How to use this document – Kanguru Common Criteria Evaluated v1.21 User Manual
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1.2 How to use this document
The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”,
“SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be
interpreted as described in RFC 21this document
avoids the terms “SHOULD” and “SHOULD NOT” that are defined in RFC 2119.
Requirements are either absolute (and marked with MUST and equivalent terms), or entirely optional
(in the sense of not affecting required security functions) and marked with RECOMMENDED, MAY or
OPTIONAL.
If you follow the requirements in this document when setting up and using the devices, your configuration
will match the evaluated configuration. Certain configuration options are marked as OPTIONAL and
you MAY modify them as needed, but you MUST NOT make other changes, because they will make the
system fail to match the evaluated configuration.
Of course, you MUST always use common sense. This document is not a formal specification, and
legitimate reasons can exist to modify the device setup in ways not described here if that is necessary for
the system to fulfill its intended purpose. Specifically, applying security patches released by the Kanguru
is strongly RECOMMENDED even though that will cause a deviation from the evaluated configuration.
In cases where the requirements and recommendations in this document conflict with those in other sources
(such as the provided manuals), the information in this configuration guide has higher precedence. You
MUST follow the steps described here to reach the evaluated configuration, even if other documentation
describes different methods.
Introduction