All ports
Port194/UDP
ircPort
194
Protocol
UDP
Category
Well-Known
Service
irc
What is port 194?
Port 194/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the irc service.
Internet Relay Chat Protocol
Useful commands
nmapnmap -p 194 -sV example.comnetcatnc -zv example.com 194curlcurl -v http://example.com:194/telnettelnet example.com 194bash(echo > /dev/udp/example.com/194) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 194/udpDeny
sudo ufw deny 194/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 194 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 194 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=194/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 194" dir=in action=allow protocol=UDP localport=194Security 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- Outdated versions with vulnerabilities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 194/UDP?
Port 194/UDP is associated with the irc service. Internet Relay Chat Protocol
Is it safe to expose port 194 to the Internet?
It depends on the service and configuration. Port 194 (irc) 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 194 is open?
You can use nmap: `nmap -p 194 -sV example.com`, netcat: `nc -zv example.com 194`, or the bash command: `(echo > /dev/udp/example.com/194) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 194 on my firewall?
On Linux with UFW: `sudo ufw allow 194/udp` (open) or `sudo ufw deny 194/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 194 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 194" dir=in action=allow protocol=UDP localport=194`.
What applications and services use port 194?
Port 194/UDP is used by the irc service. Specific uses depend on the software and configuration. Check our related tools section for more information.