Security; Modbus Tcp; Dos Attack - Honeywell Midas-M User Manual

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Security

Midas-M is shipped from the factory with security disabled. It is recommended to enable the
security function for safe use of the device. The security function can only be enabled through
the Set up > Security menu of the local UI and requires at least 8 of passwords. If the security
function is enabled, the web server can be accessed through HTTPS. And it is recommended to
clear the browser cache to access the web server through HTTP after security is disabled.

Modbus TCP

The MODBUS protocol does not have any authentication and integrity checking function. So the
bump-in-the wire solution is recommended using a network equipment with SSL VPN Firewall
function to protect the Midas-M from external attacks.

DOS attack

The web application may not work due to DoS attacks. The Midas device is even needed to
restart for the web application to work properly. So the bump-in-the wire solution is
recommended using a network firewall hardware solution that can detect and block DoS
attacks.
Midas-M
99
User Manual

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