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WinterSnowYap
Staff
Staff
October 23, 2025

Technical Tip: Successfull Sniffer packet result for FortiManager remote access

  • October 23, 2025
  • 0 replies
  • 185 views
Description This article describes how to view the sniffer packet results for FortiManager remote access successfully.
Scope FortiManager, FortiGate.
Solution

Below is the scenario:

 

When FortiManager successfully performs remote access, then both sniffer packets can show both way communication between FortiManager and FortiGate.

 

202510_FMG_RemoteAccessFailed_001.jpg

 

At FortiManager, run CLI commands:

 

diagnose fgfm session-list   <-- To get fgfm tunnel IP for FortiGate.

diagnose sniffer packet any "host <fgfm tunnel IP for FortiGate>" 3 0 l

 

At FortiGate, run CLI commands:

 

diagnose sniffer packet any "host <fgfm tunnel IP for FortiManager>" 6 0 l

 

202510_FMG_RemoteAccessFailed_002.jpg

 

Otherwise, the port 8082 connection might be blocked between FortiManager and FortiGate.