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CurrPorts v1.11
Copyright (c) 2004 - 2007 Nir Sofer
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CurrPorts displays the list of all currently opened TCP/IP and UDP ports on your local computer. For each port in the list, information about the process that opened the port is also displayed, including the process name, full path of the process, version information of the process (product name, file description, and so on), the time that the process was created, and the user that created it.
In addition, CurrPorts allows you to close unwanted TCP connections, kill the process that opened the ports, and save the TCP/UDP ports information to HTML file , XML file, or to tab-delimited text file.
CurrPorts also automatically mark with pink color suspicious TCP/UDP ports owned by unidentified applications (Applications without version information and icons)

Versions History

System Requirements

This utility works perfectly under Windows NT, Windows 2000, and Windows XP. If you want to use this utility on Windows NT, you should install psapi.dll in your system32 directory.
You can also use this utility on previous versions of Windows (Windows 98/ME), but in these versions of Windows, the process information for each port won't be displayed.

Using CurrPorts

CurrPorts utility is a standalone executable, and it doesn't require any installation process or additional DLLs. In order to start using it, just copy the executable file (cports.exe) to any folder you like, and run it.

The main window of CurrPorts displays the list of all currently opened TCP and UDP ports. You can select one or more items, and then close the selected connections, copy the ports information to the clipboard, or save it to HTML/XML/Text file. If you don't want to view all available columns, or you want to change the order of the columns on the screen and in the files you save, select 'Choose Column' from the View menu, and select the desired columns and their order. In order to sort the list by specific column, click on the header of the desired column.

The Options Menu

The following options are available under the Options menu:

Integration with IPNetInfo utility

If you want to get more information about the remote IP address displayed in CurrPorts utility, you can utilize the Integration with IPNetInfo utility in order to easily view the IP address information from WHOIS servers:
  1. Download and run the latest version of IPNetInfo utility. (If you have IPNetInfo with version prior to v1.06, you must download the newer version.)
  2. Select the desired connections, and then choose "IPNetInfo" from the File menu (or simply click Ctrl+I).
  3. IPNetInfo will retrieve the information about remove IP addresses of the selected connections.

Command-Line Options

/stext <Filename> Save the list of all opened TCP/UDP ports into a regular text file.
/stab <Filename> Save the list of all opened TCP/UDP ports into a tab-delimited text file.
/stabular <Filename> Save the list of all opened TCP/UDP ports into a tabular text file.
/shtml <Filename> Save the list of all opened TCP/UDP ports into HTML file (Horizontal).
/sverhtml <Filename> Save the list of all opened TCP/UDP ports into HTML file (Vertical).
/sxml <Filename> Save the list of all opened TCP/UDP ports to XML file.

Closing a Connection From Command-Line

Starting from version 1.09, you can close one or more connections from command-line, by using /close parameter.
The syntax of /close command:
/close <Local Address> <Local Port> <Remote Address> <Remote Port>

For each parameter, you can specify "*" in order to include all ports or addresses.

Translating CurrPorts To Another Language

CurrPorts allows you to easily translate all menus, dialog-boxes, and other strings to other languages.
In order to do that, follow the instructions below:
  1. Run CurrPorts with /savelangfile parameter:
    cports.exe /savelangfile
    A file named cports_lng.ini will be created in the folder of CurrPorts utility.
  2. Open the created language file in Notepad or in any other text editor.
  3. Translate all menus, dialog-boxes, and string entries to the desired language.
  4. After you finish the translation, Run CurrPorts, and all translated strings will be loaded from the language file.
    If you want to run CurrPorts without the translation, simply rename the language file, or move it to another folder.


This utility is released as freeware. You are allowed to freely distribute this utility via floppy disk, CD-ROM, Internet, or in any other way, as long as you don't charge anything for this. If you distribute this utility, you must include all files in the distribution package, without any modification !


The software is provided "AS IS" without any warranty, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. The author will not be liable for any special, incidental, consequential or indirect damages due to loss of data or any other reason.


If you have any problem, suggestion, comment, or you found a bug in my utility, you can send a message to nirsofer@yahoo.com

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