ModSecurity is a an open source Web Application Firewall (WAF). It can detect as well as prevent attacks to web applications. Initially released as an Apache web server module, ModSecurity now supports all major Web Servers including IIS, Nginx and Apache.
ReadIf your website hosting allows uploading SSL certificates but does not allow SSH access and you need a SSL certificate for your website, then a free SSL certificate from LetsEncrypt is a good option.
ReadHTTP2 requires encryption over SSL. The recommended SSL protocol for HTTP2 is TLS 1.2. Ciphers are encryption algorithms used by SSL protocols.
ReadHTTPS Certificates are files that are used to secure websites. A website that is secured using HTTPS is accessed using the HTTPS protocol. For example https://www.google.com. HTTPS certificates are issued by a Certificate Authority (CA). Lets Encrypt is a CA that issues HTTPS certificates free of cost.
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