core186: ship header.pl

[ipfire-2.x.git] / config / firewall / firewall-policy

diff --git a/config/firewall/firewall-policy b/config/firewall/firewall-policy
index 4ba1ace8cec12cee5aab07082e1c8d0cc107a053..21165e9338dc9693a0b2220d9b81dc852d342d59 100755 (executable)
--- a/config/firewall/firewall-policy
+++ b/config/firewall/firewall-policy
@@ -2,7 +2,7 @@
 ###############################################################################
 #                                                                             #
 # IPFire.org - A linux based firewall                                         #
-# Copyright (C) 2013 Alexander Marx <amarx@ipfire.org>                        #
+# Copyright (C) 2007-2019  IPFire Team  <info@ipfire.org>                     #
 #                                                                             #
 # This program is free software: you can redistribute it and/or modify        #
 # it under the terms of the GNU General Public License as published by        #
@@ -57,8 +57,27 @@ HAVE_OPENVPN="true"
 
 # INPUT
 
+# Drop syslog from anywhere but localhost
+# sysklogd cannot bind to specific interface and therefore we need to
+# block access by adding firewall rules
+case "${FWPOLICY}" in
+       REJECT)
+               iptables -A POLICYIN -p udp --dport 514 -j REJECT --reject-with icmp-host-unreachable
+               ;;
+       *)
+               iptables -A POLICYIN -p udp --dport 514 -j DROP
+               ;;
+esac
+
 # Allow access from GREEN
-iptables -A POLICYIN -i "${GREEN_DEV}" -j ACCEPT
+if [ -n "${GREEN_DEV}" ]; then
+       iptables -A POLICYIN -i "${GREEN_DEV}" -j ACCEPT
+fi
+
+# Allow access from BLUE
+if [ "${HAVE_BLUE}" = "true" ] && [ -n "${BLUE_DEV}" ]; then
+       iptables -A POLICYIN -i "${BLUE_DEV}" -j ACCEPT
+fi
 
 # IPsec INPUT
 case "${HAVE_IPSEC},${POLICY}" in
@@ -81,13 +100,13 @@ esac
 case "${FWPOLICY2}" in
        REJECT)
                if [ "${DROPINPUT}" = "on" ]; then
-                       iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "REJECT_INPUT "
+                       iptables -A POLICYIN -m limit --limit 10/second -j LOG --log-prefix "REJECT_INPUT "
                fi
                iptables -A POLICYIN -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_INPUT"
                ;;
        *) # DROP
                if [ "${DROPINPUT}" = "on" ]; then
-                       iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "DROP_INPUT "
+                       iptables -A POLICYIN -m limit --limit 10/second -j LOG --log-prefix "DROP_INPUT "
                fi
                iptables -A POLICYIN -j DROP -m comment --comment "DROP_INPUT"
                ;;
@@ -99,13 +118,13 @@ case "${POLICY}" in
                case "${FWPOLICY}" in
                        REJECT)
                                if [ "${DROPFORWARD}" = "on" ]; then
-                                       iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "REJECT_FORWARD "
+                                       iptables -A POLICYFWD -m limit --limit 10/second -j LOG --log-prefix "REJECT_FORWARD "
                                fi
                                iptables -A POLICYFWD -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_FORWARD"
                                ;;
                        *) # DROP
                                if [ "${DROPFORWARD}" = "on" ]; then
-                                       iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "DROP_FORWARD "
+                                       iptables -A POLICYFWD -m limit --limit 10/second -j LOG --log-prefix "DROP_FORWARD "
                                fi
                                iptables -A POLICYFWD -j DROP -m comment --comment "DROP_FORWARD"
                                ;;
@@ -114,12 +133,14 @@ case "${POLICY}" in
 
        *)
                # Access from GREEN is granted to everywhere
-               if [ "${IFACE}" = "${GREEN_DEV}" ]; then
-                       # internet via green
-                       # don't check source IP/NET if IFACE is GREEN
-                       iptables -A POLICYFWD -i "${GREEN_DEV}" -j ACCEPT
-               else
-                       iptables -A POLICYFWD -i "${GREEN_DEV}" -s "${GREEN_NETADDRESS}/${GREEN_NETMASK}" -j ACCEPT
+               if [ -n "${GREEN_DEV}" ]; then
+                       if [ "${IFACE}" = "${GREEN_DEV}" ]; then
+                               # internet via green
+                               # don't check source IP/NET if IFACE is GREEN
+                               iptables -A POLICYFWD -i "${GREEN_DEV}" -j ACCEPT
+                       else
+                               iptables -A POLICYFWD -i "${GREEN_DEV}" -s "${GREEN_NETADDRESS}/${GREEN_NETMASK}" -j ACCEPT
+                       fi
                fi
 
                # Grant access for IPsec VPN connections
@@ -139,7 +160,7 @@ case "${POLICY}" in
                fi
 
                if [ "${DROPFORWARD}" = "on" ]; then
-                       iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "DROP_FORWARD "
+                       iptables -A POLICYFWD -m limit --limit 10/second -j LOG --log-prefix "DROP_FORWARD "
                fi
                iptables -A POLICYFWD -m comment --comment "DROP_FORWARD" -j DROP
                ;;
@@ -151,13 +172,13 @@ case "${POLICY1}" in
                case "${FWPOLICY1}" in
                        REJECT)
                                if [ "${DROPOUTGOING}" = "on" ]; then
-                                       iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "REJECT_OUTPUT "
+                                       iptables -A POLICYOUT -m limit --limit 10/second -j LOG --log-prefix "REJECT_OUTPUT "
                                fi
                                iptables -A POLICYOUT -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_OUTPUT"
                                ;;
                        *) # DROP
                                if [ "${DROPOUTGOING}" == "on" ]; then
-                                       iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "DROP_OUTPUT "
+                                       iptables -A POLICYOUT -m limit --limit 10/second -j LOG --log-prefix "DROP_OUTPUT "
                                fi
                                iptables -A POLICYOUT -j DROP -m comment --comment "DROP_OUTPUT"
                                ;;