All ports
Port2065/UDP
dlsrpnPort
2065
Protocol
UDP
Category
Registered
Service
dlsrpn
What is port 2065?
Port 2065/UDP is a Registered port, registered with IANA for specific applications. It is associated with the dlsrpn service.
Data Link Switch Read Port Number
Useful commands
nmapnmap -p 2065 -sV example.comnetcatnc -zv example.com 2065curlcurl -v http://example.com:2065/telnettelnet example.com 2065bash(echo > /dev/udp/example.com/2065) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2065/udpDeny
sudo ufw deny 2065/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2065 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2065 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2065/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2065" dir=in action=allow protocol=UDP localport=2065Security 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- Outdated versions with vulnerabilities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 2065/UDP?
Port 2065/UDP is associated with the dlsrpn service. Data Link Switch Read Port Number
Is it safe to expose port 2065 to the Internet?
It depends on the service and configuration. Port 2065 (dlsrpn) 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 2065 is open?
You can use nmap: `nmap -p 2065 -sV example.com`, netcat: `nc -zv example.com 2065`, or the bash command: `(echo > /dev/udp/example.com/2065) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2065 on my firewall?
On Linux with UFW: `sudo ufw allow 2065/udp` (open) or `sudo ufw deny 2065/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2065 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2065" dir=in action=allow protocol=UDP localport=2065`.
What applications and services use port 2065?
Port 2065/UDP is used by the dlsrpn service. Specific uses depend on the software and configuration. Check our related tools section for more information.