User`s guide

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USER’S GUIDE masterswitch plus
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Authentication
Authentication versus encryption
You can select to use security features for the MasterSwitch Plus that
control access by providing basic authentication through user names,
passwords, and
IP addresses, without using encryption. These basic
security features are sufficient for most environments in which sensitive
data are not being transferred.
For a security method that provides additional authentication for the Web
interface, but does not provide the higher security of encryption, use
Message Digest 5 (MD5) Authentication.
Firewalls
Although some methods of authentication provide a higher level of security
than others, complete protection from security breaches is almost
impossible to achieve. Well-configured firewalls are an essential element in
an overall security scheme.