# Wowza Streaming Engine

**URL:** https://community.wowza.com/c/wowza-streaming-engine/8.md?page=224

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**Page:** 225

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## [Inject audio into an existing video stream using server-side Publisher API](https://community.wowza.com/t/inject-audio-into-an-existing-video-stream-using-server-side-publisher-api/361)

<div class="topic-metadata">

**Author:** [@system](https://community.wowza.com/u/system)\
**Replies:** 2\
**Last updated:** [August 26, 2014, 8:55am UTC](https://community.wowza.com/t/inject-audio-into-an-existing-video-stream-using-server-side-publisher-api/361 "2014-08-26T08:55:18Z")

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Hello, We have such test case: User1 is publishing “video\_stream1” with video only(H.264) to Wowza server via RTMP. User2 is playing back this “video\_stream1” using Flash Player application. Question: We have …

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## [Wowza configuration for  Chromecast?](https://community.wowza.com/t/wowza-configuration-for-chromecast/42132)

<div class="topic-metadata">

**Author:** [@Yiyang\_Tsui](https://community.wowza.com/u/Yiyang_Tsui)\
**Replies:** 8\
**Last updated:** [August 26, 2014, 2:07am UTC](https://community.wowza.com/t/wowza-configuration-for-chromecast/42132 "2014-08-26T02:07:26Z")

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Anyone has any experience with Chromecast and HLS from Wowza? I did to setup the sample node.js stream server from https://github.com/googlecast/cast-support-media-server and use the sample hls media they provides. The…

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## [Request Declined](https://community.wowza.com/t/request-declined/43499)

<div class="topic-metadata">

**Author:** [@eyal\_abir](https://community.wowza.com/u/eyal_abir)\
**Replies:** 2\
**Last updated:** [August 26, 2014, 2:05am UTC](https://community.wowza.com/t/request-declined/43499 "2014-08-26T02:05:51Z")

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Hi, I tried to get the load testing tool (https://www.wowza.com/docs/how-to-get-flash-rtmp-load-test-tool). I filled the from and got a decline Email. I need to know how much I can load on the server in order to price…

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## [No Video on Mobile Chrome](https://community.wowza.com/t/no-video-on-mobile-chrome/35059)

<div class="topic-metadata">

**Author:** [@ImAStreamer](https://community.wowza.com/u/ImAStreamer)\
**Replies:** 2\
**Last updated:** [August 26, 2014, 2:02am UTC](https://community.wowza.com/t/no-video-on-mobile-chrome/35059 "2014-08-26T02:02:08Z")

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Everything was working fine with our delivery of video to Android on Chrome until the release of version 36.0.1985.135. Any builds of this version or newer seem to fail where previous versions work fine. The issue appear…

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## [Generic .smil fil](https://community.wowza.com/t/generic-smil-fil/494)

<div class="topic-metadata">

**Author:** [@system](https://community.wowza.com/u/system)\
**Replies:** 1\
**Last updated:** [August 25, 2014, 10:35pm UTC](https://community.wowza.com/t/generic-smil-fil/494 "2014-08-25T22:35:51Z")

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I am running Wowza SME4.0.6 with JW Player 6.05 on a Mac Mini Server running OS10.9 Server. I am not using a Playlist on this website. The media is embedded on each page calling for VOD. I am trying to creat a SMIL file …

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## [Noise reduction audio filter](https://community.wowza.com/t/noise-reduction-audio-filter/40341)

<div class="topic-metadata">

**Author:** [@Artem\_Orlov](https://community.wowza.com/u/Artem_Orlov)\
**Replies:** 2\
**Last updated:** [August 25, 2014, 3:51pm UTC](https://community.wowza.com/t/noise-reduction-audio-filter/40341 "2014-08-25T15:51:46Z")

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Hi, I have WowzaMediaServer 3.6.2 which serves approximately 150 H.264 & PCM mu-Law incoming RTMP streams from IP-cameras. Unfortunately audio channel has very low quality (8bit, 8000 Hz) and too noisy. Due to limitatio…

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## [VOD Playlist.](https://community.wowza.com/t/vod-playlist/43755)

<div class="topic-metadata">

**Author:** [@Anmol\_Ghosh](https://community.wowza.com/u/Anmol_Ghosh)\
**Replies:** 1\
**Last updated:** [August 25, 2014, 11:16am UTC](https://community.wowza.com/t/vod-playlist/43755 "2014-08-25T11:16:36Z")

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Is there a way to create a dynamic server side playlist (a list of media files) for a VOD application which can be used to play all the videos in the list as a single stream via a RTMP URL. Also, is it possible to do th…

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## [Wowza access log's event and category](https://community.wowza.com/t/wowza-access-logs-event-and-category/35889)

<div class="topic-metadata">

**Author:** [@Alan\_Tang](https://community.wowza.com/u/Alan_Tang)\
**Replies:** 7\
**Last updated:** [August 25, 2014, 9:08am UTC](https://community.wowza.com/t/wowza-access-logs-event-and-category/35889 "2014-08-25T09:08:46Z")

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Hi, I want to ask some quest about access log’s event and category, I want to know the event’s life cycle, and how many type of category, and what they means. Thanks a lot Alan

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## [Does wowza change source file 16:9 to live stream 4:3 in rmtp stream?](https://community.wowza.com/t/does-wowza-change-source-file-16-9-to-live-stream-4-3-in-rmtp-stream/43323)

<div class="topic-metadata">

**Author:** [@Denny\_Lee](https://community.wowza.com/u/Denny_Lee)\
**Replies:** 1\
**Last updated:** [August 25, 2014, 7:28am UTC](https://community.wowza.com/t/does-wowza-change-source-file-16-9-to-live-stream-4-3-in-rmtp-stream/43323 "2014-08-25T07:28:39Z")

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I use wowza to get live stream on rmtp and hls. hls will play by html5 , it works perfect! my source file is mp4 16:9 but my output scream is 4:3. does wowza change it ? if so, how can i config it? thanks!

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## [Ingesting YouTube stream](https://community.wowza.com/t/ingesting-youtube-stream/43752)

<div class="topic-metadata">

**Author:** [@Lucas\_Rosenberg](https://community.wowza.com/u/Lucas_Rosenberg)\
**Replies:** 1\
**Last updated:** [August 25, 2014, 6:35am UTC](https://community.wowza.com/t/ingesting-youtube-stream/43752 "2014-08-25T06:35:30Z")

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Greetings from East Africa. Our colleagues are streaming live from a neighbour country, and we would like to ingest their stream as one of our inputs into our ATEM Production Switcher 4K. Can Wowza Transcoder work with a…

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## [Access is denied](https://community.wowza.com/t/access-is-denied/41782)

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**Author:** [@Jinqiang\_Chen](https://community.wowza.com/u/Jinqiang_Chen)\
**Replies:** 3\
**Last updated:** [August 25, 2014, 4:48am UTC](https://community.wowza.com/t/access-is-denied/41782 "2014-08-25T04:48:02Z")

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Trying to point the media ‘content’ folder to a folder on a file server. I am getting an error when changed the path of ‘’ (in ‘cof\\vod\\Application.xml’) to a network path, e.g. ‘\\fileserver\\content’. Security access o…

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## [helpe please thanks](https://community.wowza.com/t/helpe-please-thanks/43748)

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**Author:** [@Giuseppe\_Daddio](https://community.wowza.com/u/Giuseppe_Daddio)\
**Replies:** 1\
**Last updated:** [August 23, 2014, 4:47pm UTC](https://community.wowza.com/t/helpe-please-thanks/43748 "2014-08-23T16:47:45Z")

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hello please I have problem with the progam wowza, I followed the instructions as such as this in the guide but I can not get into the web access WowzaStreamingEngine-4.0.6 always says to me: “” “” Wowza Streaming Engine…

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## [Roku "Loading, please wait..." Issues Wowza 4.0.6](https://community.wowza.com/t/roku-loading-please-wait-issues-wowza-4-0-6/36027)

<div class="topic-metadata">

**Author:** [@mubarak\_malimar](https://community.wowza.com/u/mubarak_malimar)\
**Replies:** 4\
**Last updated:** [August 22, 2014, 12:47pm UTC](https://community.wowza.com/t/roku-loading-please-wait-issues-wowza-4-0-6/36027 "2014-08-22T12:47:05Z")

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We have tested all versions of 4.0-4.0.6. Each time, had to revert back to version 3.6.4. We first migrated to version 4.0 (multiple tickets open and headed to dead end). Same exact problems in the past and was the same…

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## [Set image in Wowza before start streaming](https://community.wowza.com/t/set-image-in-wowza-before-start-streaming/40888)

<div class="topic-metadata">

**Author:** [@Sebastian\_Reg](https://community.wowza.com/u/Sebastian_Reg)\
**Replies:** 1\
**Last updated:** [August 22, 2014, 12:02pm UTC](https://community.wowza.com/t/set-image-in-wowza-before-start-streaming/40888 "2014-08-22T12:02:25Z")

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Hi All, I use JWPlayer for my streaming. When I generate embed code, I set start image but if someone click play button before streaming start, see information\*"system can not find file… "etc. It is possible to set ded…

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## [Roku Buffering "Loading, please wait..." Issues Wowza 4.0.6](https://community.wowza.com/t/roku-buffering-loading-please-wait-issues-wowza-4-0-6/36033)

<div class="topic-metadata">

**Author:** [@mubarak\_malimar](https://community.wowza.com/u/mubarak_malimar)\
**Replies:** 1\
**Last updated:** [August 22, 2014, 11:15am UTC](https://community.wowza.com/t/roku-buffering-loading-please-wait-issues-wowza-4-0-6/36033 "2014-08-22T11:15:53Z")

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Hello, Our Roku is buffering constantly. We need the Roku to hold on as much data as possible (for DSL users). Can we adjust the chunk sizes to improve that? These settings were perfectly working on 3.6.4. We transition…

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## [streamschedule.smil: Naming scheme of ](https://community.wowza.com/t/streamschedule-smil-naming-scheme-of/41717)

<div class="topic-metadata">

**Author:** [@David\_Shimamoto](https://community.wowza.com/u/David_Shimamoto)\
**Replies:** 3\
**Last updated:** [August 22, 2014, 9:49am UTC](https://community.wowza.com/t/streamschedule-smil-naming-scheme-of/41717 "2014-08-22T09:49:07Z")

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Hi, I would appreciate help in understanding the correct format to write streamschedule.smil files. Regarding what goes in the “name” attribute above, are there any particular rules? For example, is it valid to have …

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## [UDP to RTMP Transcoding](https://community.wowza.com/t/udp-to-rtmp-transcoding/43744)

<div class="topic-metadata">

**Author:** [@DR\_Paudel](https://community.wowza.com/u/DR_Paudel)\
**Replies:** 3\
**Last updated:** [August 22, 2014, 7:22am UTC](https://community.wowza.com/t/udp-to-rtmp-transcoding/43744 "2014-08-22T07:22:18Z")

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I want to transcode UDP source to rtmp (Wowza) using VLC This is my udp source udp://192.168.2.113:1131 I want to transcode and push to wowza media server rtmp://192.168.2.201/live/test.stream

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## [Restream a Single Camera from a Multi Channe Network DVRl](https://community.wowza.com/t/restream-a-single-camera-from-a-multi-channe-network-dvrl/43721)

<div class="topic-metadata">

**Author:** [@Paul\_Schneider](https://community.wowza.com/u/Paul_Schneider)\
**Replies:** 3\
**Last updated:** [August 22, 2014, 6:23am UTC](https://community.wowza.com/t/restream-a-single-camera-from-a-multi-channe-network-dvrl/43721 "2014-08-22T06:23:09Z")

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Hi Everyone - I’m hoping someone out there can help me out with this issue… I’m trying to re-stream a single camera from a dual stream Network Dvr. I Have 16 channel network dvr that is plugged in to my router & holds …

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## [Ingest from File](https://community.wowza.com/t/ingest-from-file/43681)

<div class="topic-metadata">

**Author:** [@George\_Bray](https://community.wowza.com/u/George_Bray)\
**Replies:** 7\
**Last updated:** [August 22, 2014, 4:34am UTC](https://community.wowza.com/t/ingest-from-file/43681 "2014-08-22T04:34:25Z")

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Hello, I’m new here. I’m converting a large archive to be useful with adaptive bitrates, so I’m wondering what options there are for ingesting the media through the transcoder? My source files are H.264 (hinted quicktim…

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## [How many concurrent live channels can Wowza support](https://community.wowza.com/t/how-many-concurrent-live-channels-can-wowza-support/43741)

<div class="topic-metadata">

**Author:** [@Zhang\_Ping](https://community.wowza.com/u/Zhang_Ping)\
**Replies:** 1\
**Last updated:** [August 22, 2014, 4:06am UTC](https://community.wowza.com/t/how-many-concurrent-live-channels-can-wowza-support/43741 "2014-08-22T04:06:31Z")

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Can Wowza(as origin) support more than 100 concurrent live channel (with 4 hours nDVR every channel)? if it works, what type of the server is need? Thanks a lot.

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## [Playlist with MPEG-TS as source](https://community.wowza.com/t/playlist-with-mpeg-ts-as-source/41715)

<div class="topic-metadata">

**Author:** [@David\_Shimamoto](https://community.wowza.com/u/David_Shimamoto)\
**Replies:** 6\
**Last updated:** [August 21, 2014, 11:17am UTC](https://community.wowza.com/t/playlist-with-mpeg-ts-as-source/41715 "2014-08-21T11:17:56Z")

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I am making a scheduled play list using two sources. MPEG-TS input Local file Above sources alternate at specified hours. Following the tutorial, I got the system working as expected. https://www.wowza.com/doc…

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## [RTSP stream stop every 13 sec.](https://community.wowza.com/t/rtsp-stream-stop-every-13-sec/40069)

<div class="topic-metadata">

**Author:** [@Thai\_Nguyen](https://community.wowza.com/u/Thai_Nguyen)\
**Replies:** 5\
**Last updated:** [August 21, 2014, 11:08am UTC](https://community.wowza.com/t/rtsp-stream-stop-every-13-sec/40069 "2014-08-21T11:08:44Z")

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Hi Experts I’m testing a Samsung S3 phone to stream live Traffic in my city via city’s server (RTSP://00.00.00.00:554/1/VideoInput/mpeg4/1) and it stops at every 13 seconds. I’m using Video Player,MX Player,BS Player,VL…

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## [Hard Disk Use](https://community.wowza.com/t/hard-disk-use/43069)

<div class="topic-metadata">

**Author:** [@Guilherme\_Nozawa](https://community.wowza.com/u/Guilherme_Nozawa)\
**Replies:** 12\
**Last updated:** [August 21, 2014, 11:03am UTC](https://community.wowza.com/t/hard-disk-use/43069 "2014-08-21T11:03:11Z")

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Hey Everybody, I was looking the anality graph Usage in Wowza Streaming Engine and I noticed 79% of hard disk use. Doing a quick search I discovered that logs folder uses 70 % of space. So i would like know if there one…

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## [Wowza 4.0.6 memory maxing out less than 300 connections](https://community.wowza.com/t/wowza-4-0-6-memory-maxing-out-less-than-300-connections/36031)

<div class="topic-metadata">

**Author:** [@mubarak\_malimar](https://community.wowza.com/u/mubarak_malimar)\
**Replies:** 4\
**Last updated:** [August 21, 2014, 10:17am UTC](https://community.wowza.com/t/wowza-4-0-6-memory-maxing-out-less-than-300-connections/36031 "2014-08-21T10:17:02Z")

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We have tested all versions of 4.0-4.0.6. Each time, had to revert back to version 3.6.4. We have notice memory usage is much higher on Wowza 4.0.6 compared to 3.6.4. Can this be true? The issues we are having is our Ro…

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## [OS X WowzaConfig.app not launching](https://community.wowza.com/t/os-x-wowzaconfig-app-not-launching/43722)

<div class="topic-metadata">

**Author:** [@Marc\_Jennings](https://community.wowza.com/u/Marc_Jennings)\
**Replies:** 1\
**Last updated:** [August 21, 2014, 8:00am UTC](https://community.wowza.com/t/os-x-wowzaconfig-app-not-launching/43722 "2014-08-21T08:00:50Z")

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Hi folks, I’ve downloaded a trial version of 4.0.6 and although the install runs, the WowzaConfig.app is not running on my machine. I tried this on a 10.5 server at first and the application is not compatible with the …

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## [Generating Thumbnail(Previews) from Livestream periodically](https://community.wowza.com/t/generating-thumbnail-previews-from-livestream-periodically/40138)

<div class="topic-metadata">

**Author:** [@dogan\_dogan](https://community.wowza.com/u/dogan_dogan)\
**Replies:** 3\
**Last updated:** [August 20, 2014, 11:20am UTC](https://community.wowza.com/t/generating-thumbnail-previews-from-livestream-periodically/40138 "2014-08-20T11:20:20Z")

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Hi Dear Wowza Community,:slight\_smile: i searched a bit about how to generate thumbnails from livestreams every e.g. 30 seconds in the forums. but none of the solution worked for me. at the moment i have running an ext…

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## [Automatic video rate (transcoding?)](https://community.wowza.com/t/automatic-video-rate-transcoding/41438)

<div class="topic-metadata">

**Author:** [@Ika\_Balzam](https://community.wowza.com/u/Ika_Balzam)\
**Replies:** 3\
**Last updated:** [August 20, 2014, 10:00am UTC](https://community.wowza.com/t/automatic-video-rate-transcoding/41438 "2014-08-20T10:00:51Z")

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Hi, (I’m pretty sure that was asked before, but I couldn’t find an answer) We have a VOD (on-demand) video streaming site, and our movies are very heavy (1080p). Sometimes, clients have low bandwidth and may encounter…

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## [Fastest playback time for 10 sec videos VOD cupertino](https://community.wowza.com/t/fastest-playback-time-for-10-sec-videos-vod-cupertino/39041)

<div class="topic-metadata">

**Author:** [@Arpan\_Darivemula](https://community.wowza.com/u/Arpan_Darivemula)\
**Replies:** 1\
**Last updated:** [August 20, 2014, 9:29am UTC](https://community.wowza.com/t/fastest-playback-time-for-10-sec-videos-vod-cupertino/39041 "2014-08-20T09:29:13Z")

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Hello We are trying to achieve the fastest start to playback time for cupertino videos. These are all VOD and are around 10 seconds long. We are using the mediacache plugin serving files from amazon S3 on an ec2 wowza o…

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## [Few question about Wowza](https://community.wowza.com/t/few-question-about-wowza/43710)

<div class="topic-metadata">

**Author:** [@nam\_dang](https://community.wowza.com/u/nam_dang)\
**Replies:** 1\
**Last updated:** [August 20, 2014, 8:28am UTC](https://community.wowza.com/t/few-question-about-wowza/43710 "2014-08-20T08:28:40Z")

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I’m newbie of Wowza, have few question before buy license Supported Playback Platforms: Play rtmp protocol on desktop and auto switch to http protocol on another device… How to config it? Support adaptive bitrate. …

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## [Wowza listening on TCP port 57136.](https://community.wowza.com/t/wowza-listening-on-tcp-port-57136/43427)

<div class="topic-metadata">

**Author:** [@Chalmers\_Hamill](https://community.wowza.com/u/Chalmers_Hamill)\
**Replies:** 3\
**Last updated:** [August 20, 2014, 8:06am UTC](https://community.wowza.com/t/wowza-listening-on-tcp-port-57136/43427 "2014-08-20T08:06:42Z")

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I noticed that the Wowza daemon listens on port 57136, though I can’t find that port in any configuration files anywhere. I was just wondering what that port is used for? – Morgan Hamill

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