Sine Nomine would like to announce the availability of version 2 of our SSH,
SCP and SFTP utilities for z/VM and CMS. This version provides several new
features, and fixes a number of minor bugs. If you have a maintenance con-
tract with us, the new VMARC file has been copied to your support id download
area and is available for download at your convenience.
NEW FEATURES IN VERSION 2.0
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o Base support for compressed file transfers implemented
Version 2 now supports compression during file transfers if compression
is enabled on the remote server, and the -C option is supplied on the
command line. The delayed compression mode as implemented in OpenSSH is
not yet available, but is planned for a future release.
o Hardware support for the AES-128 and SHA-1 ciphers is now employed if
available.
If the Message Security Assist feature is available on the host, the CMS
SSH, SCP, and SFTP commands will use it to reduce CPU utilization when
transferring data. The system administrator is still responsible for ena-
bling and setting up the facility prior to use by commands in the
package; the utilities will fall back to software implementations of both
algorithms if hardware acceleration support is not available.
BUGS FIXED IN VERSION 2.0
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o Commands operate correctly on z800 systems without crypto processor
support
The utilities now operate correctly on minimal z800 systems without any
crypto processors.
o OpenSSH keepalive requests now handled properly
The utilities now handle keepalive packets from OpenSSH-based servers
when connections are left idle for long periods.
o Displayed lines in SSH are split more intelligently
Output lines from remote systems are now more intelligently parsed and
wrapped. This corrects a reported problem with lines being broken/wrapped
unnecessarily when written to the CMS console device.
o Screen size is now determined at runtime and negotiated during connection
initiation.
The screen size and line lengths are now determined at the time of con-
nection initiation, and are passed to the remote server as part of con-
nection setup. This allows the remote server to segment line writes in a
way that behaves more intelligently with 3270 devices.
o Recursive file transfers with SCPCMS are now handled more efficiently.
The processing of recursive transfers of entire directories to and from
CMS SFS and BFS file spaces are now handled in a more efficient way,
reducing the amount of processing needed to establish the directory tree
and lists of files to be transferred. This results in faster transfer
times.
o Wildcard file name parsing and processing is now correct.
A bug in wildcard name expansion and conversion to CMS file naming con-
ventions has been corrected. The bug related to correctly parsing some
more obscure SFS and BFS file specifications.
o Directory names in SFS and BFS file transfers with SCP are now correctly
lower-cased if the '-l' option is specified.
The -l option was not processed in version 1.
FOR MORE INFORMATION
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Contact [email protected] for more information.
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