Learn More About Threat Signatures
Firewall Threat logs record all threats the firewall detects based on threat signatures (Set Up Antivirus, Anti-Spyware, and Vulnerability Protection) and the ACC displays an overview of the top threats on your network. Each event the firewall records includes an ID that identifies the associated threat signature.
You can use the threat ID found with a Threat log or ACC entry to:
- Find the latest Threat Vault information about a specific threat. Because the Threat Vault is integrated with the firewall, you can view threat details directly in the firewall context or launch a Threat Vault search in a new browser window for a threat the firewall logged.
If a signature has been disabled, the signature UTID might be reused for a new signature.
Review the content update release notes for notifications regarding new and disabled signatures. Signatures might disabled in cases where: the activity the signature detects has fallen out of use by attackers, the signature generated significant false positives, or the signature was consolidated with other like signatures into a single signature (signature optimization).
- Confirm the firewall is connected to the Threat Vault.Selectand edit theDeviceSetupManagementLogging and Reportingsetting toEnable Threat Vault Access. Threat vault access is enabled by default.
- Find the threat ID for threats the firewall detects.
- To see each threat event the firewall detects based on threat signatures, select. You can find the ID for a threat entry listed in the ID column, or select the log entry to view log details, including the Threat ID.MonitorLogsThreat
- To see an overview of top threats on the network, selectand take a look at the Threat Activity widget. The ID column displays the threat ID for each threat displayed.ACCThreat Activity
- To see details for threats that you can configure as threat exceptions (meaning, the firewall enforces the threat differently than the default action defined for the threat signature), select.ObjectsSecurity ProfilesAnti-Spyware/Vulnerability ProtectionAddor modify a profile and click theExceptionstab to view configured exceptions. If no exceptions are configured, you can filter for threat signatures or selectShow all signatures.
- Hover over aThreat Nameor the threatIDto open the drop-down, and clickExceptionto review both the threat details and how the firewall is configured to enforce the threat.For example, find out more about a top threat charted on the ACC:
- Review the latestThreat Detailsfor the threat and launch a Threat Vault search based on the threat ID.
- Threat details displayed include the latest Threat Vault information for the threat, resources you can use to learn more about the threat, and CVEs associated with the threat.
- SelectView in Threat Vaultto open a Threat Vault search in a new window and look up the latest information the Palo Alto Networks threat database has for this threat signature.
- Check if a threat signature is configured as an exception to your security policy.
TheUsed in security rule columndoes not indicate if the Security policy rule is enabled, only if the Security policy rule is configured with the threat exception. Selectto check if an indicated security policy rule is enabled.PoliciesSecurity
- If theUsed in current security rulecolumn is clear, the firewall is enforcing the threat based on the recommended default signature action (for example, block or alert).
- A checkmark anywhere in theUsed in current security rulecolumn indicates that a security policy rule is configured to enforce a non-default action for the threat (for example, allow), based on the associatedExempt Profilessettings.
- Addan IP address on which to filter the threat exception or view existingExempt IP Addresses.Configure an exempt IP address to enforce a threat exception only when the associated session has either a matching source or destination IP address; for all other sessions, the threat is enforced based on the default signature action.
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