# What is the protocol and port used to send the metrics of browser monitoring?

**URL:** <https://community.dynatrace.com/t/what-is-the-protocol-and-port-used-to-send-the-metrics-of-browser-monitoring/51630>\
**Category:** Synthetic Monitoring\
**Tags:** public-synthetic-locations, browser-monitors, synthetic-monitoring, private-synthetic-locations\
**Created:** [May 14, 2025, 10:28am UTC](https://community.dynatrace.com/t/what-is-the-protocol-and-port-used-to-send-the-metrics-of-browser-monitoring/51630 "2025-05-14T10:28:24Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Arunkumarbnp](https://avatars.discourse-cdn.com/v4/letter/a/d26b3c/32.png) [@Arunkumarbnp](https://community.dynatrace.com/u/Arunkumarbnp)\
**Post date:** [May 14, 2025, 10:28am UTC](https://community.dynatrace.com/t/what-is-the-protocol-and-port-used-to-send-the-metrics-of-browser-monitoring/51630/1 "2025-05-14T10:28:24Z")

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what is the protocol and port used to send the metrics of browser monitoring ?

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**Author:** ![Akhil-Jayendran](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/akhil-jayendran/32/153_2.png) [@Akhil-Jayendran](https://community.dynatrace.com/u/Akhil-Jayendran)\
**Post date:** [May 19, 2025, 3:29am UTC](https://community.dynatrace.com/t/what-is-the-protocol-and-port-used-to-send-the-metrics-of-browser-monitoring/51630/2 "2025-05-19T03:29:14Z")

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Hi&nbsp;[@Arunkumarbnp](https://community.dynatrace.com/user/87029)&nbsp;,

If you are asking about synthetic monitors then the Synthetic engines are responsible for the executions, and internally, they use Chromium. The Beacon Forwarder then sends the results to the cluster.  
More info :&nbsp;[Synthetic architecture and communication in Classic — Dynatrace Docs](https://docs.dynatrace.com/docs/observe/digital-experience/synthetic-monitoring/general-information/architecture-communication#synthetic-architecture-and-communication)

Br,  
Akhil

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**Author:** ![Arunkumarbnp](https://avatars.discourse-cdn.com/v4/letter/a/d26b3c/32.png) [@Arunkumarbnp](https://community.dynatrace.com/u/Arunkumarbnp)\
**Post date:** [May 19, 2025, 7:27am UTC](https://community.dynatrace.com/t/what-is-the-protocol-and-port-used-to-send-the-metrics-of-browser-monitoring/51630/3 "2025-05-19T07:27:20Z")

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[@Akhil-Jayendran](https://community.dynatrace.com/user/52584)&nbsp;thanks for your reply

I’ve created browser monitoring in dynatrace, I’ve to create fw request for internet and intranet applications.

I need to know if it is http or https and ports used for the firewall implementation

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**Author:** ![Akhil-Jayendran](https://dub1.discourse-cdn.com/dynatrace/user_avatar/community.dynatrace.com/akhil-jayendran/32/153_2.png) [@Akhil-Jayendran](https://community.dynatrace.com/u/Akhil-Jayendran)\
**Post date:** [May 19, 2025, 3:51pm UTC](https://community.dynatrace.com/t/what-is-the-protocol-and-port-used-to-send-the-metrics-of-browser-monitoring/51630/4 "2025-05-19T15:51:58Z")

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Hello&nbsp;[@Arunkumarbnp](https://community.dynatrace.com/user/87029)&nbsp;,

The HTTP port is 80, and the HTTPS port is 443.  
Reference: [List of TCP and UDP port numbers](https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers)

For intranet monitoring, you need to apply firewall rules to allow traffic on the above ports from the  
Synthetic Private location (ActiveGate) to your application server.

For internet monitoring, you can use Dynatrace Public locations — it should work without requiring any firewall rules.

Br,

Akhil