When i run my domain on letsdebug.net i get this errors:
I have a record on cloudflare with my server's IPv4 and IPv6
Hi there @C4pture, welcome to the Let's Encrypt Community 
Is there a specific purpose or question for your thread? Or did you just want to show the errors?
Also:
When you opened this thread in the Help section, you should have been provided with a questionnaire. Maybe you didn't get it somehow (which is weird), or you've decided to delete it. In any case, all the answers to this questionnaire are required:
Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is:
I ran this command:
It produced this output:
My web server is (include version):
The operating system my web server runs on is (include version):
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don't know):
I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):
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You need port 80 open for http-01 and it is closed now.
$ nmap -Pn -p80,443 tktkdownloader.top
Starting Nmap 7.80 ( https://nmap.org ) at 2023-07-12 15:12 UTC
Nmap scan report for tktkdownloader.top (65.109.203.149)
Host is up (0.19s latency).
Other addresses for tktkdownloader.top (not scanned): 2a01:4f9:c011:7a4f::1
rDNS record for 65.109.203.149: static.149.203.109.65.clients.your-server.de
PORT STATE SERVICE
80/tcp closed http
443/tcp closed https
Nmap done: 1 IP address (1 host up) scanned in 0.80 seconds
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Firewall is not activated on my server yet, so i assume ports 80 and 443 are open right now
That means a lot if you can help me
That doesn't seem like the right assumption from what I saw.
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@C4pture Please keep in mind that "closed" simply means no service is listening on that port, not a firewall issue.
Also, please see my first post earlier.
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Map post 80 and 443 from your nat router to you web server
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Ok @Osiris but the firewall was brought up by the op.
Just saying the ports they're closed.
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Ah, true, OP said that, my apologies.
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No problem.
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ok i have 443 and 80 open right now but i have the same error
And what about the web server?
Is it configured to server on port 80 (and 443)?
Is that server running?
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I only have this VPS configured and it's raw. i just enabled firewall with the ports i showed on the picture.
That's pretty much it
And what's your goal here? What do you want to achieve and to what ultimate end goal?
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Please guide me if i have to do any more steps or send me a link to do the steps needed
I'm trying to get SSL for my domain (i'm running X-UI) and i have problem with it. it says on letsdebug that the DNS method is fine with no errors but i don't know how to do that one, so i'm trying to solve this issue
Let's Debug complains about the other challenges because those challenges require a webserver runningserving the challenge, and it's not finding any.
Some ACME clients like Certbot can spin up a temporary webserver just for the challenge, so a standalone webserver isn't required.
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Oh, it's all clear now. thank you very much
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