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4-1
7112-A2-GB20-20
March 1998
Security
4
Overview
The DSU/CSU provides several methods of security by limiting user access to the
ATI through option settings. Refer to
ATI Access
on page 4-4.
H Enable the Login Required option to require a Login ID for the:
— Terminal Port
— Telnet Session
H 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
H Disable the access:
— Telnet Session option
— Facility Data Link (FDL) option
— Ethernet Port Use option
SNMP security is handled through Community Names with access levels and
IP address validation. Refer to
Controlling SNMP Access
on page 4-6.