Hi, u can use the below command netstat -na | grep -i listen netstat -na | grep To list all files using any protocol on ports 513 lsof -i :513 Regards

How to check if port is in use on Linux or Unix - nixCraft Aug 11, 2019 CentOS / RHEL : How to find if a network port is open or A TCP/IP network connection may be either blocked, dropped, open, or filtered. These actions are generally controlled by the IPtables firewall the system uses and is independent of any process or program that may be listening on a network port. Beyond the firewall, a program or process (a server or daemon) may be listening on a port or not listening. How do I determine if a port is open on a Windows server On the server itself, use netstat -an to check to see which ports are listening. From outside, just use telnet host port (or telnet host:port on Unix systems) to see if the connection is refused, accepted, or timeouts. On that latter test, then in general: connection refused means that nothing is running on that port Port Checker - Port Forwarding Test - Open Port Checker

5.8. Verifying Which Ports Are Listening Red Hat

Aug 30, 2013 How to check for open ports on Linux – Linux Hint

The open source "lsof" tool is great for determining what process has a port open.Unfortunately lsof isn't included with AIX so if you just want to quickly identify which process is using a port and you don't have lsof you can use "netstat -Aan" combined with the "rmsock" command.

When debugging network services, I usually tend to run either custom pfiles scripts or compile lsof for Solaris to find the open ports in Solaris. With netstat enhancements in Solaris 11.2 release onwards new flag "-u" has been added, which would list USER, PID and program name of the process and network port details. $ netstat -un -P tcp FreeBSD List / Display Open Ports With sockstat Command Feb 08, 2008 Port Checker - Check Open Ports Online Port Checker is a simple and free online tool for checking open ports on your computer/device, often useful in testing port forwarding settings on a router. For instance, if you're facing connection issues with a program (email, IM client etc) then it may be possible that the port required by the application is getting blocked by your router's How to Check if Domain Controller is listening on Required Aug 30, 2013