Commit | Line | Data |
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775bd287 | 1 | ### -*-sh-*- |
bfdc045d | 2 | ### |
a3972fea | 3 | ### Firewall configuration for jem |
bfdc045d MW |
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 | ||
bfdc045d | 24 | ###-------------------------------------------------------------------------- |
a3972fea | 25 | ### jem-specific rules. |
bfdc045d | 26 | |
1a42af95 | 27 | m4_divert(86)m4_dnl |
302fff40 MW |
28 | ## Set up the SAUCE sinbin. Unfortunately, ipset is a bit brittle. This |
29 | ## isn't a completely critical part of the firewall security, so don't make | |
30 | ## this fail the entire script. | |
31 | errorchain sauce REJECT | |
32 | makeset sauce iphash || : | |
33 | iptables -A inbound -g sauce -m set --match-set sauce src || : | |
34 | ||
bfdc045d MW |
35 | ## Externally visible services. |
36 | allowservices inbound tcp \ | |
bfdc045d | 37 | ssh \ |
6f74cc82 | 38 | ident \ |
77e84a02 | 39 | smtp submission \ |
bfdc045d | 40 | http https \ |
a3972fea | 41 | imaps |
bfdc045d MW |
42 | |
43 | ## Provide DNS resolution to local untrusted hosts. | |
44 | for p in tcp udp; do | |
45 | run iptables -A inbound -j ACCEPT \ | |
46 | -s 172.29.198.0/24 \ | |
47 | -p $p --destination-port $port_dns | |
48 | done | |
49 | ||
bfdc045d MW |
50 | m4_divert(-1) |
51 | ###----- That's all, folks -------------------------------------------------- |