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About This Document >>     Installing SSH Tectia Server (M) >>     Using SSH Tectia Server (M) >>     Troubleshooting SSH Tectia Server (M) >>     Configuration >>         Configuration Files >>         Subconfigurations >>         Ciphers and MACs         Compression         Configuring Root Logins         Restricting User Logins         Subsystems         Auditing >>         Securing SSH Tectia Client and Server >>     Authentication >>     Application Tunneling >>     Sample Files >>     Man Pages     Log Messages >>

Subsystems

Subsystems can be defined in the sshd2_config file using the following syntax.

subsystem-<name>      argument

The argument is the command which will be executed when the subsystem is requested.

$ ssh2 user@remote -s <name>

The argument can be a list of commands separated with a semicolon (;), or it can, for example, refer to a script.

One example of a subsystem is sftp.

subsystem-sftp /usr/lpp/ssh2/sftp-server

The sftp subsystem also has an internal alternative. This should be used for example when the user is chrooted and does not have access to the sftp-server binary.

subsystem-sftp internal://sftp-server