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RMX 2000 Administrator's Guide - Polycom Support

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<strong>Polycom</strong> <strong>RMX</strong> <strong>2000</strong>/4000 Administrator’s <strong>Guide</strong><br />

• Passwords cannot contain the User ID (User Name) in any form.<br />

Example: A user with a User ID, ben, is not permitted to use<br />

“123BeN321” as a password because BeN is similar to the User ID.<br />

• Passwords cannot contain more than four digits in succession.<br />

When the strong password option is enabled and the password does not<br />

meet the Strong Password requirements an error, Password characteristics<br />

do not comply with Enhance Security requirements, is displayed.<br />

Password Length<br />

The length of passwords is determined by the value of the<br />

MIN_PASSWORD_LENGTH System Flag.<br />

• Possible flag values are between 0 and 20.<br />

• A System Flag value of 0 means this rule is not enforced, however this<br />

rule cannot be disabled when the <strong>RMX</strong> is in Enhanced Security Mode.<br />

• In Enhanced Security Mode, passwords must be at least 15 characters in<br />

length (default) and can be up to 20 characters in length.<br />

• If the MIN_PASSWORD_LENGTH flag is enabled and the password<br />

does not meet the required length an error, Password is too short, is<br />

displayed.<br />

If the minimum password length is increased, valid pre-existing<br />

passwords remain valid until users are forced to change their passwords.<br />

Implementing Password Re-Use / History Rules<br />

Users are prevented from re-using previous passwords by keeping a list<br />

of previous passwords. If a password is recorded in the list, it cannot be<br />

re-used. The list is cyclic, with the most recently recorded password<br />

causing the deletion of the oldest recorded password.<br />

• The number of passwords that are recorded is determined by the<br />

value of the PASSWORD_HISTORY_SIZE System Flag. Possible<br />

values are between 0 and 16.<br />

• A flag value of 0 means the rule is not enforced, however this rule<br />

cannot be disabled when the <strong>RMX</strong> is in Enhanced Security Mode.<br />

• In Enhanced Security Mode, at least 10 passwords (default) and up to<br />

16 passwords must be retained.<br />

If the password does not meet this requirement, an error, New password<br />

was used recently, is displayed.<br />

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