APC IP DSLAM Betriebsanweisung PDF herunterladen (Seite 21)

Introduction to the EDA 1200 System

ECN, a user name and a password are the parameters that must be

defined for authentication.

• If encryption is required the enclosed PDU and some of the fields in the

message header is encrypted. For encryption a password must be defined.

• 3 different groups (Context names) are defined with access to different

MIBs, and a user must belong to one of these groups, see Table 4 on

page 17. Access rights are defined by read-only and read-write permission

and three security levels are defined:

No security activated – Authenticates a packet by a string match of

the username and context name.

User authentication is activated - Authenticates a packet by using the

HMAC-MD5 or HMAC-SHA algorithms.

User authentication and encryption is activated - Authenticates a

packet by using the HMAC-MD5 or HMAC-SHA algorithms. Encryption

is done using the algorithm CBC-DES (DES-56).

Table 4 User Groups

Groups

(Context name)

Access

Security Level

Users

(Predefined)

Administrator Read-Write User authenticati

on and encryption

is activated

PEM

Guest Read-only User authenticati

on is activated

Guest

Public Read-only No security

activated

Public

It is possible to define new users belonging to the Administrator, Guest and

Public groups.

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APC IP DSLAM Betriebsanweisung Seite 21