only on latest squid 4 happen Squid Cache: Version 4.0.13-20160809-r14785 --------- HTTP/1.1 400 Bad Request Server: squid Mime-Version: 1.0 Date: Thu, 11 Aug 2016 21:02:46 GMT Content-Type: text/html;charset=utf-8 Content-Length: 3367 X-Squid-Error: ERR_PROTOCOL_UNKNOWN 0 X-Cache: MISS from proxy.netgatesss.com Connection: close -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/X-Squid-Error-tp4678848.html Sent from the Squid - Users mailing list archive at Nabble.com. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users