premature end of response header (line=3 length=0 bytes=33)
HTTP/1.0 502 squid-gw error
Content-type: text/html

<HTML><HEAD><TITLE>squid-gw error</TITLE></HEAD><BODY>Error detected by squid-gw:<BR><B>premature end of response header (line=3 length=0 bytes=33)</B></BODY></HTML>
