Siemens SENTRON PAC4220 - 7.2.4 Device Access Control (IP Allowlist)

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7.2.4 Device access control (IP allowlist)
The IP allo
w
list is a con󹪝gurable access protection. If the IP allowlist is activated, Modbus TCP
write commands are only accepted if the remote station is located in the same subnet.
The IP allowlist can be activated on the device in the "Communication" submenu of the
"Settings" menu.
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Parameterizing
7.2Protection against tampering
PAC4220
Equipment Manual, L1V30827278B-01 91