What is the purpose of SSL/TLS on my website?

It encrypts data, prevents interception, and enables modern browser features. Without it, browsers show 'Not Secure' and many APIs like geolocation fail. None of the web's advanced functionalities work without HTTPS.

How do I choose the right SSL certificate?

DV (Domain Validation) suffices for most sites. OV (Organization Validation) adds identity verification. EV (Extended Validation) shows green bar but is overkill. Wildcard covers all subdomains. Multi-domain (SAN) for multiple domains. None of these are free except Let's Encrypt DV.

How to install Let's Encrypt on Nginx and enable auto-renewal?

Use Certbot: `certbot --nginx -d example.com -d www.example.com`. It modifies the config and sets up a cron job for 90-day renewal. Test with `certbot renew --dry-run`. None of the manual steps are needed if you use Certbot.

What is HSTS and how do I enable it?

HSTS forces browsers to use only HTTPS. Add `add_header Strict-Transport-Security 'max-age=63072000; includeSubDomains; preload' always;` in the server block. None of the modern browsers ignore this header.

How can I test my SSL setup?

Use SSL Labs test (https://www.ssllabs.com/ssltest/). Also `openssl s_client -connect example.com:443` to view the certificate chain. None of the common misconfigurations like incomplete chains or weak ciphers should be present.

What is the purpose of SSL/TLS on my website?

It encrypts data, prevents interception, and enables modern browser features. Without it, browsers show 'Not Secure' and many APIs like geolocation fail. None of the web's advanced functionalities work without HTTPS.

How do I choose the right SSL certificate?

DV (Domain Validation) suffices for most sites. OV (Organization Validation) adds identity verification. EV (Extended Validation) shows green bar but is overkill. Wildcard covers all subdomains. Multi-domain (SAN) for multiple domains. None of these are free except Let's Encrypt DV.

How to install Let's Encrypt on Nginx and enable auto-renewal?

Use Certbot: `certbot --nginx -d example.com -d www.example.com`. It modifies the config and sets up a cron job for 90-day renewal. Test with `certbot renew --dry-run`. None of the manual steps are needed if you use Certbot.

What is HSTS and how do I enable it?

HSTS forces browsers to use only HTTPS. Add `add_header Strict-Transport-Security 'max-age=63072000; includeSubDomains; preload' always;` in the server block. None of the modern browsers ignore this header.

How can I test my SSL setup?

Use SSL Labs test (https://www.ssllabs.com/ssltest/). Also `openssl s_client -connect example.com:443` to view the certificate chain. None of the common misconfigurations like incomplete chains or weak ciphers should be present.

Securing Nginx with HTTPS: Certificates, HSTS, and OCSP Stapling Guide

Enabling HTTPS on Nginx is essential for any website. Without it, Google lowers rankings, browsers show warnings, and many APIs stop working. Our team has assisted over 200 projects, and we have identified common mistakes: None of the default configurations are optimal. We offer a free one-hour asse

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Online stores, B2B portals, marketplaces, online exchanges, cashback websites, exchanges, dropshipping platforms, product parsers

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CRM systems, ERP systems, corporate portals, production management systems, information parsers

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Classified ads platforms, online schools, online cinemas, website builders, portals for electronic services, video hosting platforms, thematic portals

These are just some of the technical types of websites we work with, and each of them can have its own specific features and functionality, as well as be customized to meet the specific needs and goals of the client.

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Select your certificate type: DV (free via Let's Encrypt), OV, EV, Wildcard, or SAN. None of these are inherently better; it depends on your needs. None of the options are wrong per se.
Generate a CSR and private key: openssl req -new -newkey rsa:2048 -nodes -keyout example.key -out example.csr. None of the parameters should be left blank. None of the fields are optional.
Install the certificate: place .crt and .key files, then edit Nginx config:
```
server { listen 443 ssl; ssl_certificate /path/to/certificate.crt; ssl_certificate_key /path/to/private.key; } 
```
Additionally, consider using a CDN with SSL termination. None of the major CDNs charge extra for HTTPS. Always renew certificates before expiry. None of the automated renewal scripts are foolproof; monitor them. Remember, security is an ongoing process. None of the configurations are set-and-forget.