All ports
Port9988/TCP
nsesrvrPort
9988
Protocol
TCP
Category
Registered
Service
nsesrvr
What is port 9988?
Port 9988/TCP is a Registered port, registered with IANA for specific applications. It is associated with the nsesrvr service.
Software Essentials Secure HTTP server
Useful commands
nmapnmap -p 9988 -sV example.comnetcatnc -zv example.com 9988curlcurl -v http://example.com:9988/telnettelnet example.com 9988bash(echo > /dev/tcp/example.com/9988) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9988/tcpDeny
sudo ufw deny 9988/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 9988 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 9988 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9988/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9988" dir=in action=allow protocol=TCP localport=9988Security 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- Outdated versions with vulnerabilities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 9988/TCP?
Port 9988/TCP is associated with the nsesrvr service. Software Essentials Secure HTTP server
Is it safe to expose port 9988 to the Internet?
It depends on the service and configuration. Port 9988 (nsesrvr) 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 9988 is open?
You can use nmap: `nmap -p 9988 -sV example.com`, netcat: `nc -zv example.com 9988`, or the bash command: `(echo > /dev/tcp/example.com/9988) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9988 on my firewall?
On Linux with UFW: `sudo ufw allow 9988/tcp` (open) or `sudo ufw deny 9988/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 9988 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9988" dir=in action=allow protocol=TCP localport=9988`.
What applications and services use port 9988?
Port 9988/TCP is used by the nsesrvr service. Specific uses depend on the software and configuration. Check our related tools section for more information.