Pf Configuration: Incompatible With Pf Program Version //free\\

During a major or minor OS upgrade (e.g., upgrading FreeBSD from 13.x to 14.x), the user-space utilities are often installed before the system reboots into the new kernel. If the boot process invokes pfctl while the old kernel is still active, the binary will look for new kernel structures that do not yet exist. 2. Mismatched Source Trees and Custom Kernels

How to Fix "PF Configuration Incompatible with PF Program Version" pf configuration incompatible with pf program version

This is the most effective fix. Rebooting ensures the system loads the latest kernel that matches the updated pfctl program. During a major or minor OS upgrade (e