An updated version of OpenSSH is available with the release of IBM Ported Tools for z/OS V1.3. The V1.3 release contains an updated level of OpenSSH. The new level provided is OpenSSH 6.4p1. Note: ICSF is required to use this updated version of OpenSSH. For detailed information, see IBM Ported Tools for z/OS: OpenSSH User's Guide.

OpenSSH provides secure encryption for both remote login and file transfer. Some of the utilities that it includes are:

  • ssh, a z/OS client program for logging into a z/OS shell. It can also be used to log into other platform's UNIX shells. It is an alternative to rlogin.
  • scp for copying files between networks. It is an alternative to rcp.
  • sftp for file transfers over an encrypted ssh transport. It is an interactive file transfer program similar to ftp.
  • sshd, a daemon program for ssh that listens for connections from clients. The IBM Ported Tools for z/OS: OpenSSH implementation of sshd supports both SSH protocol versions 1 and 2 simultaneously.

Other basic utilities such as ssh-add, ssh-agent, ssh-keysign, ssh-keyscan, ssh-keygen, and sftp-server are also included.

To ensure secure encrypted communications, OpenSSH uses ciphers such as Blowfish and 3DES.

IBM Ported Tools for z/OS: OpenSSH provides the following z/OS extensions:

Product Documentation

  • new IBM Ported Tools for z/OS: OpenSSH User's Guide PDF

Note: The z/OS OpenSSH User's Guide can be found here.

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