Disclaimer

Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 9.1.6

The earliest recollection of this bug is traced back to PAN-OS 9.1.7 - July 22, 2025. This bug is fixed in PAN-OS versions 9.1.7. Fixed an issue where the firewall dropped GTPv2-x Create Session Response packets with the following error message: bad port 84b . For more information: https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-7-addressed-issues