Let´s Encrypt : HomeAssistant : Download failed

BoFrost76 · January 13, 2023, 7:16am

Hello there, letßs encrpt is running on mit Raspberry PI with HomeAssistant in Version 2023.1.4.
Since last Night i cant enter my Application on Iphone with my DuckDns-Account "my-domain".duckdns.org.

When i am running the let´s encrypt application on homeassistant the following message ist coming.

Certbot failed to authenticate some domains (authenticator: standalone). The Certificate Authority reported these problems:
Domain: mydomain.duckdns.org
Type: connection
Detail: 92.73.51.232: Fetching http://mydomain.duckdns.org/.well-known/acme-challenge/OaKfI5Mmzf_Nd8Y9SLKIkiB_uj4ifVRFEhymetVBURg: Error getting validation data
Hint: The Certificate Authority failed to download the challenge files from the temporary standalone webserver started by Certbot on port 80. Ensure that the listed domains point to this machine and that it can accept inbound connections from the internet.
Some challenges have failed.

Yesterday everything was fine......today i have this issue. Can anybody help me?

mcpherrinm · January 13, 2023, 7:50am

The easiest way to use DuckDNS and Home Assistant is with the DuckDNS addon:

github.com

home-assistant/addons/blob/master/duckdns/DOCS.md

# Home Assistant Add-on: DuckDNS

## Installation

Follow these steps to get the add-on installed on your system:

1. Navigate in your Home Assistant frontend to **Supervisor** -> **Add-on Store**.
2. Find the "DuckDNS" add-on and click it.
3. Click on the "INSTALL" button.

## How to use

1. Visit [DuckDNS.org](https://www.duckdns.org/) and create an account by logging in through any of the available account services (Google, Github, Twitter, Persona, Reddit).
2. In the `Domains` section, type the name of the subdomain you wish to register and click `add domain`.
3. If registration was a success, the subdomain is listed in the `Domains` section along with `current ip` being the public IP address of the device you are currently using to access `duckdns.org`. The IP address will be updated by the DuckDNS add-on.
4. In the DuckDNS add-on configuration, perform the following:
    - Copy the DuckDNS token (listed at the top of the page where account details are displayed) from `duckdns.org` and paste into the `token` option.
    - Update the `domains` option with the full domain name you registered. E.g., `my-domain.duckdns.org`.

## Configuration

This file has been truncated. show original

It includes a Let’s Encrypt client to get certificates automatically.

BoFrost76 · January 13, 2023, 8:41am

hi, thanks for your answer.
i try to configure the duckDNS Application on HomeAssistant. The next error is that the domain is not accepted after entering and confirming with "Enter". The browser is Chrome or Firefox. Everytime the same issue. If I then enter my token, the domain disappears again.i'm at a loss

mcpherrinm · January 13, 2023, 3:44pm

I'm not sure what the problem may be. Perhaps the Home Assistant community would be better able to help: https://community.home-assistant.io/

system · February 12, 2023, 3:45pm

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Let´s Encrypt : HomeAssistant : Download failed

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