Changes in how anchors are named or loaded.
A small ISP running FreeBSD 12.2 attempted to upgrade their kernel to FreeBSD 12.3 via freebsd-update but forgot to run freebsd-update install for userland. Upon reboot, the system failed to load the firewall. The error appeared in /var/log/messages : pf configuration incompatible with pf program version
Did this error occur after a or a source compilation ? Are you running PF inside a jail or container ? Share public link Changes in how anchors are named or loaded
support that are absent or handled differently in the OpenBSD upstream. Final Thoughts The error appeared in /var/log/messages : Did this
program resides in "userland." If the kernel is updated to a newer version that changes the
, several older syntax styles have been deprecated or replaced to match OpenBSD [8]. If you are migrating a configuration, it may need to be rewritten to support new keywords or structure changes [5]. Check for Stale Binaries : If you have manually compiled in the past, ensure the binary in /sbin/pfctl
Then restart PF: