All ports
Port44321/UDP
pmcdPort
44321
Protocol
UDP
Category
Registered
Service
pmcd
What is port 44321?
Port 44321/UDP is a Registered port, registered with IANA for specific applications. It is associated with the pmcd service.
PCP server (pmcd)
Useful commands
nmapnmap -p 44321 -sV example.comnetcatnc -zv example.com 44321curlcurl -v http://example.com:44321/telnettelnet example.com 44321bash(echo > /dev/udp/example.com/44321) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 44321/udpDeny
sudo ufw deny 44321/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 44321 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 44321 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=44321/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 44321" dir=in action=allow protocol=UDP localport=44321Security 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- Outdated versions with vulnerabilities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 44321/UDP?
Port 44321/UDP is associated with the pmcd service. PCP server (pmcd)
Is it safe to expose port 44321 to the Internet?
It depends on the service and configuration. Port 44321 (pmcd) 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 44321 is open?
You can use nmap: `nmap -p 44321 -sV example.com`, netcat: `nc -zv example.com 44321`, or the bash command: `(echo > /dev/udp/example.com/44321) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 44321 on my firewall?
On Linux with UFW: `sudo ufw allow 44321/udp` (open) or `sudo ufw deny 44321/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 44321 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 44321" dir=in action=allow protocol=UDP localport=44321`.
What applications and services use port 44321?
Port 44321/UDP is used by the pmcd service. Specific uses depend on the software and configuration. Check our related tools section for more information.