Disable MD5 password format in Solaris 9

From: regatta (regatta@gmail.com)
Date: Tue Aug 16 2005 - 11:20:50 EDT


Hi

We have very large environment (Irix, Solaris 8/9 and Redhat Linux)

As you know :
In Redhat Linux, MD5 is enabled by default
and In Solaris 9 MD5 is supported but not enabled by default

our NIS server is Solaris 9 so when some one change his password
(using yppasswd) in his Solaris workstation it will change it in the
NIS with the default password format (I think its __UNIX__)

anyway when someone do yppasswd to change the password in Linux it
will format it in MD5 and send it to our NIS server and Solaris will
understand it and save it as MD5 so when the user after that try to
telnet to Irix or Solaris 8 he will not able (since they don't support
MD5 format)

we did know about this issue this month so we disabled the MD5 format
in all Linux workstations but still some users had MD5 format and
even if they try to change it by them self (Using Linux or Solaris 9
workstation) the NIS server (Again Solaris 9) will keep saving it in
MD5 format

my question is there anyway to make Solaris 9 reformat any password he
receive to the normal format ? or at less denie any password with MD5
so the user will have to contact us and we can then reset his password
?

Thanks

--
Best Regards,
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