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About This Document>>     Introduction to SSH Secure Shell >>     Configuring SSH Secure Shell >>     Authentication >>         Server Authentication             Public-Key Authentication             Certificate Authentication         User Authentication>>         Keyboard-Interactive Authentication >>     Log Messages >>     Using SSH Secure Shell >>     Tool Syntax>>     Technical Specifications >>

Server Authentication

The remote host can authenticate itself using either traditional public-key authentication or certificate authentication.

At the beginning of the connection the server sends its public host key to the client for validation. If certificate authentication is used the public key is included in the certificate the server sends to the client.

Public-Key Authentication

Certificate Authentication

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