# Limit WebRTC UDP to a single port

**URL:** <https://community.wowza.com/t/limit-webrtc-udp-to-a-single-port/93073>\
**Category:** Wowza Streaming Engine\
**Created:** [March 30, 2021, 4:00pm UTC](https://community.wowza.com/t/limit-webrtc-udp-to-a-single-port/93073 "2021-03-30T16:00:33Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Andy\_Weston](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/andy_weston/32/661_2.png) [@Andy\_Weston](https://community.wowza.com/u/Andy_Weston)\
**Post date:** [March 30, 2021, 4:00pm UTC](https://community.wowza.com/t/limit-webrtc-udp-to-a-single-port/93073/1 "2021-03-30T16:00:33Z")

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Hi, I have a client that wants to “use muxed video/audio/RTCP all in a single UDP port” for WebRTC, is this possible?  
I have seen this DatagramStartingPort but not a way to limit the ports.  
[Wowza Streaming Engine Server.xml configuration refere](https://www.wowza.com/docs/wowza-streaming-engine-serverxml-configuration-reference#rtp)  
Thanks  
–Andy