X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/firewall/blobdiff_plain/78af294cd1005453cf8b7a0dda4593ba101b345e..d0409c909cb113596f5d0daed5be237a42878c8d:/ibanez.m4

diff --git a/ibanez.m4 b/ibanez.m4
index 93a816e..617200b 100644
--- a/ibanez.m4
+++ b/ibanez.m4
@@ -24,14 +24,27 @@
 ###--------------------------------------------------------------------------
 ### ibanez-specific rules.
 
-m4_divert(84)m4_dnl
+m4_divert(86)m4_dnl
 ## Externally visible services.
 allowservices inbound tcp \
 	ssh \
 	ident
+allowservices inbound udp \
+	udpkey
 
 ## 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:ba8:1d9::/48
+ip6tables -A inbound -p udp -j ACCEPT \
+	--source-port 123 --destination-port 123 \
+	-s 2001:8b0:c92::/48
+
 m4_divert(-1)
 ###----- That's all, folks --------------------------------------------------