My ISP is blocking port 80 i can't renew my certf

I have a personal server with a RPI in House, i can't now access from outside to port 80 (the ISP change the political access not posible 80,443,) , but my ISP let me 3000 open..What i can do?

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. |, 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):

Use the dns-01 challenge for validations.


Does your ISP allow port 53?
Does your ISP allow port 443?




Hi @Osiris thanks!
but domain is no-ip is not in the list or i didnt find ..

1 Like

Using No-IP could be an issue indeed, especially/mainly if you're using the free service.

What's the reason you're using NoIP? Free hostname? Or the dynamic DNS functionality?

1 Like

Yes because it is free..and have Ddns..

You might want to consider using a different dynamic DNS provider. The list you've found and listed above contains a few free dynamic DNS providers.

Note that "" has had some issues regarding their DNS infrastructure in combination with Let's Encrypt in the past.


This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.