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[GH-ISSUE #1154] Support for Strato Let'e Encrypt DNS challenge #949
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Originally created by @psychofaktory on GitHub (Jun 5, 2021).
Original GitHub issue: https://github.com/NginxProxyManager/nginx-proxy-manager/issues/1154
What provider would you like to see added to NPM?
Strato
Have you checked if a certbot plugin exists?
I found this here:
https://github.com/Buxdehuda/strato-certbot
@chaptergy commented on GitHub (Jun 6, 2021):
Unfortunately the current version of NPM only supports DNS-challenge providers which have a certbot dns plugin. The link you posted is only a manual auth hook certbot integration, which is not supported. And it seems there currently is no actual certbot dns plugin.
@psychofaktory commented on GitHub (Jun 8, 2021):
For others with the same problem:
Not a certbot dns plugin, but I've got it managed to get a wildcart cert with the workaround mentioned here:
Setup proxy host in NPM (Nginx Proxy Manager) for both domain and wildcard subdomain
Setup SSL certificate for just the domain (wildcard input is currently not possible).
Up until here you should have SSL working for the domain, but not the subdomains.
In my case NginxProxyManager is a Docker-Container running on Unraid, so /config ist mounted to /mnt/user/appdata/NginxProxyManager
Copy auth-hook.py to /config/letsencrypt/renewal-hooks/deploy/
Make auth-hook.py executable:
chmod a+x /config/letsencrypt/renewal-hooks/deploy/auth-hook.pyCreate strato-auth.json in /config/letsencrypt/renewal-hooks/deploy/
{"username": "<username>","password": "<password>"}Replace
with open("strato-auth.json") as file:in /config/letsencrypt/renewal-hooks/deploy/auth-hook.py withwith open ("/config/letsencrypt/renewal-hooks/deploy/strato-auth.json") as file:Change permissions:
chmod 0400 /config/letsencrypt/renewal-hooks/deploy/strato-auth.jsonModify /config/letsencrypt/renewal/npm-.conf and update the section [renewalparams]:
authenticator = manualmanual_public_ip_logging_ok = Truemanual_auth_hook = /config/letsencrypt/renewal-hooks/deploy/auth-hook.pyExtend the certificate (replace
<domain>):certbot certonly --manual --cert-name npm-5 --expand -d <domain>,*.<domain> --manual-auth-hook=/config/letse ncrypt/renewal-hooks/deploy/auth-hook.pyNow the cert setup in step 2. contains an wildcard-alias an can be assigned to the wildcard subdomain from step 1.
I hope this help some.
@BeSve commented on GitHub (Nov 8, 2022):
Thanks for your how to.
Will this automaticly update the certificate every 90 days or have I do this manualy?
Or is there a way to execute the command mentioned under 10 every n days?
Thanks a lot.
@psychofaktory commented on GitHub (Nov 9, 2022):
When the SSL certificate is created in step 2, NPP automatically creates a job that regularly renews the certificate.
@Substanzlos commented on GitHub (Feb 21, 2023):
Hi, some things i have noticed.
(All files mentioned come from here: https://github.com/Buxdehuda/strato-certbot)
Okay, after this, your workaround works, but i get this error message, even so the certificate generation works:
After issuing point 8. of the workaround i get this output.
[...]
Renewing an existing certificate for abc.xyz and *abc.xyz
Hook 'deploy-hook' reported error code 1
Hook 'deploy-hook' ran with error output:
Traceback (most recent call last):
File "/etc/letsencrypt/renewal-hooks/deploy/auth-hook.py", line 42, in
main()
File "/etc/letsencrypt/renewal-hooks/deploy/auth-hook.py", line 25, in main
strato = CertbotStratoApi()
File "/etc/letsencrypt/renewal-hooks/deploy/certbotstratoapi.py", line 17, in init
self.txt_value = os.environ['CERTBOT_VALIDATION']
File "/usr/lib/python3.7/os.py", line 678, in getitem
raise KeyError(key) from None
KeyError: 'CERTBOT_VALIDATION'
Successfully received certificate.
[...]
Any ideas?
@FlixMa commented on GitHub (Mar 5, 2023):
I modified the code from the aforementioned repository to provide a regular certbot dns authentication plugin, which can be directly integrated into NPM (see here).
If you would like to give it a try, follow these instructions.
The dns plugin configuration in
globals/certbot-dns-plugins.jsshould be adjusted to include the service for Strato:I was successful using option 2 mentioned in the linked comment.
An exemplary
docker-compose.ymlcould be:Note that the code is still in an experimental stage.
@Substanzlos commented on GitHub (May 17, 2023):
Nice work. :)
Where do i need to place the files from your repository?
@FlixMa commented on GitHub (May 18, 2023):
Thank you :-)
You don't need to touch my repository -- it is just a place for the plugin to live. The code is uploaded to PyPi so it is available from anywhere where there is python pip installed. Thus npm can grab it by itself. You just need to introduce this plugin to npm by inserting the given configuration snippet posted above and then building the npm frontend from this repository.
Once that's done, you can use the build directory and mount it into your docker container at the specific location where the prebuilt frontend was living (you basically shadow it with the new version).
Then you're good to go. In fact I have this setup up and running since my post without any issues :-)
So what you need to do:
globals/certbot-dns-plugins.jsas shown above.sudo ./scripts/frontend-builddocker-compose.ymlas shown above (make sure to adjust the paths to point your local custom build. In my case it's located in./custom-npm/)(-: Hope this helps
@Substanzlos commented on GitHub (May 18, 2023):
Thank you. :)
You Pull requests got answered: https://github.com/NginxProxyManager/nginx-proxy-manager/pull/2929#issuecomment-1553032491
I've tested the docker image, works like a charm!
Thank you so much for your work!
@Yoshi315161 commented on GitHub (Aug 3, 2023):
Hi guys,
i postet this also in the Pull Request but dont know if anyone sees this there:
i read this and wanted to try it out but i think i dont get it...
how and what for things do i have to put in the challange textfield?
also my strato is locked with 2fa
is there an example file i can use?
sorry but i dont understand the things under user and pass...
and for the SSL Domain i need "*.DOMAIN.COM"? or without the * for wildcard?
this is the example:
dns_strato_username = user
dns_strato_password = pass
'# uncomment if domain name contains special characters
'# insert domain display name as seen on your account page here
'# dns_strato_domain_display_name = my-punicode-url.de
and now how to fill it?
the last two i dont understand...
do i have to remove the # and fill in something?
if i do i get an error....
i testet with:
'*.DOMAIN.com
dns_strato_username = NUMBERS
dns_strato_password = PASSWORD
dns_strato_totp_secret = BUNCH OF NUMBERS AND CARACTERS
dns_strato_totp_devicename = NAME OF TOTP
'# uncomment if domain name contains special characters <-- Leav this as it was
'# DOMAIN.COM
'# dns_strato_domain_display_name = *.DOMAIN.COM
pls help or point me a good example from someone who got it to work. it would be easier then the normal challenge then there are at time internal errors -,- (new request worked...)
thank you so much...
EDIT: have to put ' infront of # to avoid funky things...
@FlixMa commented on GitHub (Aug 4, 2023):
In the topmost field of the basic certificate settings it should say
*.domain.com(the CN, the certificate is issued for).In the custom configuration for strato dns you only need to add your domain name, if it has special characters in it (aka punycode). If that's the case you need to enter the name in the exact same spelling as it appears on your strato domain configuration overview page (on strato.de it's called "Paketübersicht"). In my case it shows without the asterisk. Otherwise, so if you do not provide the
dns_strato_domain_display_name, it is inferred from your CN.I guess you already tried both variants, rights? If that's the case, I might have spotted an error with TFA.
It might be a problem in the code of my python certbot plugin, where the credentials setup function does not include the
totpkeys.Since I did not configure it yet (shame on me), this didn't come to light.
Your configuration looks correct:
Please try as I explained, if you did not already do so and report back. Then I will proceed to making the adjustments in code.
Cheers
@Yoshi315161 commented on GitHub (Aug 4, 2023):
hi ho and thx for the answer,
ok then i think its easier to work with pictures...
i testet a lot, but i always get an Error so hier my config (as i understand from your text):
and this is the error i get:
Error: Command failed: certbot certonly --config "/etc/letsencrypt.ini" --work-dir "/tmp/letsencrypt-lib" --logs-dir "/tmp/letsencrypt-log" --cert-name "npm-30" --agree-tos --email "jxxxxxxxxxx.com" --domains "*.hxxxxxxxxxx.com" --authenticator dns-strato --dns-strato-credentials "/etc/letsencrypt/credentials/credentials-30" Saving debug log to /tmp/letsencrypt-log/letsencrypt.logDo i have to put something in Strato first? i own the domain but is something to do for the wildcard
*.hxxxxxxx.comSSL Cert?Thank you for your help :)
@Yoshi315161 commented on GitHub (Aug 17, 2023):
Do you have something new for me @FlixMa ?
@FlixMa commented on GitHub (Aug 18, 2023):
I am sorry, I didn’t have time to do it as I am currently on vacation. I’ll be back in September.
@ThomasKuijper commented on GitHub (Sep 15, 2023):
I tried the same @Yoshi315161, but im getting the same error.
I tried both with a wildcard and a specific hostname, both gave the same childprocess error.
I disabled TOTP and tried, but same problem.
Maybe strato changed something.
Is there something i can look for in the debug log?
////Update
I checked some more, what i think happens, is that the url you use in your 'certbotstratoapi.py' is for strato.DE
When you login with a login from another country, instead of loggin in right now, it redirects you to the login page for the correct country.
Is it an option to add the API url to the settings?
@FlixMa commented on GitHub (Sep 16, 2023):
Hey all, sorry for the late reply. I did not know, that strato was serving their page in other countries than Germany. So this actually might be cause for troubles with some users.
In the recent commit I added the option to fully customise the API endpoint:
custom_api_scheme,custom_api_host,custom_api_portandcustom_api_pathYou will probably only set the
custom_api_host, but yeah, might be nice to have in the future...I have just published a new version of the certbot strato dns challenge pypi package:
Please
pip installthis package and test whether your TXT records show up on Strato Management Site.You can use this snippet for testing:
The result should look like this:

I hope the NPM auto-updates the package soon, so you'll be able to use the additional options from inside NPM.
Don't forget to add the mandatory prefix in your NPM wildcard certificate configuration
dns_strato_. Socustom_api_hostneeds to be set asdns_strato_custom_api_host = www.strato.nl(e.g. for the Netherlands).Also please let me know, if this fixes the problem for you, @Yoshi315161.
And thank you @ThomasKuijper so much for investigating.
Cheers
@Yoshi315161 commented on GitHub (Sep 16, 2023):
Hey @FlixMa,
i hope you had a good vacation. My Strato is also in Germany.
I only updated the pip installation and now its working without changing anything..
AWESOME :)
now i have a wildcard with DNS Challange :D (and TOPT)
Thank you so much
my config is the same like the picture above the only difference is that i deletet the last three lines.
@FlixMa commented on GitHub (Sep 16, 2023):
Hey @Yoshi315161, vacation was alright; thanks for asking. Glad to hear you got it working. Then the issue might actually have been that the 2FA detection was not only broken for other countries, but also for strato.de. That is actually very likely as it was based on user-facing string matching, which of course might change more frequently than an API. I did. change that behaviour to be based on whether you provide 2FA credentials or not, to make it compatible with other languages.
Do you mind sharing how you updated the pip package inside your NPM docker container? This way others can profit as well :)
Have a nice weekend!
@Yoshi315161 commented on GitHub (Sep 16, 2023):
Ofcourse I can.
I have portainer installed in my Docker server.
So I Bash into the NPM Container and just Copied the install Bash from your link and press Enter:
pip install certbot-dns-strato==0.2.0
After that I tested again in NPM and it worked.
You too :)
@Anocos commented on GitHub (Sep 22, 2023):
Hi, when I run:
sudo ./scripts/frontend-buildsudo: ./scripts/frontend-build: command not foundfrontend-build file does not exist
Any suggestion
@FlixMa commented on GitHub (Sep 23, 2023):
The script has been moved to a subfolder:
scripts/ci/frontend-buildI am not sure if it will work, though. There might have been other breaking changes since spring 2023.
But may I ask, why you want to use those steps? The plugin should already show up without any additional changes since #2929 got merged. So you probably don’t need to build it for yourself :)
@Anocos commented on GitHub (Sep 23, 2023):
I have updated to the latest version 2.10.4 and I have already seen it
Now I will do tests
Thank you
@Anocos commented on GitHub (Sep 23, 2023):
When I try to create an SSL certificate it gives an error:
Error: Command failed: certbot certonly --config "/etc/letsencrypt.ini" --work-dir "/tmp/letsencrypt-lib" --logs-dir "/tmp/letsencrypt-log" --cert-name "npm-1" --agree-tos --email "xxxx@xxxx.es" --domains "xxxxxxxxx.es" --authenticator dns-strato --dns-strato-credentials "/etc/letsencrypt/credentials/credentials-1" Saving debug log to /tmp/letsencrypt-log/letsencrypt.logat ChildProcess.exithandler (node:child_process:402:12) at ChildProcess.emit (node:events:513:28) at maybeClose (node:internal/child_process:1100:16) at Socket. (node:internal/child_process:458:11) at Socket.emit (node:events:513:28) at Pipe. (node:net:301:12)I have also updated to version 0.2.0 from Portainer
@FlixMa commented on GitHub (Sep 24, 2023):
Unfortunately I haven't seen this error before. You can try to have a look into the debug log. There might be useful information inside. If you are unsure if this has to do with the strato plugin itself, you might want to post a new issue.
@Anocos commented on GitHub (Sep 24, 2023):
It's already solved.
It is necessary to put in the Credentials File Content section:
dns_strato_custom_api_host = www.strato.esIn case it helps anyone :)
@FlixMa commented on GitHub (Sep 24, 2023):
I added a more descriptive configuration template to simplify onboarding for new users. See pull request #3212 for more information.
@hamiller commented on GitHub (Jan 11, 2024):
looks as if this is broken again...
i think the
get_package_idmethod is not able to find the package ID.Maybe we could get completely rid of the method - or provide an override - and read an additional config field "dns_strato_package_id"?
@Yoshi315161 commented on GitHub (Jan 11, 2024):
Mine is still working...
Do you have updated your NPM Container?
If yes, you have to update the internal:
pip install certbot-dns-strato==0.2.0
again
its not importet yet...
sad because there were two container updates till now...
@Yoshi315161 commented on GitHub (Jan 19, 2024):
Now there was an update with your implementation BUT now it doesn’t work anymore…
and i can also do not update with pip because there is an error with command not found…
after i did an apt update and install pip there is an error that this Environment ist external managed… pip installation doesn‘t work…
Hope you can do some cool things so we can use it again (my cert will be expired early feb…)
I also tested to new create the SSL config. But there is also an error
CommandError: Saving debug log to /tmp/letsencrypt-log/letsencrypt.log
@thomas292 commented on GitHub (Jan 20, 2024):
Dear @FlixMa,
today I updated to Nginx Proxy Manager 2.11, which includes your fix as documented in the release notes.
Just got the same error as @Yoshi315161.
Thank you for any help.
Thomas
@thomas292 commented on GitHub (Jan 20, 2024):
@Yoshi315161
Just to clarify. Is there anything special you have configured on the Strato side?
@FlixMa commented on GitHub (Jan 21, 2024):
Hey all,
apparently Strato did change the way of accessing the individual packages.
In the past this was done through an absolute package id. Now this changed to incrementing numbers per account.
Hopefully the uploaded fix 0.2.1 will account for that. The tests on my end are looking fine.
Please try to update the pip package and let me know :-)
Felix
@Yoshi315161 commented on GitHub (Jan 21, 2024):
hey @FlixMa,
i tried to bash into console and do the
pip install certbot-dns-strato==0.2.1but i got thebash: pip: command not foundi think on the debian was something changed.. how to you got the update in your NPM container?
@thomas292
no i have nothing changed in strato
@dernilz commented on GitHub (Jan 21, 2024):
Hey,
to change the version of certbot plugin
the version has to be changes in the file
global/certbot-dns-plugins.json.This can either be done temporarily in the container
(exec into container, edit
/app/global/certbot-dns-plugins.json, restart container)or permanently by creating a custom image that inherits from the official image
(override
/app/global/certbot-dns-plugins.json).Search for this part and replace version with your desired version:
Disclaimer: I have not explicitly tested this fix
@tbreitha commented on GitHub (Jan 22, 2024):
With Version 0.2.1 it is still not working.


Here is my config/request incl. error message:
This is form the letsencrypt log after the request:
@KeenBockwurst commented on GitHub (Jan 22, 2024):
Same here.
cat global/certbot-dns-plugins.jsonalso used
Only get internal error
@tbreitha commented on GitHub (Jan 22, 2024):
I got it working now with the latest NPM in Docker:
Hope that helps
Cheers
Tom
@KeenBockwurst commented on GitHub (Jan 22, 2024):
@tbreitha
Did again what you posted just to be sure, but i get instantly internal error without anything else :/
@tbreitha commented on GitHub (Jan 22, 2024):
@KeenBockwurst Did again what you posted just to be sure, but i get instantly internal error without anything else :/
Strange, i did it twice now, on my system and friends system. It worked just fine.
@KeenBockwurst commented on GitHub (Jan 22, 2024):
Update: It worked with one certificat. The next one seems to timed out and after that one instantly internal errors :/
@FlixMa commented on GitHub (Jan 22, 2024):
This is very odd behaviour I haven’t seen so far.
Maybe you have two colliding renewals at the same time? If so try to only renew once the othe process did finish.
@ponchoboob commented on GitHub (Jan 27, 2024):
Hi, thank you for your plugin. When I first tried, i didn't work and I tried it manually with certbot the see how all this stuff actually works and it worked. There is a little issue with reading the password. Passwords beginning with '#' are not working. Guess it is interpreted as commentary. With updateing to version0.2.1 of your plugin it finally worked here for me, but the issue with passwords starting with # is still there.
kind regards,
robert
@FlixMa commented on GitHub (Jan 27, 2024):
Please try using quotes around it like so
dns_strato_password = "#mysupersecretpassword". Otherwise I guess the only option to get it working is to change the password to not include such problematic characters.@Yoshi315161 commented on GitHub (Jan 28, 2024):
how do you get pip install cert...... to work? i only get this error...

@nevyen commented on GitHub (Jan 29, 2024):
Which username and password are used?
The one to login into my account or the one which is used to login into dyndns?
@ponchoboob commented on GitHub (Jan 29, 2024):
Hi, just use your credentials that you use to login on the strato service portal.
Or to take your words, the "one to login into my account"...
kind regards.
@ponchoboob commented on GitHub (Jan 29, 2024):
Try setting the propagation time to 60 seconds or longer. When manually using Certbot with the DNS-01 challenge, you will see a message instructing you to wait for a specified amount of time after entering the provided key (challenge) into the CNAME field. Another possible issue could be the plugin itself. Since it employs web scraping techniques to log into your account and automate tasks, the webpage may not fully load. As a result, the plugin might not be able to locate the required HTML/CSS tags. Generally, most websites do not appreciate being scraped and have protections against it. This is why libraries such as Puppeteer (Node.js) offer proxy settings, as well as delay and wait mechanisms for web scraping.
kind regards.
@Cookiecollecto commented on GitHub (Feb 12, 2024):
Thank you so mutch! Its working again.
@Yoshi315161 commented on GitHub (Feb 12, 2024):
Can you explain how?
I am stuck at the point with pip install… i always got an error…
@Cookiecollecto commented on GitHub (Feb 12, 2024):
I followed the instructions step by step, and it worked in the end. I had no error, sry.
@FlixMa commented on GitHub (Feb 13, 2024):
Hey @Yoshi315161, did you try the suggestion at the end of the error message?
the Strato package doesn’t need to much dependencies. Good chance, nothing will break. Just saying that it might be worth a try, just make sure to have a backup.
@Yoshi315161 commented on GitHub (Feb 13, 2024):
Ok got it to work now
Thx for the hint FlixMa :)
If someone have the same problems with the error:
@nevyen commented on GitHub (Feb 14, 2024):
Hey I followed the instructions serveral times.
But I still get an Error.
I've got a guess what the problem is.
In my strato login are different packages. So on the first login I got the list with packages and need to select one before I can edit a domain.
It seems there is a param
cIDin the URL which select the right package.I tried to add it to the
custom_api_pathbut it seems this isn't the solution.@FlixMa maybe you got an idea how to manage it.
@FlixMa commented on GitHub (Feb 14, 2024):
The
cIDis determined automatically by the domain name you specify in the configuration.It is wrong to add it to the custom path. Is your cid 0 or 1 or something way higher like 6-digits? Strato did change this behaviour and broke it for my setup some weeks ago, but I thought I fixed that.
@Estradamis commented on GitHub (Feb 17, 2024):
Joining here as the steps provided didnt fix the issue :(
@speede83 commented on GitHub (Feb 18, 2024):
Thanks a lot. Updated NPM to v2.11.1 and updated the
certbot-dns-stratoto fix 0.2.1. I instatly was able to renew my wildcard certificat.@nevyen commented on GitHub (Feb 20, 2024):
I tried it once again but it didn't work
my Config is:
Propagation Seconds = 70
The log gives the following output
As you can see my cID above is 0 when I login into my account the cID is 1.
Maybe this is my problem.
@4EverChaos commented on GitHub (Feb 26, 2024):
This helped in my case, thanks for the steps!
@mwLabs-eu commented on GitHub (Mar 1, 2024):
Trying to setup a new LXC on proxmox but cannot get it to run. Requesting single subdomain certificates is working fine, but DNS challenge with strato isn't.
Already updated
certbot-dns-strato, modifiedcertbot-dns-plugins.jsonetc. but no success.2FA is NOT activated & no '#' inside my password.
NPM: v2.11.1 also tried with 2.10
Credentials File Content
Error in NPM
letsencrypt.log
Had it running in docker on unraid successful but want to move the critical applications to my proxmox cluster.
I would really appreciate your help here.
EDIT: I just saw, on my existing NPM on Unraid, also v2.11.1 I run into problems too, when renewing the domain (XXXXX.de) which I´ve tried with the new NPM container. When trying with one of my other domains (YYYYY.com), I can renew without problems. I´ve checked both config files, they are the same. So I have no idea why it's not working for that one domain.
In the new container, it is working with my second domain (YYYYY.com) too, with the first one (XXXXX.de) not. Tested with exactly the same settings but ran into the above issue.
@Vientus commented on GitHub (Mar 4, 2024):
Try to use your package password and your domain.
Go to your strato account and set your package password. Then check, if you can login to your strato account with your domain name (e.g. example.com) as user and for your password use your package password.
If that works, enter those credentials into the Credential File:
@anubis-genix commented on GitHub (Mar 7, 2024):
And I had assumed that it was just a bug in the older version. It was all the more annoying to discover that it doesn't work with the newer version either. It finally got it to work thanks to your instructions. Thanks a lot!
@mwLabs-eu commented on GitHub (Mar 7, 2024):
This finally worked for me! Thank you very much!!! 😁
@mwLabs-eu commented on GitHub (Mar 9, 2024):
Hey, again me. Looks like I was able to request a cert for my domain now. but it seems not to be a wildcard. There is no "*" in front of the domain, and we also receive the message from Firefox, that the domain name (subdomain) is missing in the cert.
EDIT: Also, whats interesting, now my default strato credentials are working again for this domain...
@Vientus commented on GitHub (Mar 9, 2024):
You added your domain to nginx like domain.com and also *.domain.com? Then you should receive a wildcard cert.
@mwLabs-eu commented on GitHub (Mar 9, 2024):
No, I´ve just added "domain.de" to the textbox, like I did in the past. When additionally adding "*.domain.de" I run into an issue.
EDIT: Anyway, now I´m running into the cert limit. ._.
@Vientus commented on GitHub (Mar 10, 2024):
I am just a noob myself in that area of expertise ;-). But I think, you have to add *.domain.de for receiving a second level subdomain wildcard certificate.
@mwLabs-eu commented on GitHub (Mar 11, 2024):
I think I never did this in the past, but it's possible, it got automatically added. Not sure to be honest.
But with adding it, it did not work, as the resolved address is not routed to my server (its checking for *.domain.de).
@kaptewn commented on GitHub (Mar 14, 2024):
Hi,
I just found this thread and it has helped me greatly in managing to create a cert for my domain on strato.
One small (big) problem though. Even though the cert shows up, and I can use it for my reverse proxy, i get an "ERR_SSL_VERSION_OR_CIPHER_MISMATCH" error when I'm trying to connect to the domain. Why woud that be if I have used the config below?
*.example.se
dns_strato_username = username
dns_strato_password = "password"
dns_strato_domain_display_name = example.se
dns_strato_custom_api_host = www.strato.se
I have tried the full subdomain instead of the wildcard and as display name aswell, but nothing works. The Cert is created with no problems, but I get the version or mismatch error in chrome every time. In firefox the error is "SSL_ERROR_NO_CYPHER_OVERLAP" instead.
If i create a cert for duckdns.org for example, there is no problems at all.
Can anyone elaborate on what I need to do?
EDIT: I solved it myselv by adding the domain to Cloudflare and bypassing Strato DNS completely.
Then I could also just make a DNS challenge to Cloudflare instead of Strato.
@PLanB2008 commented on GitHub (Mar 19, 2024):
After updating to 0.2.1 I could renew the wildcard certificate for one of my two domains. For the other I still get the same error as before. Any hints how to solve this?
Using the https://github.com/Buxdehuda/strato-certbot certbot I can at least receive the fitting certificate, so there it seems to be fixed :)
@wolflu05 commented on GitHub (Mar 27, 2024):
I can confirm that renewal after manually updating to 0.2.1 works. But why is that version not updated in the official docker container?
@PLanB2008 commented on GitHub (Mar 27, 2024):
For me it still only works for the first of my domains.
@pdsccode commented on GitHub (Apr 3, 2024):
Sadly, neither can I renew my wildcard cert nor can I request a new one with any combination of the settings from above. I tried with updating the python package as well. I still get an "internal error" without any indication to the error itself.
@jclsn commented on GitHub (Apr 11, 2024):
I could successfully create my wildcard certificate, but still can't reach the subdomains when I select it for the proxy host. Btw it says the domains have to already be created. Does that mean that the wildcard certificate will only be created for the subdomains already added in the Strato account?
@nevyen commented on GitHub (Apr 12, 2024):
You need to register your subdomains manually at strato. NGINX can't register Subdomains for you.
You need to register your subdomains and set the ip where they should point to. Or you could set a CNAME to point to the same IP as your DYNDNS Domain.
The Wildcard certificate is valid for all subdomains. No matter if they existed before or after the certificate generation.
@jclsn commented on GitHub (Apr 12, 2024):
@nevyen I would like it to use the same IP as the DynDNS domain. How do I do this with the CNAME? Shouldn't this be automatically set up? I have DynDNS deactivated for the subdomain and I realized that the IP differs from the main domain. I would assume they are the same.
I am still being greeted with the Strato landing page on the subdomain, so the proxy doesn't seem to work. The certificate for my main domain also is not trusted by Firefox today and it points to my router's WebUI. Yesterday this still worked. Really hard to set this up. DuckDNS was so straight-forward.
@nevyen commented on GitHub (Apr 12, 2024):
@jclsn for each subdomain you must set the CNAME to the domain you registered in your routers dyndns.
Then the subdomain will automaticly get the ip from the "main" domain.
Referr to https://www.strato.de/faq/domains/wie-kann-ich-bei-strato-meine-dns-eintraege-verwalten/#cname
@FlixMa commented on GitHub (Apr 12, 2024):
@jclsn Its not about your proxy not working, but rather a wrong configuration in your strato package. Each subdomain can point to a different server, thus strato allowing you to assign different IPs to each subdomain.
If you just need them to all point to the same server (e.g. your npm instance) than you can either set up your router to supply dyndns for all your subdomains or just use CNAME records in your primary domain. CNAME stands for canonical name and are basically the DNS way of saying „this is an alias for that“.
@jclsn commented on GitHub (Apr 12, 2024):
The link you sent me is an A-record, where I should enter an IP, although I don't understand how this would work with DynDNS. Afaik the IP changes from time to time.
I looked at changing the CNAME, but it doesn't accept maindomain.de. Calling the Strato support now. I just wonder why the proxy for the main domain is not working anymore. This is probably a configuration issue with NPM. My DuckDNS proxies are still active and working though.
@jclsn commented on GitHub (Apr 12, 2024):
So I added maindomain.de. as CNAME and now the FritzBox is complaining about DNS Rebind protection. The Strato customer support didn't know how to help me :D Guess they only have qualified support for corporate customers.
@jclsn commented on GitHub (Apr 12, 2024):
I just realized it works correctly from outside my network. Just tried it with my phone. As soon as I connect to the wifi thoug, the maindomain.de is showing me the router's web ui and the subdomains gives me the rebind protection warning.
@tbreitha commented on GitHub (Apr 12, 2024):
I gave up with Strato DNS plugin. I kept my domain with Strato but moved the DNS Records off to a free Account on Cloudflare. Now the certs incl. wildcard working without any issues also renewing them is not a problem anymore.
Cheers
Tom
@jclsn commented on GitHub (Apr 12, 2024):
Ha, I made it! Seems like you can't use the DynDNS in the FritzBox. Using ddclient works much better!
So here is what I did:
certbot-dns-stratoplugin to 0.2.1 as mentioned aboveddclient. Download theddclientpackage to your Linux server and use the template posted here to set it up. Just runningddclientand following the instructions will probably also work. SSL will not work withcheckip.dyndns.org, so usessl=no(see). Use your DynDNS credentials here!@mwLabs-eu commented on GitHub (May 2, 2024):
When requesting wildcard certificates for my .de domain, i´m still running into issues. The cert request just aborts, with no visible error message. This problem only comes up for .de domains, found my .com and .eu domains from same strato account are working fine. Any idea, what could block me here?
Using Nginx Proxy Manager v2.11.1, certbot-dns-strato v0.2.1
Full log of issue
EDIT:
Only difference i found is, that .de domain is trying way more challenges and stays on status "pending" compared to .com. But all domais are routed to my homelab via dyndns and can be used/pinged & i have used the exact same credentials for both.
.de-challenges
.com challenges
@markist commented on GitHub (Jul 20, 2024):
Did you finally resolve this for .de domains? Having the same issue here
@mwLabs-eu commented on GitHub (Jul 20, 2024):
Unfortunately not. There where some recommendations later, but i switched to zoraxy in the meanwhile and never looked back. Wildcard ist there not possible for strato but tested it and it looked good.
Maybe i will try NPM again in the future.
Edit: Check this out, if Both of your Domains are in the Same Package, it could be this issue. So updating the cert it Plugin to 0.2.2 should fix it.
https://github.com/FlixMa/certbot-dns-strato/issues/3
@jclsn commented on GitHub (Jul 20, 2024):
With Strato I could solve by adding mydomain.de. as CNAMEAm 20.07.2024 um 09:20 schrieb markist @.***>:
When requesting wildcard certificates for my .de domain, i´m still running into issues. The cert request just aborts, with no visible error message. This problem only comes up for .de domains, found my .com and .eu domains from same strato account are working fine. Any idea, what could block me here?
Using Nginx Proxy Manager v2.11.1, certbot-dns-strato v0.2.1
Full log of issue
EDIT: Only difference i found is, that .de domain is trying way more challenges and stays on status "pending" compared to .com. But all domais are routed to my homelab via dyndns and can be used/pinged & i have used the exact same credentials for both.
.de-challenges
.com challenges
Did you finally resolve this for .de domains? Having the same issue here
—Reply to this email directly, view it on GitHub, or unsubscribe.You are receiving this because you were mentioned.Message ID: @.***>
@noname1001 commented on GitHub (Aug 17, 2024):
This worked for me
Instruction
Credentials File Content
for example
Result
@flyingToast3r commented on GitHub (Aug 30, 2024):
with activated 2FA certificate requests for subdomains or wildcards cause errors. Disabled 2FA "solves" the problem :)
error:
CommandError: Saving debug log to /tmp/letsencrypt-log/letsencrypt.log Encountered exception during recovery: binascii.Error: Non-base32 digit found An unexpected error occurred: binascii.Error: Non-base32 digit found Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /tmp/letsencrypt-log/letsencrypt.log or re-run Certbot with -v for more details.at /app/lib/utils.js:16:13 at ChildProcess.exithandler (node:child_process:410:5) at ChildProcess.emit (node:events:513:28) at maybeClose (node:internal/child_process:1100:16) at Process.ChildProcess._handle.onexit (node:internal/child_process:304:5)@djtomybcn commented on GitHub (Sep 3, 2024):
Hi!
If I try to get the cert for mydomain.com working without problems.
But if I try to get the cert for *.mydomain.com i get this error:
CommandError: Saving debug log to /tmp/letsencrypt-log/letsencrypt.log at /app/lib/utils.js:16:13 at ChildProcess.exithandler (node:child_process:430:5) at ChildProcess.emit (node:events:519:28) at maybeClose (node:internal/child_process:1105:16) at ChildProcess._handle.onexit (node:internal/child_process:305:5)I can see that I'm been using the version certbot-dns-strato==0.2.2
I have to configure something in strato?
Thanks in advance!
@djtomybcn commented on GitHub (Sep 11, 2024):
Finally I get my wildcard certificate after some attemtps. I think I just had to wait a few hours becouse is a new domain. Thanks!
For use this wildcard to subdomains like sub1.mydomain.com I have to configure something in stratos? Becouse it's not working 🙄 the one I generated for duckdns I didn't have to do anything and works.
@Loman0815 commented on GitHub (Sep 27, 2024):
Had to set up a new machine with npm and ran into some problems when using certbot-dns-strato==0.2.1
Updating to version 0.2.2 fixed it
Im using 2FA as described by noname1001
@Trust996 commented on GitHub (Jan 9, 2025):
This solution worked immediately for me. Thank you very much. What happens when there is a new version of the container? Do I have to perform this customization again after each pull?
Thanks
@timkolloch commented on GitHub (Jan 10, 2025):
Yes, if the package version is not updated in the next image the modification has to be done again.
@Bl4cksus commented on GitHub (May 6, 2025):
Is this still functional? I installed strato certbot to 0.2.2 and updated the .json as mentioned. However, I always get
CommandError: Saving debug log to /tmp/letsencrypt-log/letsencrypt.log at /app/lib/utils.js:16:13 at ChildProcess.exithandler (node:child_process:430:5) at ChildProcess.emit (node:events:518:28) at maybeClose (node:internal/child_process:1104:16) at ChildProcess._handle.onexit (node:internal/child_process:304:5)in NPM.
The logfile gives me no error indicators.
@jclsn commented on GitHub (May 6, 2025):
No idea. I moved to Ionos some time ago, because they have better domain packages with almost unlimited subdomains.
@TheCrimsonLady commented on GitHub (May 9, 2025):
Just tried it with NPM 2.12.3 and can confirm it works with @Loman0815 's guide:
@lvanbuiten commented on GitHub (Jul 2, 2025):
I installed NPM 2.12.4, which already contains
certbot-dns-strato==0.2.2in thecertbot-dns-plugins.jsonbut i'm still getting this error:Certbot logs:
I did notice that Strato has updated their UI, perhaps that could (also) be an issue?
@Fischje commented on GitHub (Jul 5, 2025):
@noname1001 commented on GitHub (Jul 7, 2025):
@Fischje can you post your
Credentials File Content/Inhalt der Berechtigungsnachweisdateiwithout any personal information.for example
dns_strato_username = not readable content
dns_strato_password = not readable content
..
It seems to me that there is a
=missing betweendns_strato_totp_devicenameandnpmand maybe there are more mistakes I cannot see.@sil1902 commented on GitHub (Jul 18, 2025):
Sadly I have the same problem. And then it says "internal error" in the ui. I tried it with and wihout 2AF but no chance to get it running.
@shinzoke commented on GitHub (Jul 25, 2025):
Same thing here... creating a wildcard cert trows an error
@noname1001 commented on GitHub (Jul 27, 2025):
I don't have any problems. Manually and automatically renewing my (wildcard) certificates works fine.
@sndstone commented on GitHub (Aug 3, 2025):
Seems that I have the same error running the install in nginx proxy manager or manually with certbot-dns-strato:
Plugins selected: Authenticator dns-strato, Installer None
Requesting a certificate for *.domain.nl
Performing the following challenges:
dns-01 challenge for domain.nl
https://www.strato.nl:443/apps/CustomerService
https://www.strato.nl:443/apps/CustomerService
INFO: 2FA is not used.
https://www.strato.nl:443/apps/CustomerService
ERROR: Strato login not accepted.
Letscrypt logs (which seems to look the same for nginx proxy manager as for certbot-dns-strato):
2025-08-03 22:02:05,463:DEBUG:acme.client:Storing nonce: s8fHADmcwpwL1aeWertathaDcgV3u-_o37874kkOst7x-ts24h05XxE5f
2025-08-03 22:02:05,463:INFO:certbot._internal.auth_handler:Performing the following challenges:
2025-08-03 22:02:05,463:INFO:certbot._internal.auth_handler:dns-01 challenge for domain.nl
2025-08-03 22:02:05,465:DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): www.strato.nl:443
2025-08-03 22:02:05,611:DEBUG:urllib3.connectionpool:https://www.strato.nl:443 "GET /apps/CustomerService HTTP/1.1" 200 None
2025-08-03 22:02:05,655:DEBUG:urllib3.connectionpool:https://www.strato.nl:443 "GET /apps/CustomerService HTTP/1.1" 200 None
2025-08-03 22:02:05,698:DEBUG:urllib3.connectionpool:https://www.strato.nl:443 "POST /apps/CustomerService HTTP/1.1" 200 None
I had a look at a tcp dump but did not see anything useful than the logs above did not show already.
@PLanB2008 commented on GitHub (Aug 4, 2025):
Its an issue Strato introduced on their end. I created a MR for the Package maintainer which fixes the issue:
https://github.com/FlixMa/certbot-dns-strato/pull/7
After applying this to my container it works again.
@sndstone commented on GitHub (Aug 4, 2025):
@PLanB2008 thanks it indeed seems to work for me after a quick test.
@PLanB2008 commented on GitHub (Aug 5, 2025):
@FlixMa updated the package, so now its possible to upgrade the python package in the container until this is reflected in the NginxProxyManager container itself :)
pip3 install certbot-dns-strato==0.2.3 --break-system-packages@github-actions[bot] commented on GitHub (Feb 22, 2026):
Issue is now considered stale. If you want to keep it open, please comment 👍