All ports
Port3139/UDP
incognitorvPort
3139
Protocol
UDP
Category
Registered
Service
incognitorv
What is port 3139?
Port 3139/UDP is a Registered port, registered with IANA for specific applications. It is associated with the incognitorv service.
Incognito Rendez-Vous
Useful commands
nmapnmap -p 3139 -sV example.comnetcatnc -zv example.com 3139curlcurl -v http://example.com:3139/telnettelnet example.com 3139bash(echo > /dev/udp/example.com/3139) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3139/udpDeny
sudo ufw deny 3139/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3139 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3139 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3139/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3139" dir=in action=allow protocol=UDP localport=3139Security 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- Outdated versions with vulnerabilities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 3139/UDP?
Port 3139/UDP is associated with the incognitorv service. Incognito Rendez-Vous
Is it safe to expose port 3139 to the Internet?
It depends on the service and configuration. Port 3139 (incognitorv) 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 3139 is open?
You can use nmap: `nmap -p 3139 -sV example.com`, netcat: `nc -zv example.com 3139`, or the bash command: `(echo > /dev/udp/example.com/3139) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3139 on my firewall?
On Linux with UFW: `sudo ufw allow 3139/udp` (open) or `sudo ufw deny 3139/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3139 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3139" dir=in action=allow protocol=UDP localport=3139`.
What applications and services use port 3139?
Port 3139/UDP is used by the incognitorv service. Specific uses depend on the software and configuration. Check our related tools section for more information.