All ports
Port633/TCP
servstatPort
633
Protocol
TCP
Category
Well-Known
Service
servstat
What is port 633?
Port 633/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the servstat service.
Service Status update (Sterling Software)
Useful commands
nmapnmap -p 633 -sV example.comnetcatnc -zv example.com 633curlcurl -v http://example.com:633/telnettelnet example.com 633bash(echo > /dev/tcp/example.com/633) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 633/tcpDeny
sudo ufw deny 633/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 633 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 633 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=633/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 633" dir=in action=allow protocol=TCP localport=633Security 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- Outdated versions with vulnerabilities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 633/TCP?
Port 633/TCP is associated with the servstat service. Service Status update (Sterling Software)
Is it safe to expose port 633 to the Internet?
It depends on the service and configuration. Port 633 (servstat) 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 633 is open?
You can use nmap: `nmap -p 633 -sV example.com`, netcat: `nc -zv example.com 633`, or the bash command: `(echo > /dev/tcp/example.com/633) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 633 on my firewall?
On Linux with UFW: `sudo ufw allow 633/tcp` (open) or `sudo ufw deny 633/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 633 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 633" dir=in action=allow protocol=TCP localport=633`.
What applications and services use port 633?
Port 633/TCP is used by the servstat service. Specific uses depend on the software and configuration. Check our related tools section for more information.