Security
Authentication continued
Summary of access The following table describes each interface and its access methods.  | |||||
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Interface | Security Access | Notes  | |||
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  | Serial Control  | Access is by user name and  | Always enabled.  | |
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  | Console  | password.  | ||
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  | These methods are available:  | 
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  | Telnet Control  | • User name and password  | The user name and password  | |
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  | Console  | • Selectable server port  | are transmitted as plain text.  | |
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  | • Server Enable/Disable  | 
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  | These methods are available:  | NMS IP filters allow access  | |
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  | from either one IP address or  | ||
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  | • Community Name  | from multiple IP addresses.  | |
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  | You specify multiple NMSs not  | ||
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  | SNMP  | • NMS IP filters  | ||
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  | by their literal IP addresses but  | |||
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  | • Agent Enable/Disable  | ||
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  | in the format of an NMS IP filter.  | ||
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  | • Four access communities with  | ||
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  | See SNMP: Access Control on  | ||
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  | read/write/disable capability  | ||
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  | this page for more information.  | |
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  | These methods are available:  | 
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  | FTP Server  | • User name and password  | Only the Administrator account  | |
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  | • Selectable server port  | has access.  | |
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  | • Server Enable/Disable  | 
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  | These methods are available:  | In basic HTTP authentication  | |
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  | mode, the user name and  | ||
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  | • User name and password  | password are transmitted base-  | |
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  | Web Server  | 64 encoded (with no  | ||
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  | • Selectable server port  | |||
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  | encryption). MD5 authentication  | ||
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  | • Server Enable/Disable  | ||
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  | mode uses a user name and  | ||
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  | • MD5 Authentication option  | ||
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  | password phrase.  | ||
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MasterSwitch VM User’s Guide  | 30  |