All ports
Port487/UDP
saftPort
487
Protocol
UDP
Category
Well-Known
Service
saft
What is port 487?
Port 487/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the saft service.
saft Simple Asynchronous File Transfer
Useful commands
nmapnmap -p 487 -sV example.comnetcatnc -zv example.com 487curlcurl -v http://example.com:487/telnettelnet example.com 487bash(echo > /dev/udp/example.com/487) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 487/udpDeny
sudo ufw deny 487/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 487 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 487 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=487/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 487" dir=in action=allow protocol=UDP localport=487Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 487/UDP?
Port 487/UDP is associated with the saft service. saft Simple Asynchronous File Transfer
Is it safe to expose port 487 to the Internet?
It depends on the service and configuration. Port 487 (saft) is a Well-Known port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 487 is open?
You can use nmap: `nmap -p 487 -sV example.com`, netcat: `nc -zv example.com 487`, or the bash command: `(echo > /dev/udp/example.com/487) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 487 on my firewall?
On Linux with UFW: `sudo ufw allow 487/udp` (open) or `sudo ufw deny 487/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 487 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 487" dir=in action=allow protocol=UDP localport=487`.
What applications and services use port 487?
Port 487/UDP is used by the saft service. Specific uses depend on the software and configuration. Check our related tools section for more information.