All ports
Port287/UDP
k-blockPort
287
Protocol
UDP
Category
Well-Known
Service
k-block
What is port 287?
Port 287/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the k-block service.
K-BLOCK
Useful commands
nmapnmap -p 287 -sV example.comnetcatnc -zv example.com 287curlcurl -v http://example.com:287/telnettelnet example.com 287bash(echo > /dev/udp/example.com/287) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 287/udpDeny
sudo ufw deny 287/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 287 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 287 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=287/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 287" dir=in action=allow protocol=UDP localport=287Security 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- Outdated versions with vulnerabilities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 287/UDP?
Port 287/UDP is associated with the k-block service. K-BLOCK
Is it safe to expose port 287 to the Internet?
It depends on the service and configuration. Port 287 (k-block) is a Well-Known 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 287 is open?
You can use nmap: `nmap -p 287 -sV example.com`, netcat: `nc -zv example.com 287`, or the bash command: `(echo > /dev/udp/example.com/287) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 287 on my firewall?
On Linux with UFW: `sudo ufw allow 287/udp` (open) or `sudo ufw deny 287/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 287 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 287" dir=in action=allow protocol=UDP localport=287`.
What applications and services use port 287?
Port 287/UDP is used by the k-block service. Specific uses depend on the software and configuration. Check our related tools section for more information.