Subject:  UnixWare 7.0.1: libnsl Supplement
Advisory number:  n/a
Issue date:  n/a
ftp://stage.caldera.com/pub/security/sse/ptf7206b

Dear SCO Customer,

Support Level Supplement (SLS) ptf7206b, the UnixWare 7.0.1 libnsl 
Supplement, contains modifications to address the following problems:

1. Problem where logging in over a modem using cu(1bnu) fails for any 
   of these reasons:

   - If the user does not complete the login within 4 seconds, the
     login attempt is killed and restarted.
   - If the users shell is /bin/sh the shell prompt is displayed
     and then the login is killed (and the line is hung up).
   - ttymon with the P flag does not allow non-PPP logins to work
     correctly.
   - ttymon sets alarm which is never canceled.

New in SLS ptf7206b:

2. Corrected  yp_match() to avoid getting stuck in an infinite sleep loop 
   when NIS is configured and gethostbyname() is called with a long name
   (rejects keys longer than YPMAXRECORD). 


SLS ptf7206b contains:

        /usr/lib/libnsl_i.so


Software Notes and Recommendations
----------------------------------

SLS ptf7206b should only be installed on: 

        UnixWare 7 Release 7.0.1


Installation Instructions
-------------------------

1. Download the ptf7206b.Z file to the /tmp directory on your machine.

2. As root, uncompress the file and add the SLS package to your system
   using these commands:

        $ su
        Password: <type your root password>
        # uncompress /tmp/ptf7206b.Z
        # pkgadd -d /tmp/ptf7206b
        # rm /tmp/ptf7206b

3. You will need to reboot the system after installing this SLS package.

The release notes displayed prior to installation can be found in:

        /var/sadm/pkg/ptf7206/install/ptf7206.txt


Removal Instructions
--------------------

1. As root, remove the SLS package using these commands:

        $ su
        Password: <type your root password>
        # pkgrm ptf7206

2. You will need to reboot the system after removing this SLS package.

If you have questions regarding this SLS, or the product on which 
it is installed, please contact your software supplier.