Anti-passback açıklaması aşağıda faydası olur
Passback means that a card holder unlocks a controlled door with a valid command key
and then passes the key back to another individual who then uses it to unlock the door/gate
again, thus gaining unauthorized access to the controlled area. Under anti-passback
control, each time a card holder presents a command key to an entry reader and enters a
controlled area the key must be presented again to an exit reader and the card holder must
exit the controlled area before another access request will be accepted by an entry reader
without a violation.
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