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

[firewall] / ibanez.m4

diff --git a/ibanez.m4 b/ibanez.m4
index 6769b05..334ba03 100644 (file)
--- a/ibanez.m4
+++ b/ibanez.m4
@@ -33,5 +33,13 @@ allowservices inbound tcp \
 ## We have to provide NTP service.  The guests sync to our clock.
 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 --------------------------------------------------