All ports
Port2271/TCP
mmcalsPort
2271
Protocol
TCP
Category
Registered
Service
mmcals
What is port 2271?
Port 2271/TCP is a Registered port, registered with IANA for specific applications. It is associated with the mmcals service.
Secure Meeting Maker Scheduling
Useful commands
nmapnmap -p 2271 -sV example.comnetcatnc -zv example.com 2271curlcurl -v http://example.com:2271/telnettelnet example.com 2271bash(echo > /dev/tcp/example.com/2271) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2271/tcpDeny
sudo ufw deny 2271/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2271 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2271 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2271/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2271" dir=in action=allow protocol=TCP localport=2271Security 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- Outdated versions with vulnerabilities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 2271/TCP?
Port 2271/TCP is associated with the mmcals service. Secure Meeting Maker Scheduling
Is it safe to expose port 2271 to the Internet?
It depends on the service and configuration. Port 2271 (mmcals) 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 2271 is open?
You can use nmap: `nmap -p 2271 -sV example.com`, netcat: `nc -zv example.com 2271`, or the bash command: `(echo > /dev/tcp/example.com/2271) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2271 on my firewall?
On Linux with UFW: `sudo ufw allow 2271/tcp` (open) or `sudo ufw deny 2271/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2271 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2271" dir=in action=allow protocol=TCP localport=2271`.
What applications and services use port 2271?
Port 2271/TCP is used by the mmcals service. Specific uses depend on the software and configuration. Check our related tools section for more information.