Changes between Version 13 and Version 14 of TipAndDoc/network/ntp

Timestamp:

Mar 28, 2011 7:36:13 PM (13 years ago)

Author:

mitty

Comment:

--

TipAndDoc/network/ntp

@@ -9 +9 @@
  * [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]
  * http://wiki.nothing.sh/page/NTP
+ * [http://www1.plala.or.jp/fukafuka/install/ntp.html ふかふかの部屋 - Install Memo - ntp]
 
  == /etc/ntp.conf ==
@@ -104 +105 @@
 }}}
 
- == fource IPv4 ==
+ == IPv4/IPv6 ==
+ * 一部のサーバはIPv6のアドレスも返すが、restrictにIPv6アドレスを記載しておかないと正常に同期されない
+{{{
+     remote           refid      st t when poll reach   delay   offset  jitter
+==============================================================================
+ 2001:e40:100:20 .INIT.          16 u    -   64    0    0.000    0.000   0.000
+ ntp-a2.nict.go. .RMOT.          16 u    -   64    0    0.000    0.000   0.000
+ ntp-a3.nict.go. .RMOT.          16 u    -   64    0    0.000    0.000   0.000
+*ntp1.jst.mfeed. 210.173.160.86   2 u   33   64   77    1.211    1.284   0.246
++phoenix-gw.netl 210.173.160.57   3 u   29   64   77    7.696    2.152   0.600
+ LOCAL(0)        .LOCL.           5 l   34   64   77    0.000    0.000   0.001
+}}}
+  * ntp1.sakura.ad.jp => 2001:e40:100:208::123
+  * ntp.nict.jp => 2001:2f8:29:100::fff3 / 2001:2f8:29:100::fff4
+  * その他 => http://wiki.nothing.sh/page/NTP を参照
+
+ * /etc/ntp.conf
+{{{#!diff
+Index: /etc/ntp.conf
+===================================================================
+--- /etc/ntp.conf       (revision 539)
++++ /etc/ntp.conf       (revision 540)
+@@ -14,12 +14,14 @@
+
+ # You do need to talk to an NTP server or two (or three).
+ #server ntp.ubuntu.com
+-server ntp1.sakura.ad.jp           # Sakura => 210.188.224.14
+-server ntp.nict.jp                 # NICT => 210.171.226.40
+-server ntp.nict.jp                 # NICT => 133.243.238.163
+-server ntp.nict.jp                 # NICT => 133.243.238.164
+-server ntp.nict.jp                 # NICT => 133.243.238.243
+-server ntp.nict.jp                 # NICT => 133.243.238.244
++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
+
+@@ -49,7 +51,6 @@
+
+
+ restrict 210.188.224.14  mask 255.255.255.255 nomodify notrap noquery
+-restrict 210.171.226.40  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
+@@ -58,6 +59,9 @@
+ 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.
+}}}
+
+ === force IPv4 ===
  1. /etc/default/ntp (Ubuntu)
 {{{