Nginx : Basic Authentication2023/04/28

	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 Auth under the [/auth-basic] directory.

[root@www ~]#

dnf -y install httpd-tools

[root@www ~]#

vi /etc/nginx/conf.d/ssl.conf

# add into the [server] section

server {
    .....
    .....
    location /auth-basic/ {
        auth_basic            "Basic Auth";
        auth_basic_user_file  "/etc/nginx/.htpasswd";
    }

[root@www ~]#

mkdir /usr/share/nginx/html/auth-basic

[root@www ~]#

systemctl reload nginx

# add user for Basic authentication

[root@www ~]#

htpasswd -c /etc/nginx/.htpasswd cent

New password:        # set any password
Re-type new password:
Adding password for user cent

# create a test page

[root@www ~]#

vi /usr/share/nginx/html/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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