# Graylog Alerting Question

**URL:** <https://community.graylog.org/t/graylog-alerting-question/5536>\
**Category:** Graylog Central (peer support)\
**Created:** [June 9, 2018, 2:04pm UTC](https://community.graylog.org/t/graylog-alerting-question/5536 "2018-06-09T14:04:50Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![smigal66](https://avatars.discourse-cdn.com/v4/letter/s/b77776/32.png) [@smigal66](https://community.graylog.org/u/smigal66)\
**Post date:** [June 9, 2018, 2:04pm UTC](https://community.graylog.org/t/graylog-alerting-question/5536/1 "2018-06-09T14:04:50Z")

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Hello community !

I want to know if it is possible to create an alert and apply it to a time slot

Exemple: have an unsuccessful ssh connection between 00:00 and 06:00

Does anybody know if this is possible ?

Thanks for your feedback

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**Author:** ![jan](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/jan/32/11_2.png) [@jan](https://community.graylog.org/u/jan)\
**Post date:** [June 10, 2018, 11:35am UTC](https://community.graylog.org/t/graylog-alerting-question/5536/2 "2018-06-10T11:35:57Z")

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you would work with the processing pipelines to get this work.

the `when` condition would check on the time of the day and then you write a field `alert` and in the actuall alert you just check on the existance of the field.

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**Author:** ![smigal66](https://avatars.discourse-cdn.com/v4/letter/s/b77776/32.png) [@smigal66](https://community.graylog.org/u/smigal66)\
**Post date:** [June 11, 2018, 9:55am UTC](https://community.graylog.org/t/graylog-alerting-question/5536/3 "2018-06-11T09:55:06Z")

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> [@jan](#):
>
> condition would check on the time

Hello community !

Thank you for your answer

Would it be possible to have a syntax to use for tchecking on the time

For exemple : tchecking between 00:00 and 06:00 every day

Thanks for your feedback

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/3X/c/7/c7c09c6b5099570133d6502b83f50ba4430de5b6.png) [@system](https://community.graylog.org/u/system)\
**Post date:** [June 25, 2018, 9:55am UTC](https://community.graylog.org/t/graylog-alerting-question/5536/4 "2018-06-25T09:55:08Z")

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