Introduction

Enterprises with high-security requirements usually have firewalls that restrict employees from visiting unauthorized sites to protect internal information.

To ensure that enterprise users can connect to Agora's services through a firewall, Agora supports setting up a cloud proxy.

Compared with setting a single proxy server, the cloud proxy is more flexible and stable, thus widely implemented in organizations with high-security requirements, such as large-scale enterprises, hospitals, universities, and banks.

Prerequisites

Agora Web SDK v2.5.1 or later supports the cloud proxy. Before proceeding, ensure that you prepare the development environment. See Integrate the SDK.

  1. Contact support@agora.io and provide your App ID, and the information on the regions using the cloud proxy, the concurrent scale, and network operators.

  2. Add the following test IP addresses and ports to your whitelist.

    The sources are the clients that integrate the Agora Web SDK.

    Protocol Destination Port Port purpose
    TCP 23.236.115.138 443, 4000
    3433, 3444    		 Message data transmission
    Media data exchange
    TCP 148.153.66.218 443, 4000
    3433, 3444    		 Message data transmission
    Media data exchange
    TCP 47.74.211.17 443 Edge node communication
    TCP 52.80.192.229 443 Edge node communication
    TCP 52.52.84.170 443 Edge node communication
    TCP 47.96.234.219 443 Edge node communication
    UDP 23.236.115.138 3478, 3488 Media data exchange
    UDP 148.153.66.218 3478, 3488 Media data exchange

    These IPs are for testing only. You need to apply for exclusive IP resources for production environment.

  3. Enable the cloud proxy according to the instructions in the Implementation section and see if the audio/video call works.

  4. Agora will provide the IP addresses (domain name) and ports for you to use the cloud proxy in the production environment. Add the IP address and ports to your whitelist.

Implementation

You can set up the cloud proxy by calling the startProxyServer method.

Enable the Cloud Proxy

var client = AgoraRTC.createClient({mode: 'live',codec: 'vp8'});

// Start the cloud proxy.
client.startProxyServer();
// Join a channel.
client.init(key, function() {
    client.join(channelKey, channel, null, function(uid) {
        .......
    })
})

Disable the Cloud Proxy

To turn off the cloud proxy service：

  1. Leave the channel.
  2. Call the stopProxyServer method.
  3. Join the channel.
// After enabling the cloud proxy and joining the channel.
...
// Leave the channel.
client.leave();

// Disable the cloud proxy.
client.stopProxyServer();

// Join the channel.
client.join(channelKey, channel, null, function(uid) {
...
}

Considerations

  • The startProxyServer and stopProxyServer methods must be called before joining the channel or after leaving the channel.
  • The Agora Web SDK also provides the setProxyServer and setTurnServer methods for you to deploy the proxy. The setProxyServer and setTurnServer methods cannot be used with the startProxyServer method at the same time, else an error occurs.
  • The stopProxyServer method disables all proxy settings, including those set by the setProxyServer and setTurnServer methods.