-Azure Firewall Premium provides signature-based IDPS to allow rapid detection of attacks by looking for specific patterns, such as byte sequences in network traffic, or known malicious instruction sequences used by malware. The IDPS signatures are applicable for both application and network-level traffic (Layers 3-7). They're fully managed and continuously updated. IDPS can be applied to inbound, spoke-to-spoke (East-West), and outbound traffic. Spoke-to-spoke (East-West) includes traffic that goes from/to an on-premises network. You can configure your IDPS private IP address ranges using the **Private IP ranges** preview feature. For more information, see [IDPS Private IP ranges](#idps-private-ip-ranges).
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