Nortel Networks 3500, NTRN10AN Password management, Logical flow of intrusion attempt handling

Operation, administration, and maintenance (OAM) features 2-135

Figure 2-42

Logical flow of intrusion attempt handling

EX1098p

Login

Denied

Login Attempt
Is Port	Yes
Locked Out ?

Reject

Login

No

Is	Yes
Login Valid ?

No

Increment Login Counter

Reset Login

Counter

Is		Yes	- Add to Lockout List
Counter at Max ?			- Raise Alarm
			- Start Lockout Timer
	No

Password management

Password restrictions

For the OPTera Metro 3500 network element, use a password identifier (PID) to activate a user login session to the user-ID (UID) specified, or to change the current PID. The PID is a confidential code to qualify the authorized system user’s access to the account specified by a UID. PIDs are between 8 and 10 characters in length with a combination of alphanumeric (A-Z, 0-9) and special characters. The following special characters are supported for the password:

! ” # $ % ’ () * + - . / < = > @ [ ] ^ _ ‘{} ~

See Enhanced password restrictions on page 2-136for password restrictions.

The following characters are not supported for the PID:

•semicolon (;)

•colon(:)

•ampersand (&)

•comma (,)

•all control characters

Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004