All ports
Port5673/UDP
jmsPort
5673
Protocol
UDP
Category
Registered
Service
jms
What is port 5673?
Port 5673/UDP is a Registered port, registered with IANA for specific applications. It is associated with the jms service.
JACL Message Server
Useful commands
nmapnmap -p 5673 -sV example.comnetcatnc -zv example.com 5673curlcurl -v http://example.com:5673/telnettelnet example.com 5673bash(echo > /dev/udp/example.com/5673) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 5673/udpDeny
sudo ufw deny 5673/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 5673 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 5673 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=5673/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 5673" dir=in action=allow protocol=UDP localport=5673Security 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- Outdated versions with vulnerabilities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 5673/UDP?
Port 5673/UDP is associated with the jms service. JACL Message Server
Is it safe to expose port 5673 to the Internet?
It depends on the service and configuration. Port 5673 (jms) 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 5673 is open?
You can use nmap: `nmap -p 5673 -sV example.com`, netcat: `nc -zv example.com 5673`, or the bash command: `(echo > /dev/udp/example.com/5673) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 5673 on my firewall?
On Linux with UFW: `sudo ufw allow 5673/udp` (open) or `sudo ufw deny 5673/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 5673 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 5673" dir=in action=allow protocol=UDP localport=5673`.
What applications and services use port 5673?
Port 5673/UDP is used by the jms service. Specific uses depend on the software and configuration. Check our related tools section for more information.