| 1 | ### -*-sh-*- |
| 2 | ### |
| 3 | ### Firewall configuration for roadstar |
| 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 | ### Config settings. |
| 26 | |
| 27 | ## This host isn't a router. |
| 28 | setconf(forward, 0) |
| 29 | |
| 30 | ## This host is involved in a routing asymmetry. |
| 31 | setconf(rp_filter, 0) |
| 32 | setconf(log_martians, 0) |
| 33 | |
| 34 | ###-------------------------------------------------------------------------- |
| 35 | ### Network interfaces. |
| 36 | |
| 37 | m4_divert(44)m4_dnl |
| 38 | ## Interface definitions. |
| 39 | if_dmz=eth0 |
| 40 | if_trusted=eth1 |
| 41 | if_safe=$if_dmz,$if_trusted |
| 42 | if_untrusted=$if_dmz,$if_trusted |
| 43 | if_vpn=$if_dmz,$if_trusted |
| 44 | if_iodine=$if_dmz,$if_trusted |
| 45 | if_its_mz=$if_dmz,$if_trusted |
| 46 | if_its_pi=$if_dmz,$if_trusted |
| 47 | |
| 48 | m4_divert(-1) |
| 49 | ###-------------------------------------------------------------------------- |
| 50 | ### roadstar-specific rules. |
| 51 | |
| 52 | m4_divert(82)m4_dnl |
| 53 | ## Externally visible services. |
| 54 | allowservices inbound tcp \ |
| 55 | ssh \ |
| 56 | ident \ |
| 57 | ftp ftp_data \ |
| 58 | rsync \ |
| 59 | http https squid \ |
| 60 | git |
| 61 | |
| 62 | ## Provide DNS resolution to local untrusted hosts. |
| 63 | for p in tcp udp; do |
| 64 | run iptables -A inbound -j ACCEPT \ |
| 65 | -s 172.29.198.0/24 \ |
| 66 | -p $p --destination-port $port_dns |
| 67 | done |
| 68 | |
| 69 | ## Other interesting things. |
| 70 | dnsresolver inbound |
| 71 | |
| 72 | m4_divert(-1) |
| 73 | ###----- That's all, folks -------------------------------------------------- |