py-PF is a pure-Python module for managing OpenBSD's Packet Filter. It aims to combine the flexibility of PF's C API and the power of Python, making it easier to manage PF data and to integrate firewalling capabilities in more complex applications.
IPFC is a distributed management solution for security module (firewall, nids). Security module can be packet-filtering (ipfw,netfilter,ipf ...), NIDS or any other servers (syslog...) or embedded devices.