RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^series/([^/]+)/?$ series.php?slug=$1 [L,QSA]

<FilesMatch "^\.">
    Order allow,deny
    Deny from all
</FilesMatch>

Options -Indexes
DirectoryIndex index.php

<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/html text/css text/javascript application/javascript application/json
</IfModule>

<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType text/css "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
    ExpiresByType image/png "access plus 1 month"
    ExpiresByType image/jpg "access plus 1 month"
</IfModule>

<IfModule mod_headers.c>
    Header set X-Content-Type-Options "nosniff"
    Header set X-Frame-Options "SAMEORIGIN"
    Header set X-XSS-Protection "1; mode=block"
</IfModule>

php_value upload_max_filesize 64M
php_value post_max_size 64M
php_value max_execution_time 300
php_value max_input_time 300
