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How to apply HTTPS or SSL to System

1.If enable HTTPS with Certbot

  • Install Certbot:

    • sudo apt install certbot python3-certbot-nginx -y
  • Obtain an SSL certificate:

    • sudo certbot --nginx -d verify.rupp.edu.kh

2. If use own Certificate 

  • Make folder letsencrypt-rupp into /etc and past file certificates_rupp.
  • And replace this code in nginx
    • server {
          server_name verify.rupp.edu.kh;
      
          location / {
              proxy_pass http://127.0.0.1:3000;
              proxy_http_version 1.1;
              proxy_set_header Upgrade $http_upgrade;
              proxy_set_header Connection 'upgrade';
              proxy_set_header Host $host;
              proxy_cache_bypass $http_upgrade;
          }
      
          listen 443 ssl; # managed by itc
          ssl_certificate /etc/letsencrypt-rupp/certificates_rupp/rupp.edu.kh.crt; # managed by itc
          ssl_certificate_key /etc/letsencrypt-rupp/certificates_rupp/rupp.edu.kh.key; # managed by itc
      
      }
      server {
          if ($host = verify.rupp.edu.kh) {
              return 301 https://$host$request_uri;
          } # managed by itc
      
      
          server_name verify.rupp.edu.kh;
      
          listen 80;
          return 404; # managed by itc
      }