pfctl -sr pfctl: DIOCGETRULES: Device not configured Not configured? That meant PF wasn’t even running. He checked the logs.
Julian’s hands flew. He couldn’t rewrite the whole config at 3:30 AM. He had one shot. pf configuration incompatible with pf program version
Julian leaned back. The problem wasn't malice. It wasn't a hacker. It was a ghost in the machine: a mismatch between the intent of a config (written for a forgiving world) and the reality of a program (now pedantic, unforgiving). pfctl -sr pfctl: DIOCGETRULES: Device not configured Not
He wrote his post-mortem at dawn. Title: "PF_CONFIG_VERSION vs. PF_PROGRAM_VERSION: A Case of Silent Deprecation." Julian’s hands flew
The old PF (the one running on 7.4) had been lenient. It saw the curly braces, expanded the list in memory, and carried on. The new PF was a stricter grammarian. It saw the same syntax, declared it heresy, and refused to load any rules at all. Zero firewall. No state table. No blocking. No logging.