Nginx : Configure SSL

https://www.server-world.info/en/note?os=CentOS_7&p=nginx&f=4

Enable SSL setting to use SSL connection.

Create certificates

[root@www ~]# cd /etc/pki/tls/certs 
[root@www certs]# make server.key 
umask 77 ; \
/usr/bin/openssl genrsa -aes128 2048 > server.key
Generating RSA private key, 2048 bit long modulus
...
...
e is 65537 (0x10001)
Enter pass phrase:# set passphrase
Verifying - Enter pass phrase:# confirm
# remove passphrase from private key
[root@www certs]# openssl rsa -in server.key -out server.key 
Enter pass phrase for server.key:# input passphrase
writing RSA key
[root@www certs]# make server.csr 
umask 77 ; \
/usr/bin/openssl req -utf8 -new -key server.key -out server.csr
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [XX]:JP# country
State or Province Name (full name) []:Hiroshima   # state
Locality Name (eg, city) [Default City]:Hiroshima# city
Organization Name (eg, company) [Default Company Ltd]:GTS   # company
Organizational Unit Name (eg, section) []:Server World   # department
Common Name (eg, your name or your server's hostname) []:www.srv.world   # server's FQDN
Email Address []:xxx@srv.world# email address
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:# Enter
An optional company name []:# Enter
[root@www certs]# openssl x509 -in server.csr -out server.crt -req -signkey server.key -days 3650
Signature ok
subject=/C=JP/ST=Hiroshima/L=Hiroshima/O=GTS/OU=Server World/CN=www.srv.world/emailAddress=xxx@srv.world
Getting Private key

Configure Nginx

[root@www ~]# vi /etc/nginx/nginx.conf

# add into "server" section

  server {
      listen       80 default_server;
      listen       [::]:80 default_server;
       listen       443 ssl;
       server_name  www.srv.world;
      root         /usr/share/nginx/html;

       ssl_certificate      /etc/pki/tls/certs/server.crt;
      ssl_certificate_key  /etc/pki/tls/certs/server.key;

[root@www ~]# systemctl restart nginx