ulogd 2.0.7 Logging daemon for netfilter and iptables
ulogd is a userspace logging daemon for netfilter/iptables related logging. This includes per-packet logging of security violations, per-packet logging for accounting, per-flow logging and flexible user-defined accounting.
Packet and flow-based traffic accounting
Flexible user-defined traffic accounting via nfacct infrastructure
SQL database back-end support: SQLite3, PostgreSQL, MySQL
Text-based output formats: CSV, XML, Netfilter's LOG, Netfilter's conntrack