All ports
Port2101/TCP
rtcm-sc104Port
2101
Protocol
TCP
Category
Registered
Service
rtcm-sc104
What is port 2101?
Port 2101/TCP is a Registered port, registered with IANA for specific applications. It is associated with the rtcm-sc104 service.
rtcm-sc104
Useful commands
nmapnmap -p 2101 -sV example.comnetcatnc -zv example.com 2101curlcurl -v http://example.com:2101/telnettelnet example.com 2101bash(echo > /dev/tcp/example.com/2101) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2101/tcpDeny
sudo ufw deny 2101/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2101 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2101 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2101/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2101" dir=in action=allow protocol=TCP localport=2101Security 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- Outdated versions with vulnerabilities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 2101/TCP?
Port 2101/TCP is associated with the rtcm-sc104 service. rtcm-sc104
Is it safe to expose port 2101 to the Internet?
It depends on the service and configuration. Port 2101 (rtcm-sc104) 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 2101 is open?
You can use nmap: `nmap -p 2101 -sV example.com`, netcat: `nc -zv example.com 2101`, or the bash command: `(echo > /dev/tcp/example.com/2101) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2101 on my firewall?
On Linux with UFW: `sudo ufw allow 2101/tcp` (open) or `sudo ufw deny 2101/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2101 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2101" dir=in action=allow protocol=TCP localport=2101`.
What applications and services use port 2101?
Port 2101/TCP is used by the rtcm-sc104 service. Specific uses depend on the software and configuration. Check our related tools section for more information.