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Full Discussion: how unix called as secure
Top Forums UNIX for Dummies Questions & Answers how unix called as secure Post 302121736 by porter on Monday 18th of June 2007 07:10:38 AM
Old 06-18-2007
UNIX can be secure, it all depends how it configured.

The process of making a system more secure is called hardening and basically involves auditing the machine and ensuring all known holes are closed.

However more secure system can be seen as being restrictive by users and they often attempt to thwart computer security, such as using weak passwords, enabling insecure daemons etc.

More recent release have improved in this aspect, for example by not enabling telnet, ftp by default.
 

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LEARN ABOUT FREEBSD

keylogout

KEYLOGOUT(1)						    BSD General Commands Manual 					      KEYLOGOUT(1)

NAME

     keylogout -- delete stored secret key

SYNOPSIS

     keylogout [-f]

DESCRIPTION

     The keylogout utility deletes the key stored by the key server process keyserv(8) to be used by any secure network services, such as NFS.
     Further access to the key is revoked, however current session keys may remain valid till they expire, or are refreshed.  This option will
     cause any background jobs that need secure RPC services to fail, and any scheduled at jobs that need the key to fail.  Also since only one
     copy is kept on a machine of the key, it is a bad idea to place this in your .logout file since it will affect other sessions on the same
     machine.

     The following option is available:

     -f      Forget the rootkey.  This will break secure NFS if it is done on a server.

SEE ALSO

     chkey(1), keylogin(1), login(1), publickey(5), keyserv(8), newkey(8)

BSD
								  April 15, 1989							       BSD
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