Tectia Server for IBM z/OS is a client/server security solution based on the Secure Shell protocol. It provides secure file transfer, secure shell access, remote shell command execution, and TCP and FTP tunneling. Together with Tectia Client and ConnectSecure on Windows, it provides transparent secure TN3270 connections.

The server component of Tectia Server 6.3 for IBM z/OS is based on Tectia Server 4.3 but it has the same advanced file transfer features as Tectia Server 6.3 on Unix platforms.

The client components of Tectia Server 6.3 for IBM z/OS are based on Tectia Client 6.3 and they support the same advanced file transfer features as Tectia ConnectSecure 6.3 on Unix platforms.

Tectia Server 6.3 for IBM z/OS runs on z/OS (the supported z/OS versions are listed in System Requirements). It is installed to z/OS Unix System Services (USS), but it can be run in the native environment (hereafter MVS) and process files of the native file system.