3 ### Firewall configuration for vampire
5 ### (c) 2008 Mark Wooding
8 ###----- Licensing notice ---------------------------------------------------
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.
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.
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.
24 ###--------------------------------------------------------------------------
25 ### Network interfaces.
28 ## Interface definitions.
36 ###--------------------------------------------------------------------------
37 ### vampire-specific rules.
40 ## Repelling evil DDos attack.
41 run ipset -N ddos-evil-dns iphash 2>/dev/null || :
42 run iptables -A inbound -j DROP \
43 -m set --set ddos-evil-dns src \
44 -p udp --destination-port $port_dns
46 ## Externally visible services.
47 allowservices inbound tcp \
57 allowservices inbound tcp \
58 tor_public tor_directory
59 allowservices inbound udp \
64 ## Provide DNS resolution to local untrusted hosts.
66 run iptables -A inbound -j ACCEPT \
68 -p $p --destination-port $port_dns
71 ## Provide syslog for evolution.
72 run iptables -A inbound -j ACCEPT \
74 -p udp --destination-port $port_syslog
76 ## Provide a web cache to local untrusted hosts.
77 run iptables -A inbound -j ACCEPT \
79 -p tcp --destination-port $port_squid
81 ## Watch outgoing Tor usage.
82 run iptables -A OUTPUT -m multiport \
83 -p tcp --source-ports $port_tor_public,$port_tor_directory
85 ## Other interesting things.
87 ntpclient inbound 158.152.1.76 158.152.1.204 194.159.253.2
90 ###----- That's all, folks --------------------------------------------------