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On this page you will find the steps for installing and configuring a Kurento Media Server environment.







Requirements


Hardware

Minimum hardware requirements are:

  • 2 cores - CPU
  • 4GB di RAM
  • 40GB di HDD

Software

Recommended operating system is Ubuntu Linux 18.04 LTS Server.

 

Network

On your firewall you will have to enable these ports in order to have your Kurento Media Server working:

Inbound

  • 8888/TCP
  • 50000-65000/UDP (RTP stream)

For security reasons, port 8888/TCP has to be opened specifying IP 35.180.105.193 as source address, that corresponds to our API server IP address.

Regarding RTP stream ports, you have to open these ports to any (0.0.0.0/0) or, if users connects from a VPN or specific IP, just open that IP address source.

 

Outbound

  • 50000-65000/UDP (RTP stream)

Outbound stream needs to comprehend in its destination networks same networks specified as source on inbound rule; this rule can be opened to “any” without causing any security issue.




Install kurento media server


Once you install the operating system, run the following commands in order to install Kurento:


sudo apt-get update && sudo apt-get install --no-install-recommends --yes gnupg

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 5AFA7A83

source /etc/upstream-release/lsb-release 2>/dev/null || source /etc/lsb-release

sudo tee "/etc/apt/sources.list.d/kurento.list" >/dev/null <<EOF
# Kurento Media Server - Release packages
deb [arch=amd64] http://ubuntu.openvidu.io/6.14.0 $DISTRIB_CODENAME kms6
EOF

sudo apt-get update && sudo apt-get install --no-install-recommends --yes kurento-media-server

sudo service kurento-media-server start

sudo systemctl enable kurento-media-server




Configure kurento media server

 

Here you find the file paths and the changes to apply.


  • In order to configure RTP stream ports you have to modify the file:

/etc/kurento/modules/kurento/BaseRtpEndpoint.conf.ini

 

  • Modify minPort and maxPort rows entering selected RTP range, for example:

minPort=50000

maxPort=65000

 



These ports are the same ports that you have to open in your firewall inbound rules



  • In order to configure STUN and external address, modify file:

/etc/kurento/modules/kurento/WebRtcEndopoint.conf.ini

 

  • Modify stunServerAddress and stunServerAddress values indicating selected parameters, for example: 

stunServerAddress=stun.l.google.com

stunServerPort=1932

 

It's possible to use a public STUN as reported in the example or, if present, you can specify an internal STUN server; always keep in mind that Kurento’s IP must be enabled to reach your STUN server.

 

externalAddress=15.237.148.189

 

Specify your public IP address; this IP must be communicated to our staff in order to enable inbound stream on our firewalls.



 



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