Permissions Issue with WordPress

I’ve been working on securing my WordPress site. It was all working before I changed the permissions. I now get a 403 Forbidden error when trying to log in.

I added my username to the www-data group:

sudo usermod -aG www-data admin

Used the following commands to set the permissions:

sudo find . -type d -exec chmod -R 775 {} \
sudo find . -type f -exec chmod 664 {} \
sudo chown admin:www-data -R wp-content/* 
sudo chmod 660 wp-config.php .htaccess

Can anyone help as I’m struggling to figure out why as it’s actually what WordPress said to do.

Here are the permissions – I think the sr is causing the issue on the directories:

drwxrwsr-x  9 admin admin  4096 Jun 19 09:57 wp-admin
-rwxrwxr-x  1 admin admin   364 Jun 19 09:56 wp-blog-header.php
-rwxrwxr-x  1 admin admin  1477 Sep 15 17:55 wp-comments-post.php
-rwxrwxr-x  1 admin admin  4840 Sep 15 18:57 wp-config.php
drwxrwsr-x  8 admin admin  4096 Jun 19 10:25 wp-content

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