fwanalog is a shell script that parses and summarizes firewall logfiles. It currently understands logs from ipf (tested with OpenBSD 2.8s and 2.9s ipf, also FreeBSD, NetBSD and Solaris 8 with ipf), OpenBSD 3.0 pf, Linux 2.2 ipchains, Linux 2.4 iptables and some ZyXEL/NetGear routers.
