All ports
Port2012/TCP
ttyinfoPort
2012
Protocol
TCP
Category
Registered
Service
ttyinfo
What is port 2012?
Port 2012/TCP is a Registered port, registered with IANA for specific applications. It is associated with the ttyinfo service.
Useful commands
nmapnmap -p 2012 -sV example.comnetcatnc -zv example.com 2012curlcurl -v http://example.com:2012/telnettelnet example.com 2012bash(echo > /dev/tcp/example.com/2012) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2012/tcpDeny
sudo ufw deny 2012/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2012 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2012 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2012/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2012" dir=in action=allow protocol=TCP localport=2012Security 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- Outdated versions with vulnerabilities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 2012/TCP?
Port 2012/TCP is associated with the ttyinfo service. No detailed description is available in the IANA registry.
Is it safe to expose port 2012 to the Internet?
It depends on the service and configuration. Port 2012 (ttyinfo) 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 2012 is open?
You can use nmap: `nmap -p 2012 -sV example.com`, netcat: `nc -zv example.com 2012`, or the bash command: `(echo > /dev/tcp/example.com/2012) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2012 on my firewall?
On Linux with UFW: `sudo ufw allow 2012/tcp` (open) or `sudo ufw deny 2012/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2012 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2012" dir=in action=allow protocol=TCP localport=2012`.
What applications and services use port 2012?
Port 2012/TCP is used by the ttyinfo service. Specific uses depend on the software and configuration. Check our related tools section for more information.