Hello, all.  A Happy New Year to everyone.  I hope that 2008 brings you 
peace and prosperity.

Every now and then we re-evaluate the services z/VM provides.  In case you 
didn't notice, z/VM 5.3 dropped support for ROUTED,  leaving MPROUTE as 
the only supported dynamic routing daemon.  We also dropped BOOTP.  (Our 
intent to drop these was announced with z/VM 5.2.)

Further, with z/VM 5.3 we also stated our intent to withdraw in a future 
release:
- NDB (an old SQL/DB2 access method)
- TFTP (trivial and anonymous FTP)
- X.25 support via a 37xx controller
- Imbedded IP-over-SNA (SNALINK) in a future release.

Now on to Kerberos....

Is anyone Out There actively building CMS Kerberos apps or who is 
depending on the z/VM Kerberos daemon for outboard Kerberos apps?  I would 
like to consider dropping Kerberos from the suite of z/VM services at some 
point, but I need some feedback from any active users or from anyone who 
has been seriously considering adding Kerberos to your stable of VM 
services.

Naturally, if you're not using z/VM Kerberos, you don't need to speak up. 
Having a list of people NOT using Kerberos isn't very useful to me.  :-) 
If you feel uncomfortable posting here, I'll accept off-list mail as well.

Kerberos state of the art:
- IBM does not provide any CMS kerberized applications other than samples
- The CMS programming API and server application are at Kerberos v4
- MIT no longer publishes patches for Kerberos v4
- Kerberos v5 is the standard du jour
- z/VM is focused on support for X.509 certificates and TLS/SSL for 
privacy, data integrity, and authentication

In case anyone is wondering what's left, that would leave z/VM with its 
core services:
- rexec
- telnet
- smtp
- snmp
- ftp
- uft
- lpr
- nfs
- ldap
- imap
- dns
- dhcp
- rpc
- cim (via Linux-based appliance)

Alan Altmark
z/VM Development
IBM Endicott

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