7-1
7110-A2-GB20-00
June 1997
Security
7
Overview
The DSU/CSU provides several methods of security by limiting user access to the
ATI through option settings. Refer to the
ATI Access
section on page 7-4.
Enable the Login Required option to require a Login ID for the:
— Terminal Port
— Telnet Session via the IP interfaces (the Management port or the FDL)
Limit the access:
— Port Access Level option of 1, 2, or 3 for the Terminal port
— Session Access Level option of 1, 2 or 3 for the Telnet Session
Disable the access:
— Telnet Session option
— Management Port Use option
— Facility Data Link (FDL) option
— Dial-In Access option for an External Device
Refer to
Effective Access Levels
, Table 7-1.
SNMP security is handled through Community Names with access levels and
IP address validation. Refer to the
Controlling SNMP Access
section on
page 7-6.