All ports
Port2159/UDP
gdbremotePort
2159
Protocol
UDP
Category
Registered
Service
gdbremote
What is port 2159?
Port 2159/UDP is a Registered port, registered with IANA for specific applications. It is associated with the gdbremote service.
GDB Remote Debug Port
Useful commands
nmapnmap -p 2159 -sV example.comnetcatnc -zv example.com 2159curlcurl -v http://example.com:2159/telnettelnet example.com 2159bash(echo > /dev/udp/example.com/2159) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2159/udpDeny
sudo ufw deny 2159/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2159 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2159 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2159/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2159" dir=in action=allow protocol=UDP localport=2159Security 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- Outdated versions with vulnerabilities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 2159/UDP?
Port 2159/UDP is associated with the gdbremote service. GDB Remote Debug Port
Is it safe to expose port 2159 to the Internet?
It depends on the service and configuration. Port 2159 (gdbremote) 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 2159 is open?
You can use nmap: `nmap -p 2159 -sV example.com`, netcat: `nc -zv example.com 2159`, or the bash command: `(echo > /dev/udp/example.com/2159) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2159 on my firewall?
On Linux with UFW: `sudo ufw allow 2159/udp` (open) or `sudo ufw deny 2159/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2159 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2159" dir=in action=allow protocol=UDP localport=2159`.
What applications and services use port 2159?
Port 2159/UDP is used by the gdbremote service. Specific uses depend on the software and configuration. Check our related tools section for more information.