All ports
Port759/UDP
conPort
759
Protocol
UDP
Category
Well-Known
Service
con
What is port 759?
Port 759/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the con service.
Useful commands
nmapnmap -p 759 -sV example.comnetcatnc -zv example.com 759curlcurl -v http://example.com:759/telnettelnet example.com 759bash(echo > /dev/udp/example.com/759) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 759/udpDeny
sudo ufw deny 759/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 759 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 759 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=759/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 759" dir=in action=allow protocol=UDP localport=759Security 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- Outdated versions with vulnerabilities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 759/UDP?
Port 759/UDP is associated with the con service. No detailed description is available in the IANA registry.
Is it safe to expose port 759 to the Internet?
It depends on the service and configuration. Port 759 (con) 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 759 is open?
You can use nmap: `nmap -p 759 -sV example.com`, netcat: `nc -zv example.com 759`, or the bash command: `(echo > /dev/udp/example.com/759) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 759 on my firewall?
On Linux with UFW: `sudo ufw allow 759/udp` (open) or `sudo ufw deny 759/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 759 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 759" dir=in action=allow protocol=UDP localport=759`.
What applications and services use port 759?
Port 759/UDP is used by the con service. Specific uses depend on the software and configuration. Check our related tools section for more information.