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Nginx : Basic Authentication2024/02/13
 
Set Basic Authentication to limit access on specific web pages.
[1]
Username and password are sent with plain text on Basic Authentication,
so Use secure connection with SSL/TLS setting, refer to here.
[2] Add setting on a site config you'd like to set.
For example, set Basic Authentication under the [/auth-basic] directory.
root@www:~ #
pkg install -y py39-htpasswd
root@www:~ #
vi /usr/local/etc/nginx/nginx.conf
# add follows in the [server] section

    server {
        .....
        .....
        location /auth-basic {
              auth_basic            "Basic Auth";
              auth_basic_user_file  "/usr/local/etc/nginx/.htpasswd";
        }
root@www:~ #
mkdir /usr/local/www/nginx/auth-basic

root@www:~ #
service nginx reload

# add users for basic authentication
# [-c] is creating new file, add it only the first time

root@www:~ #
htpasswd.py -c -b /usr/local/etc/nginx/.htpasswd freebsd password

root@www:~ #
chmod 600 /usr/local/etc/nginx/.htpasswd

root@www:~ #
chown www /usr/local/etc/nginx/.htpasswd
# create a test page

root@www:~ #
vi /usr/local/www/nginx/auth-basic/index.html 
<html>
<body>
<div style="width: 100%; font-size: 40px; font-weight: bold; text-align: center;">
Test Page for Basic Authentication
</div>
</body>
</html>
[3] Access to the test page from any client computer with web browser. Then authentication is required as settings, answer with a user added in [2].
[4] That's OK if authentication is successfully passed and test page is displayed normally.
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