### Describe the feature request a为内网机器,b为服务器,c为访问者,c访问了a之后,过一段时间之后,如果a想主动连接c,发现无法访问,需要等到c再访问a,如果我想保持这个通道,设定超时时间,应该怎么做 ### Describe alternatives you've considered _No response_ ### Affected area - [ ] Docs - [ ] Installation - [ ] Performance and Scalability - [ ] Security - [ ] User Experience - [ ] Test and Release - [ ] Developer Infrastructure - [ ] Client Plugin - [ ] Server Plugin - [ ] Extensions - [ ] Others