All ports
Port107/UDP
rtelnetPort
107
Protocol
UDP
Category
Well-Known
Service
rtelnet
What is port 107?
Port 107/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the rtelnet service.
Remote Telnet Service
Useful commands
nmapnmap -p 107 -sV example.comnetcatnc -zv example.com 107curlcurl -v http://example.com:107/telnettelnet example.com 107bash(echo > /dev/udp/example.com/107) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 107/udpDeny
sudo ufw deny 107/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 107 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 107 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=107/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 107" dir=in action=allow protocol=UDP localport=107Security 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- Outdated versions with vulnerabilities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 107/UDP?
Port 107/UDP is associated with the rtelnet service. Remote Telnet Service
Is it safe to expose port 107 to the Internet?
It depends on the service and configuration. Port 107 (rtelnet) is a Well-Known 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 107 is open?
You can use nmap: `nmap -p 107 -sV example.com`, netcat: `nc -zv example.com 107`, or the bash command: `(echo > /dev/udp/example.com/107) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 107 on my firewall?
On Linux with UFW: `sudo ufw allow 107/udp` (open) or `sudo ufw deny 107/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 107 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 107" dir=in action=allow protocol=UDP localport=107`.
What applications and services use port 107?
Port 107/UDP is used by the rtelnet service. Specific uses depend on the software and configuration. Check our related tools section for more information.