ibanez.m4, vampire.m4: Provide NTP service to untrusted hosts.

[firewall] / vampire.m4

diff --git a/vampire.m4 b/vampire.m4
index 34d5fdec9b0b187ee1b6e8c2cbd2171f3cb3ce4d..e016358d1db1e29f87c3a7d9a7dc7839778e2cce 100644 (file)
--- a/vampire.m4
+++ b/vampire.m4
@@ -70,5 +70,13 @@ dnsresolver inbound
 dnsserver inbound
 ntpclient inbound $ntp_servers
 
+## Provide NTP service to untrusted clients.
+iptables -A inbound -p udp -j ACCEPT \
+       --source-port 123 --destination-port 123 \
+       -s 172.29.198.0/23
+ip6tables -A inbound -p udp -j ACCEPT \
+       --source-port 123 --destination-port 123 \
+       -s 2001:470:9740::/48
+
 m4_divert(-1)
 ###----- That's all, folks --------------------------------------------------