<div dir="ltr"><div>Affected for example:-</div><div><br></div><div><a href="http://theguardian.co.uk">theguardian.co.uk</a><br></div><div><a href="http://nytimes.com">nytimes.com</a></div><div><a href="http://fastly.com">fastly.com</a> </div><div><br></div><div>All return 503 Service Unavailable from Varnish Cache</div><div><br></div><div>Tony</div></div>