Blue Coat Systems Time Clock Proxy SG Manual de usuario descargar pdf (Pagina 134)

ProxySG Content Policy Language Guide

134

time=

Tests if the time of day is in the specified range or an exact match. The current time is determined by

the ProxySG appliance’s configured clock and time zone by default, although the UTC time zone can

be specified by using the form

time.utc=. The numeric pattern used to test the time condition can

contain no whitespace.

Syntax

time[.utc]={[start_time]..[end_time]|exact_time}

where:

•

start_time—Four digits (nnnn) in 24-hour time format representing the start of a time range; for

example,

0900 specifies 9:00 a.m. If left blank, midnight (0000) is assumed.

•

end_time—Four digits (nnnn) in 24-hour time format representing the end of a time range; for

example,

1700 specifies 5:00 p.m. If left blank, 2359 (11:59 p.m.) is assumed.

•

exact_time—Four digits (nnnn) in 24-hour time format representing an exact time.

Note: To test against an inverted range, such as a range that crosses from one day into the next, the

following shorthand expression is available. While

time=(..0600|1900..) specifies

midnight to 6 a.m. and 7 p.m. to midnight, the policy language also recognizes

time=1900..0600 as equivalent.

Layer and Transaction Notes

• Use in all layers.

• Using time-related conditions to control caching behavior in a

<Cache> layer may cause thrashing

of the cached objects.

• Applies to all transactions.

Examples

; Tests for 3 a.m. to 1 p.m. UTC.

time.utc=0300..1300

; Allow access to a particular site only during 9 a.m.

; to noon UTC (presented in two forms).

; Restrict form:

<proxy>

deny url.host=special_event.com time=!0900..1200

; Grant form:

<proxy>

allow url.host=special_event.com time=0900..1200

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Blue Coat Systems Time Clock Proxy SG Manual de usuario Pagina 134