# WebSockets

> Fix Document Editor connection problems: pipeline order, the middleware, the backend port 4283, rejected handshakes, proxies, WebSocket URLs and reconnection.

- **Product:** TX Text Control .NET Server
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET Server > Troubleshooting > WebSockets
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/llms-full.txt

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## On This Page

- [Find Out Where the Connection Fails](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#find-out-where-the-connection-fails)
- [WebSockets Aren't Enabled in the Pipeline](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#websockets-aren-t-enabled-in-the-pipeline)
- [The Middleware Is Missing or Gets the Wrong Parameters](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#the-middleware-is-missing-or-gets-the-wrong-parameters)
- [The Backend Isn't Running or Listens on Another Port](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#the-backend-isn-t-running-or-listens-on-another-port)
- [The Handshake Is Rejected With 401 or 403](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#the-handshake-is-rejected-with-401-or-403)
- [A Proxy or Web Server Doesn't Pass the WebSocket](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#a-proxy-or-web-server-doesn-t-pass-the-websocket)
- [The WebSocket URL Is Wrong](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#the-websocket-url-is-wrong)
- [The Connection Is Lost While Editing](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#the-connection-is-lost-while-editing)
- [Reconnecting Fails Behind a Load Balancer](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#reconnecting-fails-behind-a-load-balancer)
- [A Setup From an Older Article Doesn't Connect](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#a-setup-from-an-older-article-doesn-t-connect)
- [Related Pages](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/websockets/#related-pages)

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## Nearby

- **Previous:** [Document Editor](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/document-editor/llms.txt)
- **Next:** [Linux](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/linux/llms.txt)