testing/tests/esp-ah-tunnel/hosts/moon/etc/init.d/iptables

   1 #!/sbin/runscript
   2 # Copyright 1999-2004 Gentoo Foundation
   3 # Distributed under the terms of the GNU General Public License v2
   4
   5 opts="start stop reload"
   6
   7 depend() {
   8         before net
   9         need logger
  10 }
  11
  12 start() {
  13         ebegin "Starting firewall"
  14
  15         # enable IP forwarding
  16         echo 1 > /proc/sys/net/ipv4/ip_forward
  17
  18         # default policy is DROP
  19         /sbin/iptables -P INPUT DROP
  20         /sbin/iptables -P OUTPUT DROP
  21         /sbin/iptables -P FORWARD DROP
  22
  23         # allow AH
  24         iptables -A INPUT  -i eth0 -p 51 -j ACCEPT
  25         iptables -A OUTPUT -o eth0 -p 51 -j ACCEPT
  26
  27         # allow IKE
  28         iptables -A INPUT  -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
  29         iptables -A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
  30
  31         # allow crl fetch from winnetou
  32         iptables -A INPUT  -i eth0 -p tcp --sport 80 -s PH_IP_WINNETOU -j ACCEPT
  33         iptables -A OUTPUT -o eth0 -p tcp --dport 80 -d PH_IP_WINNETOU -j ACCEPT
  34
  35         # allow ssh
  36         iptables -A INPUT  -p tcp --dport 22 -j ACCEPT
  37         iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
  38
  39         eend $?
  40 }
  41
  42 stop() {
  43         ebegin "Stopping firewall"
  44                 for a in `cat /proc/net/ip_tables_names`; do
  45                         /sbin/iptables -F -t $a
  46                         /sbin/iptables -X -t $a
  47
  48                         if [ $a == nat ]; then
  49                                 /sbin/iptables -t nat -P PREROUTING ACCEPT
  50                                 /sbin/iptables -t nat -P POSTROUTING ACCEPT
  51                                 /sbin/iptables -t nat -P OUTPUT ACCEPT
  52                         elif [ $a == mangle ]; then
  53                                 /sbin/iptables -t mangle -P PREROUTING ACCEPT
  54                                 /sbin/iptables -t mangle -P INPUT ACCEPT
  55                                 /sbin/iptables -t mangle -P FORWARD ACCEPT
  56                                 /sbin/iptables -t mangle -P OUTPUT ACCEPT
  57                                 /sbin/iptables -t mangle -P POSTROUTING ACCEPT
  58                         elif [ $a == filter ]; then
  59                                 /sbin/iptables -t filter -P INPUT ACCEPT
  60                                 /sbin/iptables -t filter -P FORWARD ACCEPT
  61                                 /sbin/iptables -t filter -P OUTPUT ACCEPT
  62                         fi
  63                 done
  64         eend $?
  65 }
  66
  67 reload() {
  68         ebegin "Flushing firewall"
  69                 for a in `cat /proc/net/ip_tables_names`; do
  70                         /sbin/iptables -F -t $a
  71                         /sbin/iptables -X -t $a
  72                 done;
  73         eend $?
  74         start
  75 }
  76