Changes between Version 12 and Version 13 of TipAndDoc/network/ntp

Timestamp:

Mar 28, 2011 7:09:52 PM (13 years ago)

Author:

mitty

Comment:

--

TipAndDoc/network/ntp

@@ -6 +6 @@
 
  = ntpd =
-
  * [http://www.aconus.com/~oyaji/ntp/ntp.htm NTPDの設定]
  * [http://www.ipa.go.jp/security/awareness/administrator/secure-web/chap4/4_ntpd.html 4.2.3 ntpdのインストールと設定]
-
- * /etc/ntp.conf
-
- == IPv6 ==
- === fource IPv4 ===
+ * http://wiki.nothing.sh/page/NTP
+
+ == /etc/ntp.conf ==
+ * SakuraのVPSで運用中
+{{{
+# /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help
+
+driftfile /var/lib/ntp/ntp.drift
+
+
+# Enable this if you want statistics to be logged.
+#statsdir /var/log/ntpstats/
+
+statistics loopstats peerstats clockstats
+filegen loopstats file loopstats type day enable
+filegen peerstats file peerstats type day enable
+filegen clockstats file clockstats type day enable
+
+
+# You do need to talk to an NTP server or two (or three).
+#server ntp.ubuntu.com
+server -4 ntp1.sakura.ad.jp        # Sakura => 210.188.224.14
+server ntp1.sakura.ad.jp           # Sakura => 2001:e40:100:208::123
+server -4 ntp.nict.jp              # NICT => 133.243.238.163
+server -4 ntp.nict.jp              # NICT => 133.243.238.164
+server -4 ntp.nict.jp              # NICT => 133.243.238.243
+server -4 ntp.nict.jp              # NICT => 133.243.238.244
+server ntp.nict.jp                 # NICT => 2001:2f8:29:100::fff3
+server ntp.nict.jp                 # NICT => 2001:2f8:29:100::fff4
+server ntp.jst.mfeed.ad.jp         # MFEED => 210.173.160.
+server ntp.netlab.is.tsukuba.ac.jp # => 130.158.83.97
+
+server 127.127.1.0                 # local system clock (not IP address)
+
+# 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
+restrict -4 default ignore
+restrict -6 default ignore
+
+# 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
+
+
+restrict 210.188.224.14  mask 255.255.255.255 nomodify notrap noquery
+restrict 133.243.238.163 mask 255.255.255.255 nomodify notrap noquery
+restrict 133.243.238.164 mask 255.255.255.255 nomodify notrap noquery
+restrict 133.243.238.243 mask 255.255.255.255 nomodify notrap noquery
+restrict 133.243.238.244 mask 255.255.255.255 nomodify notrap noquery
+restrict 210.173.160.27  mask 255.255.255.255 nomodify notrap noquery
+restrict 210.173.160.57  mask 255.255.255.255 nomodify notrap noquery
+restrict 210.173.160.87  mask 255.255.255.255 nomodify notrap noquery
+restrict 130.158.83.97   mask 255.255.255.255 nomodify notrap noquery
+restrict 2001:e40:100:208::123 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff nomodify notrap noquery
+restrict 2001:2f8:29:100::fff3 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff nomodify notrap noquery
+restrict 2001:2f8:29:100::fff4 mask ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff nomodify notrap noquery
+
+
+# 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
+}}}
+ * $ ntpq -p
+{{{
+     remote           refid      st t when poll reach   delay   offset  jitter
+==============================================================================
+-ntp1.sakura.ad. .GPS.            1 u    5   64  377    0.695   -0.011   0.888
++2001:e40:100:20 .GPS.            1 u   10   64  377    1.434   -1.154   0.829
+*ntp-a3.nict.go. .NICT.           1 u   13   64  377    1.411   -0.539   0.481
++ntp-a2.nict.go. .NICT.           1 u   62   64  377    1.357   -1.173   0.486
++ntp-b3.nict.go. .NICT.           1 u    1   64  377    3.049   -1.105   0.676
++ntp-a3.nict.go. .NICT.           1 u   61   64  377    2.029   -1.144   0.675
+-ntp-a2.nict.go. .NICT.           1 u    2   64  377    2.069    0.197   0.737
+-ntp3.jst.mfeed. 210.173.160.86   2 u    -   64  377    1.292   -0.154   0.824
+-phoenix-gw.netl 210.173.160.87   3 u   61   64  377    8.147    1.432   0.591
+ LOCAL(0)        .LOCL.           5 l   63   64  377    0.000    0.000   0.001
+}}}
+
+ == fource IPv4 ==
  1. /etc/default/ntp (Ubuntu)
 {{{