GlobalProtect user tunnel shows pre-logon IP address instead of dedicated user's IP pool

GlobalProtect user tunnel shows pre-logon IP address instead of dedicated user's IP pool

7429
Created On 05/17/23 16:01 PM - Last Modified 01/25/24 01:55 AM


Symptom


  • GlobalProtect tunnel for users is retained with the IP pool from the "pre-logon" tunnel
  • Security Policies based on source IPs are not correctly applied


Environment


  • Palo Alto Firewalls
  • Supported PAN-OS versions
  • GlobalProtect (GP) Gateway
  • GlobalProtect App
  • Supported client versions
  • Windows Clients


Cause


  • This behavior depends on the value selected for Pre-Logon Tunnel Rename timeout . (Network > GlobalProtect Portals > <portal-config> > Agent > <agent-config> App)
  • If "-1" is entered, GP renames the tunnel to reassign it to the user.
  • However, the tunnel would persist if the renaming fails or if the user does not login to the GP gateway.

 



Resolution


Resolution: 
  1. Select "0" for "Pre-Logon Tunnel Rename timeout" option to terminate the tunnel after user logs in to the machine.
  2. After the user successfully authenticates, a new IP from the dedicated user's IP pool would be assigned.
Workaround
  1. Select Refresh Connection from the GP app, to establish a new tunnel from scratch. 


Additional Information


A value of "1 to 600" for Pre-Logon Tunnel Rename timeout option would keep the tunnel up for the specified time, so that users can authenticate before terminating the pre-logon tunnel.



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