openSUSE:Leap:15.1 openSUSE Leap 15.1 https://download.opensuse.org/distribution/leap/15.1/repo/oss/ SuSEfirewall2 Stateful Packet Filter Using iptables and netfilter SuSEfirewall2 implements a packet filter that protects hosts and routers by limiting which services or networks are accessible on the host or via the router. SuSEfirewall2 uses the iptables/netfilter packet filtering infrastructure to create a flexible rule set for a stateful firewall.