ErrorDocument 401 /myerror.html
ErrorDocument 403 /myerror.html

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_URI} ^/(awstats)*$ [NC]
RewriteRule . - [L]
RewriteCond %{REQUEST_URI} ^/(sitemap.xml)$ [NC]
RewriteRule . /sitemap.xml [L]

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f 
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress