All ports
Port1933/UDP
xmapiPort
1933
Protocol
UDP
Category
Registered
Service
xmapi
What is port 1933?
Port 1933/UDP is a Registered port, registered with IANA for specific applications. It is associated with the xmapi service.
IBM LM MT Agent
Useful commands
nmapnmap -p 1933 -sV example.comnetcatnc -zv example.com 1933curlcurl -v http://example.com:1933/telnettelnet example.com 1933bash(echo > /dev/udp/example.com/1933) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1933/udpDeny
sudo ufw deny 1933/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1933 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1933 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1933/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1933" dir=in action=allow protocol=UDP localport=1933Security 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- Outdated versions with vulnerabilities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 1933/UDP?
Port 1933/UDP is associated with the xmapi service. IBM LM MT Agent
Is it safe to expose port 1933 to the Internet?
It depends on the service and configuration. Port 1933 (xmapi) 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 1933 is open?
You can use nmap: `nmap -p 1933 -sV example.com`, netcat: `nc -zv example.com 1933`, or the bash command: `(echo > /dev/udp/example.com/1933) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1933 on my firewall?
On Linux with UFW: `sudo ufw allow 1933/udp` (open) or `sudo ufw deny 1933/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1933 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1933" dir=in action=allow protocol=UDP localport=1933`.
What applications and services use port 1933?
Port 1933/UDP is used by the xmapi service. Specific uses depend on the software and configuration. Check our related tools section for more information.