no-herd dragonheart@gentoo.org Daniel Black pva@gentoo.org Peter Volkov These are patterns (protocol definitions) for the Linux layer 7 packet classifier (l7-filter). To use them, you need the kernel and iptables patches (or l7-filter userspace version) available trough ebuild tree as net-misc/l7-filter and net-firewall/iptables built with l7filter USE flag.