Because the standard upgrade procedure for OpenBSD (build kernel, reboot, build userland) creates a window where kernel and userland are mismatched. During that window, the old userland binaries try to interact with the new kernel, and PF's API is particularly sensitive to such mismatches.
: Run the following command in your terminal to see exactly which line is causing the incompatibility: sudo pfctl -vnf /etc/pf.conf flag performs a "no-load" dry run, while provides verbose output to pinpoint the error. Update the Configuration File pf configuration incompatible with pf program version
The solution depends on your specific environment. Choose the path that applies to you. Because the standard upgrade procedure for OpenBSD (build
Check the version of your running kernel against the version of your user-space environment. uname -aK Use code with caution. Check user-land version (on FreeBSD): freebsd-version -u Use code with caution. Update the Configuration File The solution depends on
The "pf configuration incompatible with pf program version" error can have significant implications on network security and functionality: