Blue Coat OPT-1000-2499-3YR User Manual download pdf (Page 38)

4. BASIC CONCEPTS

Some basic concepts will be explained below, which are necessary in order to be

able to properly administer OPTENET. These concepts will appear in the administration

part.

4.1. User

Given that OPTENET communicates with a proxy (like Squid, ISA or OPTENET proxy), or

with an appliance or cache that serves as a proxy (like BlueCoat or NetCache) the

concept of a user is the same as the concept of a user for these proxies. This means that

OPTENET recognises the users that are identified by the proxies. Warning, these users

can be independent from the users of the operating systems of all the machines that

access the Internet via the proxy.

However, OPTENET also allows User Authentication based on NT domains or LDAP

servers (see section 5.4).

4.2. Group

Users can normally form part of one or various groups. Neither ISA, nor SQUID, nor any

versions of BlueCoat prior to 3 pass on to OPTENET information regarding the groups to

which the user who is making the request belongs. Only NetCache and BlueCoat after

version 3 inclusive provide this information. This means that OPTENET, in order to be

able to obtain this information, must communicate with some NT dominion or LDAP

server. With regard to the configuration of this service, read Section 5.4 of this manual.

4.3. IP address

TCP/IP are the abbreviations for Transmission Control Protocol/Internet Protocol, the

language that governs all communications between computers on the Internet. All

computers connected to the Internet have a unique address assigned, with the following

format:

aaa.bbb.ccc.ddd

As part of an OPTENET rule, it is going to be possible to include the IP addresses of all

client computers who are going to access the Internet.

However, you must bear in mind that on occasions a linked proxy is placed before the

filter and this may cause all the requests to be identified with this proxy’s IP; consult your

proxy’s configuration if this effect occurs when not required.

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Blue Coat OPT-1000-2499-3YR User Manual Page 38