local.m4: Reinstate detailed filtering from scary networks.
[firewall] / vampire.m4
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 ### vampire-specific rules.
26
27 m4_divert(86)m4_dnl
28 ## Externally visible services.
29 allowservices inbound tcp \
30 finger ident \
31 ssh \
32 smtp submission \
33 gnutella_svc \
34 ftp ftp_data \
35 rsync \
36 imaps \
37 disorder mpd \
38 http https squid \
39 git \
40 tor_public tor_directory i2p
41 allowservices inbound udp \
42 tripe \
43 gnutella_svc \
44 i2p
45
46 ## Extend some services to local untrusted hosts.
47 clearchain inbound-untrusted
48 run iptables -A inbound -j inbound-untrusted -s $net_inet_untrusted
49 run ip6tables -A inbound -j inbound-untrusted -s $net_inet6_untrusted
50
51 allowservices inbound-untrusted tcp \
52 dns \
53 lpd \
54 netbios_ssn microsoft_ds
55 allowservices inbound-untrusted udp \
56 dns \
57 tftp
58
59 ## Provide syslog for evolution.
60 run iptables -A inbound -j ACCEPT \
61 -s 172.29.198.2 \
62 -p udp --destination-port $port_syslog
63
64 ## Watch outgoing Tor usage.
65 run iptables -A OUTPUT -m multiport \
66 -p tcp --source-ports $port_tor_public,$port_tor_directory
67
68 ## Other interesting things.
69 dnsresolver inbound
70 dnsserver inbound
71 ntpclient inbound $ntp_servers
72
73 ## Provide NTP service to untrusted clients.
74 iptables -A inbound -p udp -j ACCEPT \
75 --source-port 123 --destination-port 123 \
76 -s 172.29.198.0/23
77 ip6tables -A inbound -p udp -j ACCEPT \
78 --source-port 123 --destination-port 123 \
79 -s 2001:470:9740::/48
80
81 m4_divert(-1)
82 ###----- That's all, folks --------------------------------------------------