All ports
Port1942/UDP
resPort
1942
Protocol
UDP
Category
Registered
Service
res
What is port 1942?
Port 1942/UDP is a Registered port, registered with IANA for specific applications. It is associated with the res service.
Real Enterprise Service
Useful commands
nmapnmap -p 1942 -sV example.comnetcatnc -zv example.com 1942curlcurl -v http://example.com:1942/telnettelnet example.com 1942bash(echo > /dev/udp/example.com/1942) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1942/udpDeny
sudo ufw deny 1942/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1942 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1942 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1942/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1942" dir=in action=allow protocol=UDP localport=1942Security 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- Outdated versions with vulnerabilities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 1942/UDP?
Port 1942/UDP is associated with the res service. Real Enterprise Service
Is it safe to expose port 1942 to the Internet?
It depends on the service and configuration. Port 1942 (res) 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 1942 is open?
You can use nmap: `nmap -p 1942 -sV example.com`, netcat: `nc -zv example.com 1942`, or the bash command: `(echo > /dev/udp/example.com/1942) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1942 on my firewall?
On Linux with UFW: `sudo ufw allow 1942/udp` (open) or `sudo ufw deny 1942/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1942 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1942" dir=in action=allow protocol=UDP localport=1942`.
What applications and services use port 1942?
Port 1942/UDP is used by the res service. Specific uses depend on the software and configuration. Check our related tools section for more information.