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SSH Tectia 
PreviousNextUp[Contents] [Index]

    About This Document >>
    Installing SSH Tectia Server for IBM z/OS >>
    Getting Started with SSH Tectia Server for IBM z/OS >>
    Configuring the Server >>
    Authentication >>
        Using the z/OS System Authorization Facility
        Server Authentication with Public Keys in File >>
            Defining Server Host Key
            Generating the Server Host Key Pair
            Using an OpenSSH Server Host Key
            Notifying the Users of the Host Key Change
        Server Authentication with Certificates >>
        User Authentication with Passwords
        User Authentication with Public Keys in File >>
        User Authentication with Certificates >>
        Host-Based User Authentication >>
        User Authentication with Keyboard-Interactive
    File Transfer Using SFTP >>
    Secure File Transfer Using Transparent FTP Security >>
    Tunneling >>
    Troubleshooting SSH Tectia Server for IBM z/OS >>
    Man Pages and Default Configuration Files >>
    Log Messages >>

Using an OpenSSH Server Host Key

SSH Tectia Server for IBM z/OS can use a key created with OpenSSH as the server host key. The key must be configured with the HostKeyFile option in sshd2_config or have the default file names, hostkey and hostkey.pub.

Both RSA and DSA keys with key lengths from 512 (OpenSSH requires at least 768 for DSA keys) to 4096 bits or more are supported.

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