Projects / Why Can't I Connect?

Why Can't I Connect?

"Why Can't I Connect?" makes it easier to resolve TCP/IP connection errors. Use it to diagnose connections to common server types and create generic clients and/or servers.

Operating Systems

Recent releases

  •  14 Jun 2014 00:40

    Release Notes: This release is primarily for Linux users. 32-bit and 64-bit RPMs and debs are now available.

    •  10 Jun 2014 03:52

      Release Notes: This release added recording and playing of scripts, a powerful tool for remote debugging and tracking down intermittent problems. Script files are fully self contained so no other files are required to remotely run the script. Recording a script is as simple as pressing the Record button, running the test connections, and pressing the Stop Recording button.

      •  13 Apr 2014 19:41

        Release Notes: This release changes the Home Directory and Knowledge Base internal links to point to the author's website (

        •  26 Mar 2014 09:26

          Release Notes: This release fixes a bug that would cause a crash in Windows operating systems while trying to find text containing a wide string. This will probably fix other undiscovered bugs. It adds Czech, Danish, and Polish to the supported languages. It adds a Progress / Cancel dialog for sending the contents of a file. It adds support for VPATH in Linux / Unix builds.

          •  04 Mar 2014 03:46

            Release Notes: This release fixed a bug where the language was sometimes lost after it was initially selected when the application was started for the first time. A tool was added for searching the computer for ports in use, connected ports, listening ports, reserved ports, and all ports that can not bind. Dutch and Italian translations were added. The HTML help files now use embedded images, dramatically reducing the number of files that need to be installed.


            Project Spotlight


            A Fluent OpenStack client API for Java.


            Project Spotlight

            TurnKey TWiki Appliance

            A TWiki appliance that is easy to use and lightweight.