Determine forwarding and reverse-path filtering from host definitions.

[firewall] / radius.m4

diff --git a/radius.m4 b/radius.m4
index f6c892b..d698998 100644 (file)
--- a/radius.m4
+++ b/radius.m4
@@ -22,33 +22,12 @@
 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 ###--------------------------------------------------------------------------
-### Config settings.
-
-## This router is involved in a routing asymmetry.
-setconf(rp_filter, 0)
-setconf(log_martians, 0)
-
-###--------------------------------------------------------------------------
-### Network interfaces.
-
-m4_divert(44)m4_dnl
-## Interface definitions.
-if_dmz=eth0
-if_trusted=eth1
-if_safe=eth2
-if_untrusted=eth3
-if_vpn=$if_dmz,$if_trusted
-if_iodine=$if_dmz,$if_trusted
-if_its_mz=$if_dmz,$if_trusted
-if_its_pi=$if_dmz,$if_trusted
-
-m4_divert(-1)
-###--------------------------------------------------------------------------
 ### radius-specific rules.
 
-m4_divert(82)m4_dnl
+m4_divert(84)m4_dnl
 ## Externally visible services.
 allowservices inbound tcp \
+       ident \
        dns iodine \
        ssh
 allowservices inbound udp \
@@ -70,6 +49,10 @@ 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 || :