From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 13 Jan 2013 19:15:18 +0000 (+0000)
Subject: ibanez.m4, vampire.m4: Provide NTP service to untrusted hosts.
X-Git-Url: https://git.distorted.org.uk/~mdw/firewall/commitdiff_plain/f5a0901ed4205e4675ec69a138b958be512a3211

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

diff --git a/ibanez.m4 b/ibanez.m4
index 6769b05..334ba03 100644
--- 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 --------------------------------------------------
diff --git a/vampire.m4 b/vampire.m4
index 34d5fde..e016358 100644
--- 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 --------------------------------------------------