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Detection Of Unauthorized Access And Actions - Mitsubishi Electric FX5 User Manual

Melsec iq-f series, ethernet communication.
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Detection of unauthorized access and actions

When the password mismatch count reaches a fixed count (upper limit) in the unlock process of remote password, access is
locked out. If this occurs, unauthorized access from outside the system can be considered as a cause of the error.
Take the following actions as needed.
1.
Monitor the unlock failure count (SD10270 to SD10277) and identify the connection in which the mismatch count has
reached a fixed count (upper limit) in unlock processing. The continuous unlock lost counts also can be identified on the
"Ethernet Diagnostics" screen of GX Works3.
[Diagnostics]  [Ethernet Diagnostics]  "Status of Each Connection"
2.
Inform your system administrator that the number of unlock processing failures exceeded the limit, and take appropriate
actions.
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11 SECURITY FUNCTION
11.2 Remote Password
11
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