HTTPS HTTP GET HTTP/1.1 200 OK Connection: close Content-Type: text/html Content-Length: 18 Here's your data. HTTP/1.1 200 Connection established HTTP/1.1 200 OK Connection: close Content-Type: text/html Content-Length: 18 Here's your data. https Client header filter that doesn't match anything. According to Valgrind it triggers a "Conditional jump or move depends on uninitialised value(s)" --insecure https:///%HOSTIP:%HTTPSPORT/%TESTNUMBER GET /%TESTNUMBER HTTP/1.1 Host: %HOSTIP:%HTTPSPORT User-Agent: curl/%VERSION Accept: */*