If you’re hosting a server, clients will see "server unavailable" if your ports aren’t open.
With CGNAT, you share a public IP address with hundreds of other users. You cannot forward ports because you don't own the public IP – your ISP does. If you’re hosting a server, clients will see
Open ports TCP 9600 and UDP 9600 (default server ports) in your firewall and router if you’re hosting. For joining servers, outbound ports 80, 443, and 9600 must be open. Open ports TCP 9600 and UDP 9600 (default
Select and ensure both AssettoCorsa.exe and Content Manager.exe are checked for both Private and Public networks. 6. The "Steam Bridge" Issue outbound ports 80
: It sounds basic, but rebooting your PC and your router often clears up minor handshake errors.
To fix the "server seems to be unavailable" error in Assetto Corsa , you should first sync your system time and reset your network configuration