pre-firewall: added ovpnnat to firewallscript

[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 62da3120bce7cb2ba05b63a65dba7006597481ee..844618a304161639f8c571ef5a143cadcc728104 100644 (file)
--- a/src/initscripts/init.d/firewall
+++ b/src/initscripts/init.d/firewall
@@ -53,6 +53,9 @@ iptables_init() {
        # Chain to contain all the rules relating to bad TCP flags
        /sbin/iptables -N BADTCP
 
+       #Don't check loopback
+       /sbin/iptables -A BADTCP -i lo -j RETURN
+
        # Disallow packets frequently used by port-scanners
        # nmap xmas
        /sbin/iptables -A BADTCP -p tcp --tcp-flags ALL FIN,URG,PSH  -j PSCAN
@@ -101,8 +104,7 @@ iptables_red() {
                # This rule enables a host on ORANGE network to connect to the outside
                # (only if we have a red connection)
                if [ "$IFACE" != "" ]; then
-                       /sbin/iptables -A REDFORWARD -i $ORANGE_DEV -p tcp -o $IFACE -j ACCEPT
-                       /sbin/iptables -A REDFORWARD -i $ORANGE_DEV -p udp -o $IFACE -j ACCEPT
+                       /sbin/iptables -A REDFORWARD -i $ORANGE_DEV -o $IFACE -j ACCEPT
                fi
        fi
 
@@ -117,7 +119,8 @@ iptables_red() {
                        /sbin/iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i $IFACE -j ACCEPT
                fi
 
-               # Outgoing masquerading
+               # Outgoing masquerading (don't masqerade IPSEC (mark 50))
+               /sbin/iptables -t nat -A REDNAT -m mark --mark 50 -o $IFACE -j RETURN
                /sbin/iptables -t nat -A REDNAT -o $IFACE -j MASQUERADE
 
        fi
@@ -132,7 +135,7 @@ case "$1" in
        # original do nothing line
        #/sbin/iptables -A INPUT -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN -m limit --limit 10/sec
        # the correct one, but the negative '!' do nothing...
-       #/sbin/iptables -A INPUT -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN -m limit ! --limit 10/sec -j DROP
+       #/sbin/iptables -A INPUT -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN ! -m limit --limit 10/sec -j DROP
 
        # Fix for braindead ISP's
        /sbin/iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
@@ -140,17 +143,27 @@ case "$1" in
        # CUSTOM chains, can be used by the users themselves
        /sbin/iptables -N CUSTOMINPUT
        /sbin/iptables -A INPUT -j CUSTOMINPUT
+       /sbin/iptables -N GUARDIAN
+       /sbin/iptables -A INPUT -j GUARDIAN
+       /sbin/iptables -A FORWARD -j GUARDIAN
        /sbin/iptables -N CUSTOMFORWARD
        /sbin/iptables -A FORWARD -j CUSTOMFORWARD
        /sbin/iptables -N CUSTOMOUTPUT
        /sbin/iptables -A OUTPUT -j CUSTOMOUTPUT
        /sbin/iptables -N OUTGOINGFW
+       /sbin/iptables -N OUTGOINGFWMAC
        /sbin/iptables -A OUTPUT -j OUTGOINGFW
        /sbin/iptables -t nat -N CUSTOMPREROUTING
        /sbin/iptables -t nat -A PREROUTING -j CUSTOMPREROUTING
        /sbin/iptables -t nat -N CUSTOMPOSTROUTING
        /sbin/iptables -t nat -A POSTROUTING -j CUSTOMPOSTROUTING
 
+       # IPTV chains for IGMPPROXY
+       /sbin/iptables -N IPTVINPUT
+       /sbin/iptables -A INPUT -j IPTVINPUT
+       /sbin/iptables -N IPTVFORWARD
+       /sbin/iptables -A FORWARD -j IPTVFORWARD
+
        # filtering from GUI
        /sbin/iptables -N GUIINPUT
        /sbin/iptables -A INPUT -j GUIINPUT
@@ -161,24 +174,31 @@ case "$1" in
        /sbin/iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
        
        # trafic from ipsecX/TUN/TAP interfaces, before "-i GREEN_DEV" accept everything
-       /sbin/iptables -N IPSECVIRTUAL
+       /sbin/iptables -N IPSECINPUT
+       /sbin/iptables -N IPSECFORWARD
+       /sbin/iptables -N IPSECOUTPUT
        /sbin/iptables -N OPENSSLVIRTUAL
-       /sbin/iptables -A INPUT -j IPSECVIRTUAL -m comment --comment "IPSECVIRTUAL INPUT"
+       /sbin/iptables -A INPUT -j IPSECINPUT
        /sbin/iptables -A INPUT -j OPENSSLVIRTUAL -m comment --comment "OPENSSLVIRTUAL INPUT"
-       /sbin/iptables -A FORWARD -j IPSECVIRTUAL -m comment --comment "IPSECVIRTUAL FORWARD"
+       /sbin/iptables -A FORWARD -j IPSECFORWARD
        /sbin/iptables -A FORWARD -j OPENSSLVIRTUAL -m comment --comment "OPENSSLVIRTUAL FORWARD"
-       
+       /sbin/iptables -A OUTPUT -j IPSECOUTPUT
+       /sbin/iptables -t nat -N OVPNNAT
+       /sbin/iptables -t nat -N IPSECNAT
+       /sbin/iptables -t nat -A POSTROUTING -j OVPNNAT
+       /sbin/iptables -t nat -A POSTROUTING -j IPSECNAT
+
        # Outgoing Firewall
-       /sbin/iptables -A FORWARD -j OUTGOINGFW
+       /sbin/iptables -A FORWARD -j OUTGOINGFWMAC
 
        # localhost and ethernet.
-       /sbin/iptables -A INPUT   -i lo          -m state --state NEW -j ACCEPT
+       /sbin/iptables -A INPUT   -i lo -m state --state NEW -j ACCEPT
        /sbin/iptables -A INPUT   -s 127.0.0.0/8 -m state --state NEW -j DROP   # Loopback not on lo
        /sbin/iptables -A INPUT   -d 127.0.0.0/8 -m state --state NEW -j DROP
-       /sbin/iptables -A FORWARD -i lo          -m state --state NEW -j ACCEPT
+       /sbin/iptables -A FORWARD -i lo -m state --state NEW -j ACCEPT
        /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 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
@@ -190,10 +210,6 @@ case "$1" in
        /sbin/iptables -N DHCPBLUEINPUT 
        /sbin/iptables -A INPUT -j DHCPBLUEINPUT
 
-       # IPSec
-       /sbin/iptables -N IPSECPHYSICAL
-       /sbin/iptables -A INPUT -j IPSECPHYSICAL
-
        # OPenSSL
        /sbin/iptables -N OPENSSLPHYSICAL
        /sbin/iptables -A INPUT -j OPENSSLPHYSICAL
@@ -238,7 +254,8 @@ case "$1" in
        # 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
@@ -320,7 +337,9 @@ case "$1" in
        ;;
   restart)
        $0 stop
+       $0 stopovpn
        $0 start
+       $0 startovpn
        ;;
   *)
         echo "Usage: $0 {start|stop|reload|restart}"