All ports
Port142/TCP
bl-idmPort
142
Protocol
TCP
Category
Well-Known
Service
bl-idm
What is port 142?
Port 142/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the bl-idm service.
Britton-Lee IDM
Useful commands
nmapnmap -p 142 -sV example.comnetcatnc -zv example.com 142curlcurl -v http://example.com:142/telnettelnet example.com 142bash(echo > /dev/tcp/example.com/142) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 142/tcpDeny
sudo ufw deny 142/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 142 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 142 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=142/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 142" dir=in action=allow protocol=TCP localport=142Security 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- Outdated versions with vulnerabilities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 142/TCP?
Port 142/TCP is associated with the bl-idm service. Britton-Lee IDM
Is it safe to expose port 142 to the Internet?
It depends on the service and configuration. Port 142 (bl-idm) 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 142 is open?
You can use nmap: `nmap -p 142 -sV example.com`, netcat: `nc -zv example.com 142`, or the bash command: `(echo > /dev/tcp/example.com/142) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 142 on my firewall?
On Linux with UFW: `sudo ufw allow 142/tcp` (open) or `sudo ufw deny 142/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 142 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 142" dir=in action=allow protocol=TCP localport=142`.
What applications and services use port 142?
Port 142/TCP is used by the bl-idm service. Specific uses depend on the software and configuration. Check our related tools section for more information.