Copssh is an ssh server and client implementation for windows systems. It is a yet another packaging of portable openssh, cygwin, some popular utilites, plus implementation of some best practices regarding security. You can use copssh for remote administration of your systems or gathering remote information in a secure way.

OpenSSH is a FREE version of the SSH protocol suite of network connectivity tools. It encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other network-level attacks. Additionally, OpenSSH provides a myriad of secure tunneling capabilities, as well as a variety of authentication methods. Cygwin is a Linux-like environment for Windows. It consists of a DLL (cygwin1.dll), which emulates substantial Linux API functionality, and a collection of tools. 

Installation

Supported platforms : Windows NT/2000/XP/2003/Vista/2008/7.

Copssh comes as a ZIP file containing an installer. Simply unzip your downloaded copy and run the package "Copssh_x.x.x_Installer.exe" :

1. Accept License agreement.
2. Specify an installation location.
3. Specify a service account.
4. Installation starts. By clicking 'Details' button, you can get more detailed information about installation. Check if everything seems ok.

You may check FAQ section or visit user forum if you experience problems. At the end of the installation, Copssh gives you some information about activation of users. You're DONE! Copssh is installed and the server portion is activated as a service.

Usage

By default, as a security measure, no users are allowed to access your machine via copssh. You can activate a user by choosing Activate a user from Start menu. Deactivation can be done in the same way.

Activated users can use an ssh client to access to your machine. My favorite is putty.

Password and public key authentication are tested and function as expected.

Licence/Version

This package contain components with different terms of licensing:

Uninstallation

This one is easy too:

1. Make sure that no clients are connected and all users are deactivated.
2. Choose Uninstall copssh from Start menu. Again, you can monitor uninstallation process by clicking 'Details' button. 

Thanks!

Let me emphasize that I play a very small role in this big game. I would like to thank to all people that make openssh+cygwin a powerful and flexible solution for secure communication and administration.