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1. Getting Started
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
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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.83 "Specifying Access Permission for Stored Files"
• p.125 "Preventing Modification of Machine Settings"
• p.130 "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, SNMPv3 and IPsec
You can encrypt this machine's transmissions using SSL, SNMPv3, and IPsec. 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, SNMPv3 and IPsec,
see "Protection Using Encryption".
• p.133 "Preventing Unauthorized Access"
• p.147 "Protection Using Encryption"
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