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7610-A2-GB20-10
November 1997
Security
4
Security Overview
The DSU provides several methods of security by limiting user access to the ATI
through option settings. Refer to the
ATI Access
section.
H 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 IMC)
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
— Management Port Use option
— In-Band Management Channel Rate (bps) option for the IMC
— Dial-In Access option for an External Device
Refer to Effective Access Levels, Table 4-1.
SNMP security is handled through Community Names with access levels and
IP address validation. Refer to the
Controlling SNMP Access
section.