Prohibited Network Traffic Allowed

Description

This search looks for network traffic defined by port and transport layer protocol in the Enterprise Security lookup table "lookupinterestingports", that is marked as prohibited, and has an associated 'allow' action in the Network_Traffic data model. This could be indicative of a misconfigured network device.

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Prohibited Network Traffic Allowed Help

In order to properly run this search, Splunk needs to ingest data from firewalls or other network control devices that mediate the traffic allowed into an environment. This is necessary so that the search can identify an 'action' taken on the traffic of interest. The search requires the Network_Traffic data model be populated.

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