3 ### Firewall configuration for radius
5 ### (c) 2008 Mark Wooding
8 ###----- Licensing notice ---------------------------------------------------
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12 ### the Free Software Foundation; either version 2 of the License, or
13 ### (at your option) any later version.
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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 router is involved in a routing asymmetry.
29 setconf(log_martians, 0)
31 ###--------------------------------------------------------------------------
32 ### radius-specific rules.
35 ## Externally visible services.
36 allowservices inbound tcp \
40 allowservices inbound udp \
44 ## Provide DNS resolution to local untrusted hosts.
46 run iptables -A inbound -j ACCEPT \
48 -p $p --destination-port $port_dns
51 ## Provide syslog for evolution.
52 run iptables -A inbound -j ACCEPT \
54 -p udp --destination-port $port_syslog
56 ## Other interesting things.
59 ## IPv6 6-in-4 tunnel.
60 run iptables -A inbound -j ACCEPT \
61 -p $proto_ipv6 -s 216.66.80.26
63 ## NAT for RFC1918 addresses.
64 for i in PREROUTING OUTPUT POSTROUTING; do
65 run iptables -t nat -P $i ACCEPT 2>/dev/null || :
66 run iptables -t nat -F $i 2>/dev/null || :
68 run iptables -t nat -F
69 run iptables -t nat -X
71 run iptables -t nat -N outbound
72 run iptables -t nat -A outbound -j RETURN ! -o $if_dmz
73 run iptables -t nat -A outbound -j RETURN ! -s 172.29.198.0/23
74 run iptables -t nat -A outbound -j RETURN -d 62.49.204.144/28
75 run iptables -t nat -A outbound -j RETURN -d 172.29.198.0/23
76 run iptables -t nat -A outbound -j SNAT --to-source 62.49.204.158
77 run iptables -t nat -A POSTROUTING -j outbound
80 ###----- That's all, folks --------------------------------------------------