root@TUX:~# iptables -L Chain Drop (1 references) target prot opt source destination reject tcp -- anywhere anywhere tcp dpt:auth dropBcast all -- anywhere anywhere ACCEPT icmp -- anywhere anywhere icmp fragmentation-needed ACCEPT icmp -- anywhere anywhere icmp time-exceeded dropInvalid all -- anywhere anywhere DROP udp -- anywhere anywhere multiport dports loc-srv,microsoft-ds DROP udp -- anywhere anywhere udp dpts:netbios-ns:netbios-ssn DROP udp -- anywhere anywhere udp spt:netbios-ns dpts:1024:65535 DROP tcp -- anywhere anywhere multiport dports loc-srv,netbios-ssn,microsoft-ds DROP udp -- anywhere anywhere udp dpt:1900 dropNotSyn tcp -- anywhere anywhere DROP udp -- anywhere anywhere udp spt:domain Chain INPUT (policy DROP) target prot opt source destination ACCEPT all -- anywhere anywhere eth0_in all -- anywhere anywhere eth1_in all -- anywhere anywhere Reject all -- anywhere anywhere reject all -- anywhere anywhere Chain FORWARD (policy DROP) target prot opt source destination eth0_fwd all -- anywhere anywhere eth1_fwd all -- anywhere anywhere Reject all -- anywhere anywhere reject all -- anywhere anywhere Chain OUTPUT (policy DROP) target prot opt source destination ACCEPT all -- anywhere anywhere ACCEPT udp -- anywhere anywhere udp dpts:bootps:bootpc fw2loc all -- anywhere anywhere fw2net all -- anywhere anywhere Reject all -- anywhere anywhere reject all -- anywhere anywhere Chain Reject (4 references) target prot opt source destination reject tcp -- anywhere anywhere tcp dpt:auth dropBcast all -- anywhere anywhere ACCEPT icmp -- anywhere anywhere icmp fragmentation-needed ACCEPT icmp -- anywhere anywhere icmp time-exceeded dropInvalid all -- anywhere anywhere reject udp -- anywhere anywhere multiport dports loc-srv,microsoft-ds reject udp -- anywhere anywhere udp dpts:netbios-ns:netbios-ssn reject udp -- anywhere anywhere udp spt:netbios-ns dpts:1024:65535 reject tcp -- anywhere anywhere multiport dports loc-srv,netbios-ssn,microsoft-ds DROP udp -- anywhere anywhere udp dpt:1900 dropNotSyn tcp -- anywhere anywhere DROP udp -- anywhere anywhere udp spt:domain Chain all2all (0 references) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED Reject all -- anywhere anywhere reject all -- anywhere anywhere Chain dropBcast (2 references) target prot opt source destination DROP all -- anywhere anywhere PKTTYPE = broadcast DROP all -- anywhere anywhere PKTTYPE = multicast Chain dropInvalid (2 references) target prot opt source destination DROP all -- anywhere anywhere state INVALID Chain dropNotSyn (2 references) target prot opt source destination DROP tcp -- anywhere anywhere tcp flags:!FIN,SYN,RST,ACK/SYN Chain dynamic (4 references) target prot opt source destination Chain eth0_fwd (1 references) target prot opt source destination dynamic all -- anywhere anywhere state INVALID,NEW loc2net all -- anywhere anywhere Chain eth0_in (1 references) target prot opt source destination dynamic all -- anywhere anywhere state INVALID,NEW loc2fw all -- anywhere anywhere Chain eth1_fwd (1 references) target prot opt source destination dynamic all -- anywhere anywhere state INVALID,NEW net2loc all -- anywhere anywhere Chain eth1_in (1 references) target prot opt source destination dynamic all -- anywhere anywhere state INVALID,NEW ACCEPT udp -- anywhere anywhere udp dpts:bootps:bootpc net2fw all -- anywhere anywhere Chain fw2loc (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT all -- anywhere anywhere Chain fw2net (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT udp -- anywhere anywhere udp dpt:domain ACCEPT tcp -- anywhere anywhere tcp dpt:domain ACCEPT all -- anywhere anywhere Chain loc2fw (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT udp -- anywhere anywhere udp dpt:domain ACCEPT tcp -- anywhere anywhere tcp dpt:domain ACCEPT tcp -- anywhere anywhere tcp dpt:www ACCEPT tcp -- anywhere anywhere tcp dpt:https ACCEPT all -- anywhere anywhere Chain loc2net (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED reject tcp -- anywhere anywhere tcp dpt:1863 ACCEPT all -- anywhere anywhere Chain net2all (2 references) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED Drop all -- anywhere anywhere LOG all -- anywhere anywhere LOG level info prefix `Shorewall:net2all:DROP:' DROP all -- anywhere anywhere Chain net2fw (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT tcp -- anywhere anywhere tcp dpt:ssh net2all all -- anywhere anywhere Chain net2loc (1 references) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT tcp -- anywhere 192.168.1.1 tcp dpt:3389 ACCEPT tcp -- anywhere 192.168.1.1 tcp dpt:ms-sql-s net2all all -- anywhere anywhere Chain reject (11 references) target prot opt source destination DROP all -- anywhere anywhere PKTTYPE = broadcast DROP all -- anywhere anywhere PKTTYPE = multicast DROP all -- 192.168.1.255 anywhere DROP all -- dyn-8191.rbe.bras-03.mbo.dsl.cantv.net anywhere DROP all -- 255.255.255.255 anywhere DROP all -- BASE-ADDRESS.MCAST.NET/4 anywhere REJECT tcp -- anywhere anywhere reject-with tcp-reset REJECT udp -- anywhere anywhere reject-with icmp-port-unreachable REJECT icmp -- anywhere anywhere reject-with icmp-host-unreachable REJECT all -- anywhere anywhere reject-with icmp-host-prohibited Chain shorewall (0 references) target prot opt source destination Chain smurfs (0 references) target prot opt source destination LOG all -- 192.168.1.255 anywhere LOG level info prefix `Shorewall:smurfs:DROP:' DROP all -- 192.168.1.255 anywhere LOG all -- dyn-8191.rbe.bras-03.mbo.dsl.cantv.net anywhere LOG level info prefix `Shorewall:smurfs:DROP:' DROP all -- dyn-8191.rbe.bras-03.mbo.dsl.cantv.net anywhere LOG all -- 255.255.255.255 anywhere LOG level info prefix `Shorewall:smurfs:DROP:' DROP all -- 255.255.255.255 anywhere LOG all -- BASE-ADDRESS.MCAST.NET/4 anywhere LOG level info prefix `Shorewall:smurfs:DROP:' DROP all -- BASE-ADDRESS.MCAST.NET/4 anywhere root@TUX:~#