When using AVIO the first time, Windows will usualy open a pop-up window asking you to grant network access. You should answer this positively to give AVIO the necessary access rights for internal communication.
However, in more complex networks regarding higher security levels, there might be port restrictions set by the local IT administrator. To ensure proper AVIO communication, make sure that the following ports are accessible, depending on your applications:
Here is a list of all known TCP ports used by AVIO:
| Port | Type | Used by |
| 21 | FTP | ioBox/Player |
| 80 | TCP | ioBox |
| 80/8080 | TCP | FHD/UHD Player |
| 1983 | UDP | WINGS RX |
| 3671 | UDP | KNX |
| 5000 | TCP | Ultra VNC |
| 7777 | UDP | AVIO |
| 8020 | TCP | Renderengine Webserver |
| 10000 | TCP | LUA |
| 15001 | TCP | WINGS Touch |
| 16000-16010 | TCP | AVIO Webserver |
| 16500 | UDP | Logging |
| 53343 | TCP | LUA |
| (may be set in AVIO Service) |
TCP/UDP | ASCII Interface |