functions.m4: Make clearchain tolerant of existing chains.

[firewall] / radius.m4

diff --git a/radius.m4 b/radius.m4
index b2c41ed..029d9f1 100644 (file)
--- a/radius.m4
+++ b/radius.m4
@@ -49,6 +49,7 @@ m4_divert(-1)
 m4_divert(82)m4_dnl
 ## Externally visible services.
 allowservices inbound tcp \
+       ident \
        dns iodine \
        ssh
 allowservices inbound udp \
@@ -70,5 +71,25 @@ run iptables -A inbound -j ACCEPT \
 ## Other interesting things.
 dnsresolver inbound
 
+## IPv6 6-in-4 tunnel.
+run iptables -A inbound -j ACCEPT \
+       -p $proto_ipv6 -s 216.66.80.26
+
+## NAT for RFC1918 addresses.
+for i in PREROUTING OUTPUT POSTROUTING; do
+  run iptables -t nat -P $i ACCEPT 2>/dev/null || :
+  run iptables -t nat -F $i 2>/dev/null || :
+done
+run iptables -t nat -F
+run iptables -t nat -X
+
+run iptables -t nat -N outbound
+run iptables -t nat -A outbound -j RETURN ! -o $if_dmz
+run iptables -t nat -A outbound -j RETURN ! -s 172.29.198.0/23
+run iptables -t nat -A outbound -j RETURN -d 62.49.204.144/28
+run iptables -t nat -A outbound -j RETURN -d 172.29.198.0/23
+run iptables -t nat -A outbound -j SNAT --to-source 62.49.204.158
+run iptables -t nat -A POSTROUTING -j outbound
+
 m4_divert(-1)
 ###----- That's all, folks --------------------------------------------------