Last update：2022-04-12 14:37:37
Port customization allows customers to customize the request ports for end users and the feature meets various business requirements.
Some small ISPs or special networks may have restriction on certain ports. So this feature is applicable to the customers who need to access to small ISPs or special networks due to business needs.
CDNetworks Port Customization helps customers to bypass the port restriction, avoiding the access failure caused by the restriction.
When customers request resources from CDNetworks’ PoPs, the request is sent through a random port. If the response port is not specified, the request will be sent to the default ports of the PoPs, and be responded. If response port is specified, the terminal will initiate a request to the port, and get the response from it.
One live broadcast user initiates a request to CDNetworks’ edge servers with RTMP protocol through the idle port 27591. When the request URL is: rtmp://www.wstest/live/wstest,