How to switch to https?

Question

Search Engine Optimization

Redirects all pages to the main page of something when going

using:
RewriteCond %{HTTP:SSL} !=1 [NC]
RewriteRule ^(.*) https://domain/$1 [L,R=301]

Answer 1

RewriteEngine On
RewriteBase /

RewriteCond %{SERVER_PORT} !^443
RewriteRule (.*) https://example.com/$1 [R=301,L]

Answer 2

And if so:

RewriteEngine On
RewriteCond %{SERVER_PORT} ^80$ [OR]
RewriteCond %{HTTP} =on
RewriteRule ^(.*)$ https://www.domain.com/$1 [R=301,L]

Answer 3

RewriteCond %{HTTPS} =on
RewriteRule (.*) https://%{HTTP_HOST}/$1 [R=301,L]

Answer 4

<IfModule mod_rewrite.c>
        RewriteEngine on	
        RewriteCond %{HTTPS} !on [NC]
        RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L,R]
</IfModule>