Limiting and Controlling Access
Preventing Modification of Machine Settings
The machine settings that can be modified depend on the type of administrator account.
Register the administrators so that users cannot change the administrator settings. For details about
preventing modification of machine settings, see “Preventing Modification of Machine Settings”.
Limiting Available Functions
To prevent unauthorized operation, you can specify who is allowed to access each of the machine's
functions. For details about limiting available functions for users and groups, see “Limiting Available
Functions”.
• p.91 "Preventing Modification of Machine Settings"
• p.92 "Limiting Available Functions"
Enhanced Network Security
Preventing Unauthorized Access
You can limit IP addresses or disable ports to prevent unauthorized access over the network and
protect the address book, stored files, and default settings. For details about preventing unauthorized
access, see “Preventing Unauthorized Access”.
Safer Communication Using SSL and SNMPv3
You can encrypt this machine's transmissions using SSL and SNMPv3. By encrypting transmitted data
and safeguarding the transmission route, you can prevent sent data from being intercepted, analyzed,
and tampered with. For details about safer communication using SSL and SNMPv3, see “Protection
Using Encryption”.
• p.97 "Preventing Unauthorized Access"
• p.108 "Protection Using Encryption"
Security Measures Provided by this Machine
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