3 ### Firewall configuration for jem
5 ### (c) 2008 Mark Wooding
8 ###----- Licensing notice ---------------------------------------------------
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18 ### GNU General Public License for more details.
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22 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 ###--------------------------------------------------------------------------
27 ## This host isn't a router.
30 ## This host is involved in a routing asymmetry.
32 setconf(log_martians, 0)
34 ###--------------------------------------------------------------------------
35 ### Network interfaces.
38 ## Interface definitions.
41 if_safe=$if_dmz,$if_trusted
42 if_untrusted=$if_dmz,$if_trusted
43 if_vpn=$if_dmz,$if_trusted
44 if_iodine=$if_dmz,$if_trusted
45 if_its_mz=$if_dmz,$if_trusted
46 if_its_pi=$if_dmz,$if_trusted
49 ###--------------------------------------------------------------------------
50 ### jem-specific rules.
53 ## Set up the SAUCE sinbin. Unfortunately, ipset is a bit brittle. This
54 ## isn't a completely critical part of the firewall security, so don't make
55 ## this fail the entire script.
56 errorchain sauce REJECT
57 makeset sauce iphash || :
58 iptables -A inbound -g sauce -m set --match-set sauce src || :
60 ## Externally visible services.
61 allowservices inbound tcp \
68 ## Provide DNS resolution to local untrusted hosts.
70 run iptables -A inbound -j ACCEPT \
72 -p $p --destination-port $port_dns
76 ###----- That's all, folks --------------------------------------------------