location = /favicon.ico {
        log_not_found off;
        access_log off;
}

location = /robots.txt {
        allow all;
        log_not_found off;
        access_log off;
}

# Directives to send expires headers and turn off 404 error logging.
location ~* \.(js|css|png|jpg|jpeg|gif|ico|html)$ {
        expires 24h;
}

# Deny all attempts to access hidden files such as .htaccess, .htpasswd, .DS_Store (Mac).
location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
}