firewall: Apply destination NAT rules for the firewall itself, too.

[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 dd678893738ff22b4ecba6ab886910ef01aeb598..31aa2c9b574e828e7d42c33a238808859f9cf6fb 100644 (file)
--- a/src/initscripts/init.d/firewall
+++ b/src/initscripts/init.d/firewall
@@ -189,14 +189,6 @@ iptables_init() {
        iptables -t nat -N NAT_SOURCE
        iptables -t nat -A POSTROUTING -j NAT_SOURCE
 
-       # RED chain, used for the red interface
-       iptables -N REDINPUT
-       iptables -A INPUT -j REDINPUT
-       iptables -N REDFORWARD
-       iptables -A FORWARD -j REDFORWARD
-       iptables -t nat -N REDNAT
-       iptables -t nat -A POSTROUTING -j REDNAT
-
        # Custom prerouting chains (for transparent proxy)
        iptables -t nat -N SQUID
        iptables -t nat -A PREROUTING -j SQUID
@@ -204,6 +196,26 @@ iptables_init() {
        # DNAT rules
        iptables -t nat -N NAT_DESTINATION
        iptables -t nat -A PREROUTING -j NAT_DESTINATION
+       iptables -t nat -A OUTPUT -j NAT_DESTINATION
+
+       iptables -t mangle -N NAT_DESTINATION
+       iptables -t mangle -A PREROUTING -j NAT_DESTINATION
+
+       iptables -t nat -N NAT_DESTINATION_FIX
+       iptables -t nat -A POSTROUTING -j NAT_DESTINATION_FIX
+
+       iptables -t nat -A NAT_DESTINATION_FIX \
+               -m mark --mark 1 -j SNAT --to-source "${GREEN_ADDRESS}"
+
+       if [ -n "${BLUE_ADDRESS}" ]; then
+               iptables -t nat -A NAT_DESTINATION_FIX \
+                       -m mark --mark 2 -j SNAT --to-source "${BLUE_ADDRESS}"
+       fi
+
+       if [ -n "${ORANGE_ADDRESS}" ]; then
+               iptables -t nat -A NAT_DESTINATION_FIX \
+                       -m mark --mark 3 -j SNAT --to-source "${ORANGE_ADDRESS}"
+       fi
 
        # upnp chain for our upnp daemon
        iptables -t nat -N UPNPFW
@@ -211,6 +223,28 @@ iptables_init() {
        iptables -N UPNPFW
        iptables -A FORWARD -m conntrack --ctstate NEW -j UPNPFW
 
+       # RED chain, used for the red interface
+       iptables -N REDINPUT
+       iptables -A INPUT -j REDINPUT
+       iptables -N REDFORWARD
+       iptables -A FORWARD -j REDFORWARD
+       iptables -t nat -N REDNAT
+       iptables -t nat -A POSTROUTING -j REDNAT
+
+       # Filter logging of incoming broadcasts.
+       iptables -N BROADCAST_FILTER
+       iptables -A INPUT -j BROADCAST_FILTER
+
+       iptables -A BROADCAST_FILTER -i "${GREEN_DEV}" -d "${GREEN_BROADCAST}" -j DROP
+
+       if [ -n "${BLUE_DEV}" -a -n "${BLUE_BROADCAST}" ]; then
+               iptables -A BROADCAST_FILTER -i "${BLUE_DEV}" -d "${BLUE_BROADCAST}" -j DROP
+       fi
+
+       if [ -n "${ORANGE_DEV}" -a -n "${ORANGE_BROADCAST}" ]; then
+               iptables -A BROADCAST_FILTER -i "${ORANGE_DEV}" -d "${ORANGE_BROADCAST}" -j DROP
+       fi
+
        # Apply OpenVPN firewall rules
        /usr/local/bin/openvpnctrl --firewall-rules
 
@@ -278,7 +312,10 @@ iptables_red() {
 
                # Outgoing masquerading (don't masqerade IPSEC (mark 50))
                iptables -t nat -A REDNAT -m mark --mark 50 -o $IFACE -j RETURN
-               iptables -t nat -A REDNAT -o $IFACE -j MASQUERADE
+
+               if [ "$IFACE" != "$GREEN_DEV" ]; then
+                       iptables -t nat -A REDNAT -o $IFACE -j MASQUERADE
+               fi
 
        fi