IP address ranges.
- How it is used
- Uses provider-managed service groups in network security group rules instead of hardcoded IP addresses.
- How deep it goes
- Defines service tags and explains their NSG source or destination role, without detailing range-update mechanics.
- Examples
- Uses AppService, AzureLoadBalancer, and Sql as example service tags, including Azure Load Balancer in a default NSG rule.
- What you can do after
- Configure network security group rules that track Azure service ranges without manually maintaining changing IP addresses.
Azure Security
An Azure service tag is a managed identifier representing the IP address prefixes used by a category of Azure services.
- How it is used
- Controls inbound Azure App Service access by grouping changing service IP prefixes behind a named rule.
- How deep it goes
- Explains rule types, priority, limits, and CLI configuration, but stops short of service-tag maintenance internals.
- Examples
- Uses an Azure Front Door rule with AzureFrontDoor.Backend, priority 200, and an x-azure-fdid header.
- What you can do after
- Apply it via Azure CLI to create and inspect a service tag–based App Service access restriction.
Related concepts
- network security groupused by · A network security group is an Azure access-control resource that filters inbound and outbound network traffic using prioritized security rules.
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