Port 3283: Apple Remote Desktop
Port 3283 is used by Apple Remote Desktop's Net Assistant reporting feature to collect status information from managed Macs. Screen sharing itself typically rides over VNC on port 5900.
UDPRemote accessUnencrypted by defaultIANA assigned
| Port number | 3283 |
|---|---|
| Service | Apple Remote Desktop (Net Assistant) |
| Protocol | UDP |
| Category | Remote access |
| Default encryption | No |
Security note. Port 3283 is not encrypted by default. Restrict it to trusted networks, or use an encrypted alternative where one exists, to avoid exposing credentials and data in transit.
Frequently asked questions
What is port 3283 used for?
Port 3283 is used by Apple Remote Desktop's Net Assistant reporting feature to collect status information from managed Macs. Screen sharing itself typically rides over VNC on port 5900.
Is port 3283 TCP or UDP?
Port 3283 (Apple Remote Desktop) uses UDP.
Is port 3283 secure?
Port 3283 is not encrypted by default. Where possible, use an encrypted alternative or tunnel it over TLS or a VPN.
Should I open port 3283 on my firewall?
Only if you specifically need Apple Remote Desktop. Expose it to the smallest set of trusted sources, and never open database or Windows-service ports to the whole internet.