Why not load the web site installed on a local computer with Ubuntu on the smartphone connected to the computer with the website via Wi-Fi?

Why I cannot load a web site installed on a computer running Ubuntu? Trying to come with a smartphone on this site. The smartphone is connected via WiFI to a computer with a website. Turns out a local network.
the server ip Drive it on mobile and can't load the website.
Server: Linux-Apache-MySQL-PHP
Can it is necessary where that to register?
June 10th 19 at 15:20
2 answers
June 10th 19 at 15:22
most likely a firewall on the computer bounces requests on port 80 + Apache it is necessary that listened not only, but also
Thank you! Did this and the site began to load. - nikita.Stracke commented on June 10th 19 at 15:25
June 10th 19 at 15:24
Ubuntu desktop? unable to open the website in it on this ISP.

In the config of Apache

And fulfill from Rutaservice ufw stop
Thank you! In particular, for the detailed answer! Everything works.
Ubuntu desktop) - nikita.Stracke commented on June 10th 19 at 15:27

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