All ports
Port200/TCP
srcPort
200
Protocol
TCP
Category
Well-Known
Service
src
What is port 200?
Port 200/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the src service.
IBM System Resource Controller
Useful commands
nmapnmap -p 200 -sV example.comnetcatnc -zv example.com 200curlcurl -v http://example.com:200/telnettelnet example.com 200bash(echo > /dev/tcp/example.com/200) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 200/tcpDeny
sudo ufw deny 200/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 200 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 200 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=200/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 200" dir=in action=allow protocol=TCP localport=200Security 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- Outdated versions with vulnerabilities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 200/TCP?
Port 200/TCP is associated with the src service. IBM System Resource Controller
Is it safe to expose port 200 to the Internet?
It depends on the service and configuration. Port 200 (src) 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 200 is open?
You can use nmap: `nmap -p 200 -sV example.com`, netcat: `nc -zv example.com 200`, or the bash command: `(echo > /dev/tcp/example.com/200) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 200 on my firewall?
On Linux with UFW: `sudo ufw allow 200/tcp` (open) or `sudo ufw deny 200/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 200 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 200" dir=in action=allow protocol=TCP localport=200`.
What applications and services use port 200?
Port 200/TCP is used by the src service. Specific uses depend on the software and configuration. Check our related tools section for more information.