В файле конфигурации меняли на https ?
Если об этом system/config/config.php,
то да.
А файл /.htaccess
Вот такой:
# InstantCMS rewriting rules
# Initialization
AddDefaultCharset utf-8
Options -Indexes
RewriteEngine on
RewriteCond %{HTTP:HTTPS} !=on [NC]
RewriteRule ^(.*)$ инфожкх.рф/$1 [R=301,L]
SetEnvIf X-Forwarded-Proto https HTTPS=on
# Hide text files
RewriteRule ^.htaccess$ — [F]
RewriteRule ^credits.txt$ — [F]
RewriteRule ^readme.txt$ — [F]
RewriteRule ^license.(.*).txt$ — [F]
# Remove trailing slash from URLs
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)/$ /$1 [R=301,L]
# Sitemaps
RewriteRule ^sitemap(.*).xml$ ./cache/static/sitemaps/sitemap$1.xml [L]
# Engine routing
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ ./index.php [L]