Axis 7100 Manual do Utilizador descarregar pdf (Página 149)

AXIS 7100 User’s Manual LDAP

149

Using the Boolean operators and a prefix notation, the basic

filters can be combined to form more complex ones. The ‘&’

character represents AND, the ‘|’ character represents OR and the

‘!’ character represents NOT. Here are some examples that

explain how to do that:

Note:

Less or

equal than

(<attr><=<va

lue>)

(sn<=Smith)

Surnames

lexicographically

less than or

equal to Smith.

Presence (<attr>=*) (sn=*)

All surnames.

Filter Type Format Example Matches

AND (&(<filter1>

)(<filter2>)

...)

(&(sn=smith)

(objectclass

=person))

Entries with an

object class of

person and a

surname exactly

equal to Smith.

OR (|(<filter1>

)(<filter2>)

...)

(|(sn=smith)

(cn=*smith))

Entries with a

surname exactly

equal to Smith

or a

commonname

ending in

“smith”.

NOT (!(<filter>)

)

(!(mail=*))

Entries without

a mail attribute.

It is wise to create filters that sort out unwanted entries based on their

object class. For example, in an address book, you might only want to

retrieve entries of the “people” class, with the common name “John”,

leaving out computers called John. This could be achieved with the

following filter: (&(objectclass=person)(cn=john))

Filter Type Format Example Matches

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