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“Locked” Life Time field passes, or unless an authorized
staff member manually unlocks that user’s workstation (see
Go to X Strikes Unlock Workstation GUI in this section).
Overblocking or Underblocking
NOTES
: In order to prevent overblocking, unacceptable Internet
images/links are allowed to pass by if they display within the four-
second tolerance time range of a given strike. Thus, only one
strike will count against a user who visits a Web page embedded
with multiple, unacceptable images/links, if these images/links
load within four seconds of that strike. Banners and IM/P2P sites
included in the library are white listed and do not count as strikes.
If users are receiving too many strikes or too few strikes
within a given period of time, you may need to modify the
configuration settings.
Sample Settings:
• Maximum strikes =
5
• Time span for the maximum number of strikes =
5
minutes
Within a five-minute period, if a user accesses five sites that
contain blocked material, that user will be locked out of his/
her workstation for five minutes. However, since the toler-
ance timer is set at four seconds, a user could potentially
receive five strikes within 16 seconds if he/she accesses a
page with multiple, inappropriate images and/or links that
load on each page within four seconds. In this scenario, the
first strike would be delivered at 0 seconds, the second at 4
seconds, the third at 8 seconds, the fourth at 12 seconds,
and the fifth at 16 seconds.
If the configuration settings for this example overblock too
many users too frequently:
• the time span for the maximum number of strikes may
need to be increased
Содержание Enterprise Filter Authentication R3000
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