All ports
Port22555/UDP
vocaltec-phonePort
22555
Protocol
UDP
Category
Registered
Service
vocaltec-phone
What is port 22555?
Port 22555/UDP is a Registered port, registered with IANA for specific applications. It is associated with the vocaltec-phone service.
Vocaltec Internet Phone
Useful commands
nmapnmap -p 22555 -sV example.comnetcatnc -zv example.com 22555curlcurl -v http://example.com:22555/telnettelnet example.com 22555bash(echo > /dev/udp/example.com/22555) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 22555/udpDeny
sudo ufw deny 22555/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 22555 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 22555 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=22555/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 22555" dir=in action=allow protocol=UDP localport=22555Security 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- Outdated versions with vulnerabilities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 22555/UDP?
Port 22555/UDP is associated with the vocaltec-phone service. Vocaltec Internet Phone
Is it safe to expose port 22555 to the Internet?
It depends on the service and configuration. Port 22555 (vocaltec-phone) 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 22555 is open?
You can use nmap: `nmap -p 22555 -sV example.com`, netcat: `nc -zv example.com 22555`, or the bash command: `(echo > /dev/udp/example.com/22555) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 22555 on my firewall?
On Linux with UFW: `sudo ufw allow 22555/udp` (open) or `sudo ufw deny 22555/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 22555 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 22555" dir=in action=allow protocol=UDP localport=22555`.
What applications and services use port 22555?
Port 22555/UDP is used by the vocaltec-phone service. Specific uses depend on the software and configuration. Check our related tools section for more information.