Application page doesn't load via clientless VPN Portal after upgrading the firewall to 10.2.x
1097
Created On 07/23/23 23:14 PM - Last Modified 03/21/25 20:24 PM
Symptom
- Application accessed through clientless VPN portal doesn't load after the pan-OS upgraded to 10.2.X
- It works fine on the firewall running pan-OS 9.1.X
Environment
- GlobalProtect clientless VPN Portal
- Pan-OS 10.1.2 and above
Cause
The issue is caused by gzip encoding which was introduced in 10.1.2
Resolution
- Use the gzip controller which was introduced since 10.1.8 to turn off the gzip encoding feature.
- Run the below command to turn off the gzip encoding feature.
> debug global-protect portal clientlessvpn gzip-encoding off
> debug global-protect portal clientlessvpn gzip-encoding show