| | 1 | ### -*-sh-*- |
| | 2 | ### |
| | 3 | ### Firewall configuration for vampire |
| | 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 router is involved in a routing asymmetry. |
| | 28 | setconf(rp_filter, 0) |
| | 29 | setconf(log_martians, 0) |
| | 30 | |
| | 31 | ###-------------------------------------------------------------------------- |
| | 32 | ### Network interfaces. |
| | 33 | |
| | 34 | m4_divert(44)m4_dnl |
| | 35 | ## Interface definitions. |
| | 36 | if_dmz=eth0.0 |
| | 37 | if_trusted=eth0.1 |
| | 38 | if_safe=$if_dmz,$if_trusted |
| | 39 | if_untrusted=eth0.3 |
| | 40 | if_vpn=vpn-+ |
| | 41 | if_iodine=dns+ |
| | 42 | if_its_mz=$if_dmz,$if_trusted |
| | 43 | if_its_pi=$if_dmz,$if_trusted |
| | 44 | |
| | 45 | m4_divert(-1) |
| | 46 | ###-------------------------------------------------------------------------- |
| | 47 | ### vampire-specific rules. |
| | 48 | |
| | 49 | m4_divert(82)m4_dnl |
| | 50 | ## Externally visible services. |
| | 51 | allowservices inbound tcp \ |
| | 52 | finger ident \ |
| | 53 | dns iodine \ |
| | 54 | ssh \ |
| | 55 | smtp submission \ |
| | 56 | gnutella_svc \ |
| | 57 | ftp ftp_data \ |
| | 58 | rsync \ |
| | 59 | imaps \ |
| | 60 | disorder mpd \ |
| | 61 | http https squid \ |
| | 62 | git \ |
| | 63 | tor_public tor_directory i2p |
| | 64 | allowservices inbound udp \ |
| | 65 | dns iodine \ |
| | 66 | tripe \ |
| | 67 | gnutella_svc \ |
| | 68 | i2p |
| | 69 | |
| | 70 | ## Extend some services to local untrusted hosts. |
| | 71 | clearchain inbound-untrusted |
| | 72 | run iptables -A inbound -j inbound-untrusted \ |
| | 73 | -s 172.29.198.0/24 |
| | 74 | |
| | 75 | allowservices inbound-untrusted tcp \ |
| | 76 | dns \ |
| | 77 | netbios_ssn microsoft_ds |
| | 78 | allowservices inbound-untrusted udp \ |
| | 79 | dns \ |
| | 80 | tftp |
| | 81 | |
| | 82 | ## Provide syslog for evolution. |
| | 83 | run iptables -A inbound -j ACCEPT \ |
| | 84 | -s 172.29.198.2 \ |
| | 85 | -p udp --destination-port $port_syslog |
| | 86 | |
| | 87 | ## Watch outgoing Tor usage. |
| | 88 | run iptables -A OUTPUT -m multiport \ |
| | 89 | -p tcp --source-ports $port_tor_public,$port_tor_directory |
| | 90 | |
| | 91 | ## Other interesting things. |
| | 92 | dnsresolver inbound |
| | 93 | ntpclient inbound $ntp_servers |
| | 94 | |
| | 95 | m4_divert(-1) |
| | 96 | ###----- That's all, folks -------------------------------------------------- |
~mdw / firewall / blame_incremental