All ports
Port2067/UDP
dlswpnPort
2067
Protocol
UDP
Category
Registered
Service
dlswpn
What is port 2067?
Port 2067/UDP is a Registered port, registered with IANA for specific applications. It is associated with the dlswpn service.
Data Link Switch Write Port Number
Useful commands
nmapnmap -p 2067 -sV example.comnetcatnc -zv example.com 2067curlcurl -v http://example.com:2067/telnettelnet example.com 2067bash(echo > /dev/udp/example.com/2067) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2067/udpDeny
sudo ufw deny 2067/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2067 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2067 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2067/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2067" dir=in action=allow protocol=UDP localport=2067Security 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- Outdated versions with vulnerabilities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 2067/UDP?
Port 2067/UDP is associated with the dlswpn service. Data Link Switch Write Port Number
Is it safe to expose port 2067 to the Internet?
It depends on the service and configuration. Port 2067 (dlswpn) 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 2067 is open?
You can use nmap: `nmap -p 2067 -sV example.com`, netcat: `nc -zv example.com 2067`, or the bash command: `(echo > /dev/udp/example.com/2067) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2067 on my firewall?
On Linux with UFW: `sudo ufw allow 2067/udp` (open) or `sudo ufw deny 2067/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2067 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2067" dir=in action=allow protocol=UDP localport=2067`.
What applications and services use port 2067?
Port 2067/UDP is used by the dlswpn service. Specific uses depend on the software and configuration. Check our related tools section for more information.