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doc: show arguments of ratelimit options

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Miroslav Lichvar 2021-09-23 10:08:07 +02:00
parent d0d9a3fa43
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6
doc/chrony.conf.adoc
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@ -1709,20 +1709,20 @@ directive.
The *ratelimit* directive supports a number of options (which can be defined The *ratelimit* directive supports a number of options (which can be defined
in any order): in any order):
+ +
*interval*::: *interval* _interval_:::
This option sets the minimum interval between responses. It is defined as a This option sets the minimum interval between responses. It is defined as a
power of 2 in seconds. The default value is 3 (8 seconds). The minimum value power of 2 in seconds. The default value is 3 (8 seconds). The minimum value
is -19 (524288 packets per second) and the maximum value is 12 (one packet per is -19 (524288 packets per second) and the maximum value is 12 (one packet per
4096 seconds). Note that with values below -4 the rate limiting is coarse 4096 seconds). Note that with values below -4 the rate limiting is coarse
(responses are allowed in bursts, even if the interval between them is shorter (responses are allowed in bursts, even if the interval between them is shorter
than the specified interval). than the specified interval).
*burst*::: *burst* _responses_:::
This option sets the maximum number of responses that can be sent in a burst, This option sets the maximum number of responses that can be sent in a burst,
temporarily exceeding the limit specified by the *interval* option. This is temporarily exceeding the limit specified by the *interval* option. This is
useful for clients that make rapid measurements on start (e.g. *chronyd* with useful for clients that make rapid measurements on start (e.g. *chronyd* with
the *iburst* option). The default value is 8. The minimum value is 1 and the the *iburst* option). The default value is 8. The minimum value is 1 and the
maximum value is 255. maximum value is 255.
*leak*::: *leak* _rate_:::
This option sets the rate at which responses are randomly allowed even if the This option sets the rate at which responses are randomly allowed even if the
limits specified by the *interval* and *burst* options are exceeded. This is limits specified by the *interval* and *burst* options are exceeded. This is
necessary to prevent an attacker who is sending requests with a spoofed necessary to prevent an attacker who is sending requests with a spoofed