Windows Security Log Event ID 5157

5157: The Windows Filtering Platform has blocked a connection

On this page

• Description of this event
• Field level details
• Examples

This event documents each time WFP allows a program to connect to another process (on the same or a remote computer) on a TCP or UDP port.

The above example is of WFP allowing the DNS Server service to connect to the DNS client on the same computer.

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Description Fields in 5157

Application Information:

• Process ID:  Process ID specified when the executable started as logged in 4688.
• Application Name: The program executable on this computer's side of the packet transmission.

Network Information:

• Direction:
• Source Address:
• Source Port:
• Destination Address:
• Destination Port:
• Protocol:

Filter Information:

• Filter Run-Time ID:
• Layer Name:
• Layer Run-Time ID:

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Mini-Seminars Covering Event ID 5157 How to Monitor Network Activity with the Windows Security & Firewall Logs to Detect Inbound and Outbound Attacks 5 Indicators of Evil on Windows Hosts using Endpoint Threat Detection and Response XPath Deep Dive: Building Advanced Filters for Windows Event Collection

 

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