All ports
Port1628/UDP
lontalk-normPort
1628
Protocol
UDP
Category
Registered
Service
lontalk-norm
What is port 1628?
Port 1628/UDP is a Registered port, registered with IANA for specific applications. It is associated with the lontalk-norm service.
LonTalk normal
Useful commands
nmapnmap -p 1628 -sV example.comnetcatnc -zv example.com 1628curlcurl -v http://example.com:1628/telnettelnet example.com 1628bash(echo > /dev/udp/example.com/1628) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1628/udpDeny
sudo ufw deny 1628/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1628 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1628 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1628/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1628" dir=in action=allow protocol=UDP localport=1628Security 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- Outdated versions with vulnerabilities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 1628/UDP?
Port 1628/UDP is associated with the lontalk-norm service. LonTalk normal
Is it safe to expose port 1628 to the Internet?
It depends on the service and configuration. Port 1628 (lontalk-norm) is a Registered 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 1628 is open?
You can use nmap: `nmap -p 1628 -sV example.com`, netcat: `nc -zv example.com 1628`, or the bash command: `(echo > /dev/udp/example.com/1628) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1628 on my firewall?
On Linux with UFW: `sudo ufw allow 1628/udp` (open) or `sudo ufw deny 1628/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1628 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1628" dir=in action=allow protocol=UDP localport=1628`.
What applications and services use port 1628?
Port 1628/UDP is used by the lontalk-norm service. Specific uses depend on the software and configuration. Check our related tools section for more information.