Honeywell evohome ssl certificate | Home Assistant | Page 1

pearl parcel Dec 12, 2024, 10:07 AM

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Had to update home assistant docker container and noticed the following error for evohome:

Failed to authenticate with the vendor's server. Check your username and password. NB: Some special password characters that work correctly via the website will not work via the web API. Message is: Cannot connect to host tccna.honeywell.com:443 ssl:True [SSLCertVerificationError: (1, "[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'tccna.honeywell.com'. (_ssl.c:1020)")]
please help…

still timber Dec 12, 2024, 10:19 AM

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That's a problem at their end, not in HA

graceful furnace Dec 12, 2024, 11:34 AM

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still timber That's a problem at their end, not in HA

Same problem here.
Although I agree it is a problem on the honeywell side, according to what I understand HAS needs to update the WebAPI URL to https://mytotalconnectcomfort.com/WebApi
This URL also does not have an SSL issue (right now that is).

graceful furnace Dec 12, 2024, 11:35 AM

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pearl parcel Had to update home assistant docker container and noticed the following error fo...

As a short term workaround in homeassistant/lib/python3.12/site-packages/evohomeasync2/const.py set the following:
URL_HOST: Final = "https://mytotalconnectcomfort.com"

Honeywell | Total Connect Comfort

Honeywell’s Total Connect Comfort delivers comfort, peace of mind and energy efficiency to both homeowners around the world and business owners alike.

still timber Dec 12, 2024, 11:52 AM

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Is there an open issue, or even a PR, about it?

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||I just checked, no, so somebody needs to do that||

graceful furnace Dec 12, 2024, 12:19 PM

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I am not sure, I actually would not know where to check

still timber Dec 12, 2024, 12:31 PM

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On every integration page there's a link to known issues

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Both in HA and in the docs

#Honeywell evohome ssl certificate