move target/default/target_skeleton into package/base-files, put all the default files in ipkg packages, cleanup some junk in toolchain/, toolchain/ no longer changes build_mipsel/root

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1494 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 27 insertions, 0 deletions

diff --git a/package/base-files/default/etc/firewall.user b/package/base-files/default/etc/firewall.user
new file mode 100755
index 000000000..1781bd4ea
--- /dev/null
+++ b/package/base-files/default/etc/firewall.user
@@ -0,0 +1,27 @@
+#!/bin/sh
+. /etc/functions.sh
+
+WAN=$(nvram get wan_ifname)
+LAN=$(nvram get lan_ifname)
+
+iptables -F input_rule
+iptables -F output_rule
+iptables -F forwarding_rule
+iptables -t nat -F prerouting_rule
+iptables -t nat -F postrouting_rule
+
+### BIG FAT DISCLAIMER
+### The "-i $WAN" literally means packets that came in over the $WAN interface;
+### this WILL NOT MATCH packets sent from the LAN to the WAN address.
+
+### Allow SSH from WAN
+# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j ACCEPT 
+# iptables        -A input_rule      -i $WAN -p tcp --dport 22 -j ACCEPT
+
+### Port forwarding
+# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j DNAT --to 192.168.1.2
+# iptables        -A forwarding_rule -i $WAN -p tcp --dport 22 -d 192.168.1.2 -j ACCEPT
+
+### DMZ (should be placed after port forwarding / accept rules)
+# iptables -t nat -A prerouting_rule -i $WAN -j DNAT --to 192.168.1.2
+# iptables        -A forwarding_rule -i $WAN -d 192.168.1.2 -j ACCEPT