Port 487
saft · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | saft |
Frequently asked questions
What is port 487 used for?
Port 487 is registered with the IANA for saft (TCP/UDP). Description: saft Simple Asynchronous File Transfer.
Is port 487 a well-known port?
Yes. Port 487 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 487 is open?
Locally on Linux with ss -tulpn | grep ':487\b', on Windows with netstat -ano | findstr :487. To test a remote host use Test-NetConnection <host> -Port 487 in PowerShell or nc -zv <host> 487 on Linux/macOS.
How do I open port 487 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 487/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=487/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 487" -Direction Inbound -Protocol TCP -LocalPort 487 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | saft | saft Simple Asynchronous File Transfer |
| UDP | saft | saft Simple Asynchronous File Transfer |