Shorewall ubuntu 10.04

#ZONE   INTERFACE       BROADCAST       OPTIONS
net     eth0            detect          norfc1918
loc     eth1            detect

#INTERFACE              SOURCE          ADDRESS         PROTO   PORT(S) IPSEC   MARK
eth0    eth0

#SOURCE         DEST            POLICY          LOG LEVEL       LIMIT:BURST
fw              all             ACCEPT
loc             net             ACCEPT
net             all             DROP            info
# THE FOLLOWING POLICY MUST BE LAST
all             all             REJECT          info

#ACTION         SOURCE          DEST            PROTO   DEST    SOURCE          ORIGINAL        RATE            USER/   MARK
#                                                       PORT    PORT(S)         DEST            LIMIT           GROUP
#
#       Accept DNS connections from the firewall to the network
#
DNS(ACCEPT)     $FW             net
DNS(ACCEPT)     $FW             loc
#       Accept SSH connections from the local network for administration
#
SSH(ACCEPT)     all             $FW
ACCEPT          all             $FW             tcp     10022
#
#       Allow Ping from the local network
#
Ping(ACCEPT)    loc             $FW

#
# Drop Ping from the "bad" net zone.. and prevent your log from being flooded..
#

Ping(DROP)      net             $FW

ACCEPT          $FW             loc             icmp
ACCEPT          $FW             net             icmp

#
#HTTP
ACCEPT          loc             $FW             tcp     www
ACCEPT          all             $FW             tcp     https
ACCEPT          all             $FW             udp     53
ACCEPT          all             $FW             tcp     53

# Generated by iptables-save v1.4.4 on Sat Jun 12 00:19:05 2010
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT DROP [0:0]
:Drop - [0:0]
:Reject - [0:0]
:blacklst - [0:0]
:dropBcast - [0:0]
:dropInvalid - [0:0]
:dropNotSyn - [0:0]
:dynamic - [0:0]
:fw2loc - [0:0]
:fw2net - [0:0]
:loc2fw - [0:0]
:loc2net - [0:0]
:logdrop - [0:0]
:logflags - [0:0]
:logreject - [0:0]
:net2fw - [0:0]
:net2loc - [0:0]
:reject - [0:0]
:shorewall - [0:0]
:smurfs - [0:0]
:tcpflags - [0:0]
-A INPUT -m state --state INVALID,NEW -j dynamic 
-A INPUT -i eth0 -j net2fw 
-A INPUT -i eth1 -j loc2fw 
-A INPUT -i lo -j ACCEPT 
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A INPUT -j Reject 
-A INPUT -j LOG --log-prefix "Shorewall:INPUT:REJECT:" --log-level 6 
-A INPUT -g reject 
-A FORWARD -m state --state INVALID,NEW -j dynamic 
-A FORWARD -i eth0 -o eth1 -j net2loc 
-A FORWARD -i eth1 -o eth0 -j loc2net 
-A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A FORWARD -j Reject 
-A FORWARD -j LOG --log-prefix "Shorewall:FORWARD:REJECT:" --log-level 6 
-A FORWARD -g reject 
-A OUTPUT -o eth0 -j fw2net 
-A OUTPUT -o eth1 -j fw2loc 
-A OUTPUT -o lo -j ACCEPT 
-A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A OUTPUT -j ACCEPT 
-A Drop 
-A Drop -p tcp -m tcp --dport 113 -m comment --comment "Auth" -j reject 
-A Drop -j dropBcast 
-A Drop -p icmp -m icmp --icmp-type 3/4 -m comment --comment "Needed ICMP types" -j ACCEPT 
-A Drop -p icmp -m icmp --icmp-type 11 -m comment --comment "Needed ICMP types" -j ACCEPT 
-A Drop -j dropInvalid 
-A Drop -p udp -m multiport --dports 135,445 -m comment --comment "SMB" -j DROP 
-A Drop -p udp -m udp --dport 137:139 -m comment --comment "SMB" -j DROP 
-A Drop -p udp -m udp --sport 137 --dport 1024:65535 -m comment --comment "SMB" -j DROP 
-A Drop -p tcp -m multiport --dports 135,139,445 -m comment --comment "SMB" -j DROP 
-A Drop -p udp -m udp --dport 1900 -m comment --comment "UPnP" -j DROP 
-A Drop -p tcp -j dropNotSyn 
-A Drop -p udp -m udp --sport 53 -m comment --comment "Late DNS Replies" -j DROP 
-A Reject 
-A Reject -p tcp -m tcp --dport 113 -m comment --comment "Auth" -j reject 
-A Reject -j dropBcast 
-A Reject -p icmp -m icmp --icmp-type 3/4 -m comment --comment "Needed ICMP types" -j ACCEPT 
-A Reject -p icmp -m icmp --icmp-type 11 -m comment --comment "Needed ICMP types" -j ACCEPT 
-A Reject -j dropInvalid 
-A Reject -p udp -m multiport --dports 135,445 -m comment --comment "SMB" -j reject 
-A Reject -p udp -m udp --dport 137:139 -m comment --comment "SMB" -j reject 
-A Reject -p udp -m udp --sport 137 --dport 1024:65535 -m comment --comment "SMB" -j reject 
-A Reject -p tcp -m multiport --dports 135,139,445 -m comment --comment "SMB" -j reject 
-A Reject -p udp -m udp --dport 1900 -m comment --comment "UPnP" -j DROP 
-A Reject -p tcp -j dropNotSyn 
-A Reject -p udp -m udp --sport 53 -m comment --comment "Late DNS Replies" -j DROP 
-A dropBcast -m addrtype --dst-type BROADCAST -j DROP 
-A dropBcast -d 224.0.0.0/4 -j DROP 
-A dropInvalid -m state --state INVALID -j DROP 
-A dropNotSyn -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -j DROP 
-A fw2loc -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A fw2loc -p udp -m udp --dport 53 -m comment --comment "DNS" -j ACCEPT 
-A fw2loc -p tcp -m tcp --dport 53 -m comment --comment "DNS" -j ACCEPT 
-A fw2loc -p icmp -j ACCEPT 
-A fw2loc -j ACCEPT 
-A fw2net -p udp -m udp --dport 67:68 -j ACCEPT 
-A fw2net -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A fw2net -p udp -m udp --dport 53 -m comment --comment "DNS" -j ACCEPT 
-A fw2net -p tcp -m tcp --dport 53 -m comment --comment "DNS" -j ACCEPT 
-A fw2net -p icmp -j ACCEPT 
-A fw2net -j ACCEPT 
-A loc2fw -p tcp -j tcpflags 
-A loc2fw -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A loc2fw -p tcp -m tcp --dport 22 -m comment --comment "SSH" -j ACCEPT 
-A loc2fw -p tcp -m tcp --dport 10022 -j ACCEPT 
-A loc2fw -p icmp -m icmp --icmp-type 8 -m comment --comment "Ping" -j ACCEPT 
-A loc2fw -p tcp -m tcp --dport 80 -j ACCEPT 
-A loc2fw -p tcp -m tcp --dport 443 -j ACCEPT 
-A loc2fw -p udp -m udp --dport 53 -j ACCEPT 
-A loc2fw -p tcp -m tcp --dport 53 -j ACCEPT 
-A loc2fw -j Reject 
-A loc2fw -j LOG --log-prefix "Shorewall:loc2fw:REJECT:" --log-level 6 
-A loc2fw -g reject 
-A loc2net -p tcp -j tcpflags 
-A loc2net -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A loc2net -j ACCEPT 
-A logdrop -j DROP 
-A logflags -j LOG --log-prefix "Shorewall:logflags:DROP:" --log-level 6 --log-ip-options 
-A logflags -j DROP 
-A logreject -j reject 
-A net2fw -m state --state INVALID,NEW -j blacklst 
-A net2fw -m state --state INVALID,NEW -j smurfs 
-A net2fw -p udp -m udp --dport 67:68 -j ACCEPT 
-A net2fw -p tcp -j tcpflags 
-A net2fw -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A net2fw -p tcp -m tcp --dport 22 -m comment --comment "SSH" -j ACCEPT 
-A net2fw -p tcp -m tcp --dport 10022 -j ACCEPT 
-A net2fw -p icmp -m icmp --icmp-type 8 -m comment --comment "Ping" -j DROP 
-A net2fw -p tcp -m tcp --dport 80 -j ACCEPT 
-A net2fw -p tcp -m tcp --dport 443 -j ACCEPT 
-A net2fw -p tcp -m tcp --dport 25 -j ACCEPT 
-A net2fw -p tcp -m tcp --dport 110 -j ACCEPT 
-A net2fw -p tcp -m tcp --dport 25 -j ACCEPT 
-A net2fw -p udp -m udp --dport 53 -j ACCEPT 
-A net2fw -p tcp -m tcp --dport 53 -j ACCEPT 
-A net2fw -j Drop 
-A net2fw -j LOG --log-prefix "Shorewall:net2fw:DROP:" --log-level 6 
-A net2fw -j DROP 
-A net2loc -m state --state INVALID,NEW -j blacklst 
-A net2loc -m state --state INVALID,NEW -j smurfs 
-A net2loc -p tcp -j tcpflags 
-A net2loc -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A net2loc -j Drop 
-A net2loc -j LOG --log-prefix "Shorewall:net2loc:DROP:" --log-level 6 
-A net2loc -j DROP 
-A reject -m addrtype --src-type BROADCAST -j DROP 
-A reject -s 224.0.0.0/4 -j DROP 
-A reject -p igmp -j DROP 
-A reject -p tcp -j REJECT --reject-with tcp-reset 
-A reject -p udp -j REJECT --reject-with icmp-port-unreachable 
-A reject -p icmp -j REJECT --reject-with icmp-host-unreachable 
-A reject -j REJECT --reject-with icmp-host-prohibited 
-A smurfs -s 0.0.0.0/32 -j RETURN 
-A smurfs -m addrtype --src-type BROADCAST -j LOG --log-prefix "Shorewall:smurfs:DROP:" --log-level 6 
-A smurfs -m addrtype --src-type BROADCAST -j DROP 
-A smurfs -s 224.0.0.0/4 -j LOG --log-prefix "Shorewall:smurfs:DROP:" --log-level 6 
-A smurfs -s 224.0.0.0/4 -j DROP 
-A tcpflags -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j logflags 
-A tcpflags -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j logflags 
-A tcpflags -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j logflags 
-A tcpflags -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j logflags 
-A tcpflags -p tcp -m tcp --sport 0 --tcp-flags FIN,SYN,RST,ACK SYN -j logflags 
COMMIT
# Completed on Sat Jun 12 00:19:05 2010
# Generated by iptables-save v1.4.4 on Sat Jun 12 00:19:05 2010
*mangle
:PREROUTING ACCEPT [26:3685]
:INPUT ACCEPT [21:1464]
:FORWARD ACCEPT [5:2221]
:OUTPUT ACCEPT [16:1840]
:POSTROUTING ACCEPT [21:4061]
:tcfor - [0:0]
:tcout - [0:0]
:tcpost - [0:0]
:tcpre - [0:0]
-A PREROUTING -j tcpre 
-A FORWARD -j MARK --set-xmark 0x0/0xffffffff 
-A FORWARD -j tcfor 
-A OUTPUT -j tcout 
-A POSTROUTING -j tcpost 
COMMIT
# Completed on Sat Jun 12 00:19:05 2010
# Generated by iptables-save v1.4.4 on Sat Jun 12 00:19:05 2010
*nat
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:eth0_masq - [0:0]
-A POSTROUTING -o eth0 -j eth0_masq 
-A eth0_masq -s 85.228.192.0/20 -j MASQUERADE 
COMMIT
# Completed on Sat Jun 12 00:19:05 2010
# Generated by iptables-save v1.4.4 on Sat Jun 12 00:19:05 2010
*raw
:PREROUTING ACCEPT [26:3685]
:OUTPUT ACCEPT [16:1840]
COMMIT
# Completed on Sat Jun 12 00:19:05 2010