All ports
Port8873/UDP
dxspiderPort
8873
Protocol
UDP
Category
Registered
Service
dxspider
What is port 8873?
Port 8873/UDP is a Registered port, registered with IANA for specific applications. It is associated with the dxspider service.
dxspider linking protocol
Useful commands
nmapnmap -p 8873 -sV example.comnetcatnc -zv example.com 8873curlcurl -v http://example.com:8873/telnettelnet example.com 8873bash(echo > /dev/udp/example.com/8873) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 8873/udpDeny
sudo ufw deny 8873/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 8873 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 8873 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=8873/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 8873" dir=in action=allow protocol=UDP localport=8873Security 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- Outdated versions with vulnerabilities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 8873/UDP?
Port 8873/UDP is associated with the dxspider service. dxspider linking protocol
Is it safe to expose port 8873 to the Internet?
It depends on the service and configuration. Port 8873 (dxspider) 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 8873 is open?
You can use nmap: `nmap -p 8873 -sV example.com`, netcat: `nc -zv example.com 8873`, or the bash command: `(echo > /dev/udp/example.com/8873) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 8873 on my firewall?
On Linux with UFW: `sudo ufw allow 8873/udp` (open) or `sudo ufw deny 8873/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 8873 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 8873" dir=in action=allow protocol=UDP localport=8873`.
What applications and services use port 8873?
Port 8873/UDP is used by the dxspider service. Specific uses depend on the software and configuration. Check our related tools section for more information.