~mdw / firewall / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 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 \ |
| 77acbdb1 | 39 | imaps \ |
| 2c23db94 | 40 | http https rsync \ |
| 77acbdb1 | 41 | git |
| 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 | ||
| 37024968 MW |
50 | ## Other interesting things. |
| 51 | dnsresolver inbound | |
| 52 | ||
| bfdc045d MW |
53 | m4_divert(-1) |
| 54 | ###----- That's all, folks -------------------------------------------------- |