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version 1.1, 2001/02/10 17:07:47 version 1.3, 2001/02/15 15:58:38
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 Scott Harrison  Scott Harrison
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 Last updated: 02/10/2001  Last updated: 02/15/2001
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 This file describes issues associated with managing user  This file describes issues associated with managing user
Line 16  passwords on a LON-CAPA system. Line 16  passwords on a LON-CAPA system.
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 <H3>Latest HOWTO</H3>  <H3>Latest HOWTO</H3>
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   There are three main topics when considering user passwords:
   authentication, accessing the file system, and web-based access.
   </P>
   <P>
   Authentication is covered in a separate document.  I will briefly
   mention that LON-CAPA supports different kinds of authentication
   that can be customized for use within different institutional computing
   environments.  Authentication, whether it be related to web-based access,
   or accessing the file system, is strictly the job of library servers,
   not access servers.
   </P>
   <P>
   Web-based access is initiated through a javascript encrypted protocol.
   The server enables access to LON-CAPA from the client IP address until
   the user logs out, or time expires without any action made by the user
   on the web pages.  Web-based access is something which is implemented
   for the full range of users--from students to course administrators
   to content developers.  LON-CAPA relies upon the /home/httpd/lonUsers/
   directories to store information about password authentication for
   the users of a given system.
   </P>
   <P>
   Something which is not implemented for the full range of users, but
   which is reserved for content developers, is file system access.
   LON-CAPA provides for a wide range of file system access including
   SSH, Samba (Windows Network Neighborhood), Appleshares, an FTP.
   Three files are involved with coordinating file system access:
   /etc/group, /etc/smbpasswd, and /etc/passwd.
   </P>
   <P>
   Correctly handling the contents of /home/httpd/lonUsers directories,
   and the /etc/group, /etc/smbpasswd, and /etc/passwd files is of
   critical importance to ensure uninterrupted access to the LON-CAPA
   network.
   </P>
   <P>
   This document will be developed further.
 </P>  </P>
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