functions.m4, radius.m4: BCP38 filtering for outbound traffic.

[firewall] / radius.m4

diff --git a/radius.m4 b/radius.m4
index b8481bb..090249c 100644 (file)
--- a/radius.m4
+++ b/radius.m4
@@ -57,6 +57,12 @@ iptables -A fwd-spec-nofrag -j ACCEPT \
        -m mark --mark $from_untrusted/$MASK_FROM \
        -m state --state ESTABLISHED
 
+## BCP38 filtering.  Note that addresses here are seen before NAT is applied.
+bcp38 4 ppp0 62.49.204.144/28 172.29.198.0/23
+bcp38 6 t6-he \
+       2001:470:1f08:1b98::2 2001:470:1f09:1b98::/64 \
+       2001:470:9740::/48
+
 ## NAT for RFC1918 addresses.
 for i in PREROUTING OUTPUT POSTROUTING; do
   run iptables -t nat -P $i ACCEPT 2>/dev/null || :