Forward Firewall: cleanup of initscript. Fixes double log entries when INPUT is set...

[people/teissler/ipfire-2.x.git] / src / initscripts / init.d / firewall

diff --git a/src/initscripts/init.d/firewall b/src/initscripts/init.d/firewall
index c51ba35855a1a44ea7d45e2fe5d10fbc0ed19285..7e3248147dc7e5bbcda0ba68a4af0e21cf2881c4 100644 (file)
--- a/src/initscripts/init.d/firewall
+++ b/src/initscripts/init.d/firewall
@@ -149,10 +149,10 @@ case "$1" in
        /sbin/iptables -N CUSTOMFORWARD
        /sbin/iptables -A FORWARD -j CUSTOMFORWARD
        /sbin/iptables -N CUSTOMOUTPUT
+       /sbin/iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
        /sbin/iptables -A OUTPUT -j CUSTOMOUTPUT
        /sbin/iptables -N OUTGOINGFW
        /sbin/iptables -A OUTPUT -j OUTGOINGFW
-       /sbin/iptables -A OUTGOINGFW -m state --state ESTABLISHED,RELATED -j ACCEPT
        /sbin/iptables -t nat -N CUSTOMPREROUTING
        /sbin/iptables -t nat -A PREROUTING -j CUSTOMPREROUTING
        /sbin/iptables -t nat -N CUSTOMPOSTROUTING
@@ -173,6 +173,10 @@ case "$1" in
        /sbin/iptables -A INPUT   -m state --state ESTABLISHED,RELATED -j ACCEPT
        /sbin/iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
        
+       # Accept everything on lo
+       iptables -A INPUT  -i lo -m state --state NEW -j ACCEPT
+       iptables -A OUTPUT -o lo -m state --state NEW -j ACCEPT
+       
        # trafic from ipsecX/TUN/TAP interfaces, before "-i GREEN_DEV" accept everything
        /sbin/iptables -N IPSECINPUT
        /sbin/iptables -N IPSECFORWARD
@@ -188,10 +192,6 @@ case "$1" in
        /sbin/iptables -t nat -A POSTROUTING -j OVPNNAT
        /sbin/iptables -t nat -A POSTROUTING -j IPSECNAT
 
-       # Forward Firewall
-       /sbin/iptables -N FORWARDFW
-       /sbin/iptables -A FORWARD -j FORWARDFW
-
        # Input Firewall
        /sbin/iptables -N INPUTFW
        /sbin/iptables -A INPUT -m state --state NEW -j INPUTFW
@@ -204,13 +204,7 @@ case "$1" in
        /sbin/iptables -A FORWARD -s 127.0.0.0/8 -m state --state NEW -j DROP
        /sbin/iptables -A FORWARD -d 127.0.0.0/8 -m state --state NEW -j DROP
        /sbin/iptables -A INPUT   -i $GREEN_DEV  -m state --state NEW -j ACCEPT ! -p icmp
-       #/sbin/iptables -A FORWARD -i $GREEN_DEV  -m state --state NEW -j ACCEPT
-
-       # If a host on orange tries to initiate a connection to IPFire's red IP and
-       # the connection gets DNATed back through a port forward to a server on orange
-       # we end up with orange -> orange traffic passing through IPFire
-       [ "$ORANGE_DEV" != "" ] && /sbin/iptables -A FORWARD -i $ORANGE_DEV -o $ORANGE_DEV -m state --state NEW -j ACCEPT
-
+       
        # allow DHCP on BLUE to be turned on/off
        /sbin/iptables -N DHCPBLUEINPUT 
        /sbin/iptables -A INPUT -j DHCPBLUEINPUT
@@ -219,8 +213,12 @@ case "$1" in
        /sbin/iptables -N WIRELESSINPUT
        /sbin/iptables -A INPUT -m state --state NEW -j WIRELESSINPUT
        /sbin/iptables -N WIRELESSFORWARD
-       /sbin/iptables -A FORWARDFW -m state --state NEW -j WIRELESSFORWARD
+       /sbin/iptables -A FORWARD -m state --state NEW -j WIRELESSFORWARD
        
+       # Forward Firewall
+       /sbin/iptables -N FORWARDFW
+       /sbin/iptables -A FORWARD -j FORWARDFW
+               
        # PORTFWACCESS chain, used for portforwarding
        /sbin/iptables -N PORTFWACCESS
        /sbin/iptables -A FORWARD -m state --state NEW -j PORTFWACCESS
@@ -238,29 +236,22 @@ case "$1" in
        /sbin/iptables -t nat -A POSTROUTING -j REDNAT
 
        iptables_red
-       
-       # DMZ pinhole chain.  
-       # ORANGE to talk to GREEN / BLUE.
-       if [ "$ORANGE_DEV" != "" ]; then
-               /sbin/iptables -A FORWARD -i $ORANGE_DEV -m state --state NEW -j FORWARDFW
-       fi
-       
+               
        # Custom prerouting chains (for transparent proxy and port forwarding)
        /sbin/iptables -t nat -N SQUID
        /sbin/iptables -t nat -A PREROUTING -j SQUID
-       /sbin/iptables -t nat -N PORTFW
-       /sbin/iptables -t nat -A PREROUTING -j PORTFW
-
+       /sbin/iptables -t nat -N NAT_DESTINATION
+       /sbin/iptables -t nat -N NAT_SOURCE
+       /sbin/iptables -t nat -A PREROUTING -j NAT_DESTINATION
+       /sbin/iptables -t nat -A POSTROUTING -j NAT_SOURCE
+       
+       
        # upnp chain for our upnp daemon
        /sbin/iptables -t nat -N UPNPFW
        /sbin/iptables -t nat -A PREROUTING -j UPNPFW
        /sbin/iptables -N UPNPFW
        /sbin/iptables -A FORWARD -m state --state NEW -j UPNPFW
 
-       # Custom mangle chain (for port fowarding)
-       /sbin/iptables -t mangle -N PORTFWMANGLE
-       /sbin/iptables -t mangle -A PREROUTING -j PORTFWMANGLE
-
        # Postrouting rules (for port forwarding)
        /sbin/iptables -t nat -A POSTROUTING -m mark --mark 1 -j SNAT \
         --to-source $GREEN_ADDRESS
@@ -276,17 +267,6 @@ case "$1" in
                /etc/sysconfig/firewall.local start
        fi
        
-       # last rule in input and forward chain is for logging.
-
-       if [ "$DROPINPUT" == "on" ]; then
-               /sbin/iptables -A INPUT -m limit --limit 10/minute -j LOG --log-prefix "DROP_INPUT "
-       fi
-       /sbin/iptables -A INPUT -j DROP -m comment --comment "DROP_INPUT"
-       #if [ "$DROPFORWARD" == "on" ]; then
-       #       /sbin/iptables -A FORWARD -m limit --limit 10/minute -j LOG --log-prefix "DROP_FORWARD "
-       #fi
-       #/sbin/iptables -A FORWARD -j DROP -m comment --comment "DROP_FORWARD"
-       
        #POLICY CHAIN
        /sbin/iptables -N POLICYIN
        /sbin/iptables -A INPUT -j POLICYIN
@@ -350,7 +330,6 @@ case "$1" in
        $0 stop
        $0 start
        /usr/local/bin/forwardfwctrl
-       /usr/local/bin/setportfw
        /usr/local/bin/openvpnctrl -s > /dev/null 2>&1
        /usr/local/bin/openvpnctrl -sn2n > /dev/null 2>&1
        ;;