mdw@git.distorted.org.uk Git - firewall/blob - mango.m4

   1 ### -*-sh-*-
   2 ###
   3 ### Firewall configuration for mango
   4 ###
   5 ### (c) 2008 Mark Wooding
   6 ###
   7
   8 ###----- Licensing notice ---------------------------------------------------
   9 ###
  10 ### This program is free software; you can redistribute it and/or modify
  11 ### it under the terms of the GNU General Public License as published by
  12 ### the Free Software Foundation; either version 2 of the License, or
  13 ### (at your option) any later version.
  14 ###
  15 ### This program is distributed in the hope that it will be useful,
  16 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ### GNU General Public License for more details.
  19 ###
  20 ### You should have received a copy of the GNU General Public License
  21 ### along with this program; if not, write to the Free Software Foundation,
  22 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23
  24 ###--------------------------------------------------------------------------
  25 ### mango-specific rules.
  26
  27 m4_divert(86)m4_dnl
  28 ## Externally visible services.
  29 allowservices inbound tcp \
  30         ssh
  31 allowservices inbound udp \
  32         tripe
  33
  34 ## Other interesting things.
  35 dnsresolver inbound
  36
  37 ## Trust the surrounding environment.
  38 run iptables -A INPUT -j ACCEPT -s 10.165.27.0/24
  39
  40 ## NAT for remote administration.
  41 for i in PREROUTING OUTPUT POSTROUTING; do
  42   run iptables -t nat -P $i ACCEPT 2>/dev/null || :
  43   run iptables -t nat -F $i 2>/dev/null || :
  44 done
  45 run iptables -t nat -F
  46 run iptables -t nat -X
  47
  48 run iptables -t nat -A POSTROUTING -j SNAT --to-source 10.165.27.3 \
  49         -s 172.29.198.0/23 -d 10.165.27.0/24 -o eth0
  50
  51 clearchain nat:portfwd
  52 run iptables -t nat -A portfwd -j DNAT \
  53         -p tcp --dport 3128 --to-destination 172.29.199.228
  54 for c in OUTPUT PREROUTING; do
  55   run iptables -t nat -A $c -j portfwd \
  56         -s 10.165.27.0/24 -d 10.165.27.3
  57 done
  58
  59 m4_divert(-1)
  60 ###----- That's all, folks --------------------------------------------------