urmet domus IPerCom 3.1.0 System Technical Manual For The Installer page 21

3. Protection against "brute force" attacks aimed at discovering passwords in use.
To protect applications and software from possible "brute force" attacks, it is necessary to wait 5
seconds to enter a new password (if the previous one was wrong). This delay, combined with the
new password security requirements, makes this type of attack practically impractical for an
attacker.
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