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doc: mention NTP port number in FAQ

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Miroslav Lichvar
2023-03-13 16:03:11 +01:00
parent ab776ed9d8
commit 2d80be9541
1 changed files with 3 additions and 2 deletions
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doc/faq.adoc
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@@ -613,8 +613,9 @@ following questions.
Check the `Reach` value printed by the ``chronyc``'s `sources` command. If it Check the `Reach` value printed by the ``chronyc``'s `sources` command. If it
is zero, it means `chronyd` did not get any valid responses from the NTP server is zero, it means `chronyd` did not get any valid responses from the NTP server
you are trying to use. If there is a firewall between you and the server, the you are trying to use. If there is a firewall between you and the server, the
packets might be blocked. Try using a tool like `wireshark` or `tcpdump` to see requests sent to the UDP port 123 of the server or responses sent back from
if you are getting any responses from the server. the port might be blocked. Try using a tool like `wireshark` or `tcpdump` to
see if you are getting any responses from the server.
When `chronyd` is receiving responses from the servers, the output of the When `chronyd` is receiving responses from the servers, the output of the
`sources` command issued few minutes after `chronyd` start might look like `sources` command issued few minutes after `chronyd` start might look like