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doc: describe minimum useful ntsrefresh

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Miroslav Lichvar 2023-02-02 14:43:19 +01:00
parent dec07aa844
commit ecfbde9872
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doc/chrony.conf.adoc
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@ -827,6 +827,10 @@ This directory is used also by the <<ntsdumpdir2,NTS server>> to save keys.
This directive specifies the maximum interval between NTS-KE handshakes (in This directive specifies the maximum interval between NTS-KE handshakes (in
seconds) in order to refresh the keys authenticating NTP packets. The default seconds) in order to refresh the keys authenticating NTP packets. The default
value is 2419200 (4 weeks) and the maximum value is 2^31-1 (68 years). value is 2419200 (4 weeks) and the maximum value is 2^31-1 (68 years).
+
The interval must be longer than polling intervals of all configured NTP
sources using NTS, otherwise the source with a longer polling interval will
refresh the keys on each poll and no NTP packets will be exchanged.
[[ntstrustedcerts]]*ntstrustedcerts* [_set-ID_] _file_|_directory_:: [[ntstrustedcerts]]*ntstrustedcerts* [_set-ID_] _file_|_directory_::
This directive specifies a file or directory containing certificates (in the This directive specifies a file or directory containing certificates (in the