I'm using Squid 2.7 STABLE3 and I noted my software sends http Request = where there is written: POST http://www.inps.it/... ... Expect: 100-Continue Squid answers saying : HTTP/1.0 417 Expectation failed ... X-Squid-Error: ERR_INVALID_REQ 0 Squid uses Expect request ?! How Can I solve it ?