All ports
Port119/UDP
nntpPort
119
Protocol
UDP
Category
Well-Known
Service
nntp
What is port 119?
Port 119/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the nntp service.
Network News Transfer Protocol
Useful commands
nmapnmap -p 119 -sV example.comnetcatnc -zv example.com 119curlcurl -v http://example.com:119/telnettelnet example.com 119bash(echo > /dev/udp/example.com/119) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 119/udpDeny
sudo ufw deny 119/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 119 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 119 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=119/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 119" dir=in action=allow protocol=UDP localport=119Security 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- Outdated versions with vulnerabilities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 119/UDP?
Port 119/UDP is associated with the nntp service. Network News Transfer Protocol
Is it safe to expose port 119 to the Internet?
It depends on the service and configuration. Port 119 (nntp) 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 119 is open?
You can use nmap: `nmap -p 119 -sV example.com`, netcat: `nc -zv example.com 119`, or the bash command: `(echo > /dev/udp/example.com/119) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 119 on my firewall?
On Linux with UFW: `sudo ufw allow 119/udp` (open) or `sudo ufw deny 119/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 119 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 119" dir=in action=allow protocol=UDP localport=119`.
What applications and services use port 119?
Port 119/UDP is used by the nntp service. Specific uses depend on the software and configuration. Check our related tools section for more information.