All ports
Port6252/TCP
tl1-sshPort
6252
Protocol
TCP
Category
Registered
Service
tl1-ssh
What is port 6252?
Port 6252/TCP is a Registered port, registered with IANA for specific applications. It is associated with the tl1-ssh service.
TL1 over SSH
Useful commands
nmapnmap -p 6252 -sV example.comnetcatnc -zv example.com 6252curlcurl -v http://example.com:6252/telnettelnet example.com 6252bash(echo > /dev/tcp/example.com/6252) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 6252/tcpDeny
sudo ufw deny 6252/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 6252 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 6252 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=6252/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 6252" dir=in action=allow protocol=TCP localport=6252Security Risks
- Unauthorized remote access to the server
- Brute force attacks against SSH credentials
- Exposure of private keys or misconfigurations
- Outdated versions with known vulnerabilities
Frequently Asked Questions
What service runs on port 6252/TCP?
Port 6252/TCP is associated with the tl1-ssh service. TL1 over SSH
Is it safe to expose port 6252 to the Internet?
It depends on the service and configuration. Port 6252 (tl1-ssh) 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 6252 is open?
You can use nmap: `nmap -p 6252 -sV example.com`, netcat: `nc -zv example.com 6252`, or the bash command: `(echo > /dev/tcp/example.com/6252) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 6252 on my firewall?
On Linux with UFW: `sudo ufw allow 6252/tcp` (open) or `sudo ufw deny 6252/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 6252 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 6252" dir=in action=allow protocol=TCP localport=6252`.
What applications and services use port 6252?
Port 6252/TCP is used by the tl1-ssh service. Specific uses depend on the software and configuration. Check our related tools section for more information.