Add NTP configuration file

There are options (like restrict) that should be ntp.conf
This would reduce security exposure of the router (see recent CVE).

Also, this avoid restarting ntp server on boot when using the default
vyatta ntp server.

1 files changed, 37 insertions, 0 deletions

diff --git a/sysconf/ntp.conf b/sysconf/ntp.conf
new file mode 100644
index 00000000..86ee86c1
--- /dev/null
+++ b/sysconf/ntp.conf
@@ -0,0 +1,37 @@
+# /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help
+
+driftfile /var/lib/ntp/ntp.drift
+
+# You do need to talk to an NTP server or two (or three).
+server 0.vyatta.pool.ntp.org
+
+# Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for
+# details.  The web page <http://support.ntp.org/bin/view/Support/AccessRestrictions>
+# might also be helpful.
+#
+# Note that "restrict" applies to both servers and clients, so a configuration
+# that might be intended to block requests from certain clients could also end
+# up blocking replies from your own upstream servers.
+
+# By default, exchange time with everybody, but don't allow configuration.
+restrict -4 default kod notrap nomodify nopeer noquery
+restrict -6 default kod notrap nomodify nopeer noquery
+
+# Local users may interrogate the ntp server more closely.
+restrict 127.0.0.1
+restrict ::1
+
+# Clients from this (example!) subnet have unlimited access, but only if
+# cryptographically authenticated.
+#restrict 192.168.123.0 mask 255.255.255.0 notrust
+
+
+# If you want to provide time to your local subnet, change the next line.
+# (Again, the address is an example only.)
+#broadcast 192.168.123.255
+
+# If you want to listen to time broadcasts on your local subnet, de-comment the
+# next lines.  Please do this only if you trust everybody on the network!
+#disable auth
+#broadcastclient
+