diff options
Diffstat (limited to 'package/firewall/files/old/firewall.init')
| -rwxr-xr-x | package/firewall/files/old/firewall.init | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/package/firewall/files/old/firewall.init b/package/firewall/files/old/firewall.init deleted file mode 100755 index 0da97f836f..0000000000 --- a/package/firewall/files/old/firewall.init +++ /dev/null @@ -1,142 +0,0 @@ -#!/bin/sh /etc/rc.common -# Copyright (C) 2006 OpenWrt.org - -## Please make changes in /etc/firewall.user -START=45 -start() { - include /lib/network - scan_interfaces - - config_get WAN wan ifname - config_get WANDEV wan device - config_get LAN lan ifname - config_get_bool NAT_LAN lan nat 1 - if [ $NAT_LAN -ne 0 ] - then - config_get LAN_MASK lan netmask - config_get LAN_IP lan ipaddr - LAN_NET=$(/bin/ipcalc.sh $LAN_IP $LAN_MASK | grep NETWORK | cut -d= -f2) - fi - - ## CLEAR TABLES - for T in filter nat; do - iptables -t $T -F - iptables -t $T -X - done - - iptables -N input_rule - iptables -N input_wan - iptables -N output_rule - iptables -N forwarding_rule - iptables -N forwarding_wan - - iptables -t nat -N NEW - iptables -t nat -N prerouting_rule - iptables -t nat -N prerouting_wan - iptables -t nat -N postrouting_rule - - iptables -N LAN_ACCEPT - [ -z "$WAN" ] || iptables -A LAN_ACCEPT -i "$WAN" -j RETURN - [ -z "$WANDEV" -o "$WANDEV" = "$WAN" ] || iptables -A LAN_ACCEPT -i "$WANDEV" -j RETURN - iptables -A LAN_ACCEPT -j ACCEPT - - ### INPUT - ### (connections with the router as destination) - - # base case - iptables -P INPUT DROP - iptables -A INPUT -m state --state INVALID -j DROP - iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT - iptables -A INPUT -p tcp --tcp-flags SYN SYN --tcp-option \! 2 -j DROP - - # - # insert accept rule or to jump to new accept-check table here - # - iptables -A INPUT -j input_rule - [ -z "$WAN" ] || iptables -A INPUT -i $WAN -j input_wan - - # allow - iptables -A INPUT -j LAN_ACCEPT # allow from lan/wifi interfaces - iptables -A INPUT -p icmp -j ACCEPT # allow ICMP - iptables -A INPUT -p gre -j ACCEPT # allow GRE - - # reject (what to do with anything not allowed earlier) - iptables -A INPUT -p tcp -j REJECT --reject-with tcp-reset - iptables -A INPUT -j REJECT --reject-with icmp-port-unreachable - - ### OUTPUT - ### (connections with the router as source) - - # base case - iptables -P OUTPUT DROP - iptables -A OUTPUT -m state --state INVALID -j DROP - iptables -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT - - # - # insert accept rule or to jump to new accept-check table here - # - iptables -A OUTPUT -j output_rule - - # allow - iptables -A OUTPUT -j ACCEPT #allow everything out - - # reject (what to do with anything not allowed earlier) - iptables -A OUTPUT -p tcp -j REJECT --reject-with tcp-reset - iptables -A OUTPUT -j REJECT --reject-with icmp-port-unreachable - - ### FORWARDING - ### (connections routed through the router) - - # base case - iptables -P FORWARD DROP - iptables -A FORWARD -m state --state INVALID -j DROP - iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu - iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT - - # - # insert accept rule or to jump to new accept-check table here - # - iptables -A FORWARD -j forwarding_rule - [ -z "$WAN" ] || iptables -A FORWARD -i $WAN -j forwarding_wan - - # allow - iptables -A FORWARD -i $LAN -o $LAN -j ACCEPT - [ -z "$WAN" ] || iptables -A FORWARD -i $LAN -o $WAN -j ACCEPT - - # reject (what to do with anything not allowed earlier) - # uses the default -P DROP - - ### MASQ - iptables -t nat -A PREROUTING -m state --state NEW -p tcp -j NEW - iptables -t nat -A PREROUTING -j prerouting_rule - [ -z "$WAN" ] || iptables -t nat -A PREROUTING -i "$WAN" -j prerouting_wan - iptables -t nat -A POSTROUTING -j postrouting_rule - ### Only LAN, unless told not to - if [ $NAT_LAN -ne 0 ] - then - [ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src $LAN_NET/$LAN_MASK -o $WAN -j MASQUERADE - fi - - iptables -t nat -A NEW -m limit --limit 50 --limit-burst 100 -j RETURN && \ - iptables -t nat -A NEW -j DROP - - ## USER RULES - [ -f /etc/firewall.user ] && . /etc/firewall.user - [ -n "$WAN" -a -e /etc/firewall.config ] && { - export WAN - awk -f /usr/lib/common.awk -f /usr/lib/firewall.awk /etc/firewall.config | ash - } -} - -stop() { - iptables -P INPUT ACCEPT - iptables -P OUTPUT ACCEPT - iptables -P FORWARD ACCEPT - iptables -F - iptables -X - iptables -t nat -P PREROUTING ACCEPT - iptables -t nat -P POSTROUTING ACCEPT - iptables -t nat -P OUTPUT ACCEPT - iptables -t nat -F - iptables -t nat -X -} |