All ports
Port1554/UDP
caci-lmPort
1554
Protocol
UDP
Category
Registered
Service
caci-lm
What is port 1554?
Port 1554/UDP is a Registered port, registered with IANA for specific applications. It is associated with the caci-lm service.
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Useful commands
nmapnmap -p 1554 -sV example.comnetcatnc -zv example.com 1554curlcurl -v http://example.com:1554/telnettelnet example.com 1554bash(echo > /dev/udp/example.com/1554) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1554/udpDeny
sudo ufw deny 1554/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1554 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1554 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1554/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1554" dir=in action=allow protocol=UDP localport=1554Security 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- Outdated versions with vulnerabilities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 1554/UDP?
Port 1554/UDP is associated with the caci-lm service. CACI Products Company License Manager
Is it safe to expose port 1554 to the Internet?
It depends on the service and configuration. Port 1554 (caci-lm) 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 1554 is open?
You can use nmap: `nmap -p 1554 -sV example.com`, netcat: `nc -zv example.com 1554`, or the bash command: `(echo > /dev/udp/example.com/1554) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1554 on my firewall?
On Linux with UFW: `sudo ufw allow 1554/udp` (open) or `sudo ufw deny 1554/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1554 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1554" dir=in action=allow protocol=UDP localport=1554`.
What applications and services use port 1554?
Port 1554/UDP is used by the caci-lm service. Specific uses depend on the software and configuration. Check our related tools section for more information.