How to solve Http01 failure for Certbot certification for ubuntu Nginx code server ?

I followed this tutorial but receive a http-01 challenge failure. Also, the website reports ‘problem loading this page’.

How do I solve this http01 failure?


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Hi @rasreeh,

It seems you’ve missed some of the steps or commands that need to be executed from the tutorial. Can you please try from the beginning and do not forget to check the Prerequisites as well.

Give it a try from the beginning and see if you would still experience the same issues.

Additionally, if you do, please provide us with your nginx configuration file and other similar configs that are edited through the tutorial.