# ActiveGate extension

**URL:** <https://community.dynatrace.com/t/activegate-extension/33040>\
**Category:** Extensions\
**Tags:** activegate, extensions\
**Created:** [October 20, 2021, 4:16am UTC](https://community.dynatrace.com/t/activegate-extension/33040 "2021-10-20T04:16:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![SB\_12](https://avatars.discourse-cdn.com/v4/letter/s/3ab097/32.png) [@SB\_12](https://community.dynatrace.com/u/SB_12)\
**Post date:** [October 20, 2021, 4:16am UTC](https://community.dynatrace.com/t/activegate-extension/33040/1 "2021-10-20T04:16:55Z")

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Hi, I want to test ActiveGate extension to check socket connection. Has anyone tested this extension? Is there a document I can refer to?

Thanks

Swati

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**Author:** ![Mike\_L](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/mike_l/32/11717_2.png) [@Mike\_L](https://community.dynatrace.com/u/Mike_L)\
**Post date:** [October 20, 2021, 7:50am UTC](https://community.dynatrace.com/t/activegate-extension/33040/2 "2021-10-20T07:50:37Z")

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Hi, do you mean the port check extension linked from this blog post?&nbsp;[Easily monitor your entire infrastructure with Dynatrace Synthetic monitors](https://www.dynatrace.com/news/blog/monitor-your-whole-infrastructure-using-synthetic-monitors/)

> **[dynatrace-api/third-party-synthetic/active-gate-extensions/extension-third-party...](https://github.com/Dynatrace/dynatrace-api/tree/master/third-party-synthetic/active-gate-extensions/extension-third-party-port)**
>
> master/third-party-synthetic/active-gate-extensions/extension-third-party-port

It’s used by several customers already if so.

Mike