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Hello, please can a corrupt firewall prevent an HMI from powering UP ?
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nyame:
Hello, please can a corrupt firewall prevent an HMI from powering UP ?
Kilrah:
Maybe?
perieanuo:
Hi,what's an hmi?


Envoyé de mon iPad en utilisant Tapatalk
dmills:
Possibly, if the thing is trying to do a network boot via something like TFTP or NFS or such from a server in whatever it is controlling (fairly commonplace), but I would normally expect these to be in the same network.
Still if you did something like misconfigure the firewall to cause an address collision I don't see why not.

Wireshark can be very much your friend for debugging this kind of thing.

Regards, Dan.
Kilrah:

--- Quote from: perieanuo on December 13, 2018, 05:08:02 pm ---Hi,what's an hmi?

--- End quote ---
Human-Machine Interface. Industrial control panel.

But he gave zero info about what kind he has and his setup, so "maybe" is the best answer he can get.
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