code103

**1. In direct connection mode, the web client fails to communicate with port 10002 of the serve. [ What is the direct connection mode？](https://www.pingxingyun.com/contribute/detail?topicId=10105&categoryId=3 " What is the direct connection mode?？")**

Solution：

| Usage scenario  | Processing mode |
| ------------ | ------------ |
| Use of Intranet |  Check whether the firewall is disabled|
| Use of public network（The render node contains an external ip address） |  Check whether port 10002 is open. Check whether the public ip address is correct. [How to configure a public ip address？](https://www.pingxingyun.com/contribute/detail?topicId=10106&categoryId=3 "How to configure a public ip address？") |
| Use of public network （The render node does not contain an external ip address, and is on the same LAN as the primary node, and can communicate with the TCP10002 port） |  Set the management server to proxy mode [how do set？](https://www.pingxingyun.com/contribute/detail?topicId=10105&categoryId=3 "how do set？") ，Moreover, the local ip address of the rendering server is set to the Intranet ip addres. [how do set？](https://www.pingxingyun.com/contribute/detail?topicId=10106&categoryId=3 "how do set？")|