Apache httpd : SSL/TLS Setting2022/11/24

	Configure SSL/TLS setting to use secure encrypt HTTPS connection.
[1]	Get SSL Certificate, refer to here.
[2]	Enable SSL/TLS settings.

[root@www ~]#

dnf -y install mod_ssl

[root@www ~]#

vi /etc/httpd/conf.d/ssl.conf

# line 59 : uncomment

DocumentRoot "/var/www/html"

# line 60 : uncomment and specify hostname

ServerName

www.srv.world:443

# line 101 : change to the one got in [1]

SSLCertificateFile

/etc/letsencrypt/live/www.srv.world/cert.pem

# line 109 : change to the one got in [1]

SSLCertificateKeyFile

/etc/letsencrypt/live/www.srv.world/privkey.pem

# line 118 : change to the one got in [1]

SSLCertificateChainFile

/etc/letsencrypt/live/www.srv.world/chain.pem

[root@www ~]#

systemctl restart httpd

[3]	If you'd like to set HTTP connection to redirect to HTTPS (Always on SSL/TLS), Set RewriteRule to each Host settings. For example, if you set Virtual Hostings like the link here, Add RewriteRule like follows. Or It's possible to set RewriteRule in [.htaccess] not in [httpd.conf].

[root@www ~]#

vi /etc/httpd/conf.d/vhost.conf

<VirtualHost *:80>
    DocumentRoot /var/www/html
    ServerName www.srv.world
    RewriteEngine On
    RewriteCond %{HTTPS} off
    RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
</VirtualHost>

[root@www ~]#

systemctl reload httpd

[4]	If Firewalld is running, allow HTTPS service. HTTPS uses 443/TCP.

[root@www ~]#

firewall-cmd --add-service=https

success
[root@www ~]#

firewall-cmd --runtime-to-permanent

success

[5]	Verify to access to the test page from any client computer with Web browser via HTTPS.

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