Examples of good passwords:
Despite the rules listed above, it is possible to pick secure passwords
that are easy to remember! The trick is to use a word that is easy
to remember for one reason or another. This is easiest with word
association. Listed below are some examples, but PLEASE don't use
these! No doubt they are in some word dictionaries!

Example: Three Blind Mice
Password: 3-BLmIc3

Example: Phoenix Arizona
Password: PHoeN$AZ

Example: Dinner Meeting
Password: yUm@WOrK

When should I change my password?
* You have had the same one for more than thirty days..

* You have told it to anyone (even Mom) or have written
it down anywhere..

* You have logged onto a system from another system
using unencrypted communication.

* You are notified that the password is weak by your
system admin..

Additional resources on password security
UNIX Password Security by Walter Belgers
This is a well written paper outlining not only the importance of
secure passwords, but a more technical description of the unix password
schemes and more.

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jericho@attrition.org
(c) copyright 1998, 1999 Brian Martin