WebConsole - Security Options
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NX-Series Controllers - WebConsole & Programming Guide
User and Role Name Rules
User account and role names must follow these rules:
Case-sensitive
Must be between 4 and 20 alpha-numeric characters: A-Z, a-z, 0-9
The following characters are allowed: - _ . # and <space>.
Password Rules
The rules for changing a password vary according to the Password Complexity setting for the user. A user’s password complexity
can be set to Low, Medium, or High.
Low
- Minimum length is 4 characters, and must be different from previous password.
Medium
- Minimum length is 8 characters, must contain characters from 3 character classes listed in the table below, must
contain at least 4 changes from the previous password, and must be different from the previous 10 passwords.
High
- Minimum length is 15 characters, must contain characters from all of the characters classes listed in the table below,
must contain at least 8 changes from the previous password, and must be different from the previous 30 passwords.
The requirements for each setting are listed in the following table:
The definitions of each requirement are listed below:
Case Change Only:
A new password cannot differ from the previous passwords solely by a change in case (upper/lower)
Character Classes Required:
A password must contain characters from a set number of character classes. See the
Character Classes table below for the list and definitions of character classes.
Library Check:
The password cannot contain a word from a dictionary file supplied with the OS.
Minimum Length:
The password must contain a minimum set number of characters.
Palindrome Check:
The password does not contain a palindrome of a 7-letter length or greater.
Same Consecutive Characters:
The password does not contain more than a set number of the same consecutive
characters.
Similarity Check:
The password differs from the previous password by a set number of characters.
User Name Check:
The password does not contain the user’s user name.
Different from Previous # of Passwords:
The password differs from a set number of previous passwords.
The following table lists the characters available in each character class:
Password Complexity Requirements
Requirement
Low
Medium
High
Case Change Only
No
No
Yes
Character Classes Required
0
3
4
Library Check
No
No
Yes
Minimum Length
4
8
15
Palindrome Check
No
No
Yes
Same Consecutive Characters
No check
5
3
Similarity Check
1
4
8
User Name Check (straight or reversed)
No
Yes
Yes
Different from Previous # of Passwords
1
10
30
Character Classes
Character Class
Example
Uppercase Letters
A-Z
Lowercase Letters
a-z
Numbers
0-9
Other Characters
`~ ! @ # $ % ^ & * ( ) _ - + = { } [ ] \ | : ; " ' <> , . ?/ (including "space")
