Skip to main content

Netstat to check listening ports


To check listening ports on windows, netstat is a tool that is quite handy.

And not only windows uses this tool, Linux system use this tool also.
In windows to check listening ports and the application that uses the port type:

netstat -abn

The command needs to run at an elevated command prompt.

netstat -ano  is able to check listening and established ports.

Check out this link on how to open an elevated command prompt:
http://quickbytesstuff.blogspot.sg/2014/10/open-elevated-command-prompt.html

The command will list the local address the foreign address or the public ip and the state.

Example output will be like this:

[chrome.exe]
 TCP    192.168.1.50:3101    0.0.117.1:443     ESTABLISHED

In Linux this command would come handy:

netstat -tulpn

It will list the udp, tcp ports that are listening and also the daemon service listening or using the port.

Check out link below how to use netstat and Powershell to check open ports in Windows.
http://quickbytesstuff.blogspot.sg/2014/08/check-for-open-ports-in-windows.html


Cheers..till next time..

========================

Android Divine Mercy Chaplet Guide  
https://play.google.com/store/apps/details?id=com.dmercyapp 

Educational App for Android Kids:

https://play.google.com/store/apps/details?id=com.xmultiplication

https://play.google.com/store/apps/details?id=com.letsmultiply

Comments

Popular posts from this blog

Copy a single file using robocopy

Copy a single file using robocopy from a local folder to a shared folder on the network.
A simple rule of thumb before any disaster strike, don't interchange the source and the destination.

If source and destination is mistakenly reverse, files might get overwritten. To avoid any loss of data do a test with a dummy file to ensure things work perfectly.
Robocopy [source][destination]   [file to be copied]
robocopy c:\local_c_folder  \\PC_network\shared_folder   file_to_be_copied_xx.txt
The command will be completed successfully provided the network access right has no issues.

Robocopy works quite good on large files. A simple copy or xcopy command will also work but the speed might vary.

Robocopy is free it can be accessed from command line. No need to install the resource kit tool if the operating system is Windows 7 or newer version.

Copy files with selected file extension using PowerShell and Robocopy:

$extension = ('.pdf', '.jpg', '.txt')
gci d:\WorkFolde…

WMIC get computer name

WMIC get computer model, manufacturer, computer name and  username.
WMIC is a command-line tool and that can generate information about computer model, its manufacturer, its username and other informations depending on the parameters provided.
Why would you need a command line tool if there’s a GUI to check?
If you have 20 or 100 computers, or even more. It’s quite a big task just checking the GUI to check the computer model and username.
If you have remote computers, you need to delegate someone in the remote office or location to check.
Or you can just write a batch file or script to automate the task.
Here’s the code below on how get computer model, manufacturer and the username.
Open an elevated command prompt and type:
wmic computersystem get "Model","Manufacturer", "Name", "UserName"
Just copy and paste the code above, the word “computersystem” does not need to be change to a computer name.
A sample output below will be generated if the co…