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PuTTY is a client for Secure Shell (SSH) and Telnet connections that enables network managers to run a remote session on a computer over a network. PuTTY implements the client end of the session. Key features: PuTTY uses cryptography to secure the connection against eavesdropping, hijacking and other attacks, according to its developer. The software application supports SSH1, SSH2 and Open SSH as well as Telnet and Rlogin.

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