HTTP HTTP POST client-body-filter HTTP/1.1 200 OK Connection: close Content-Type: text/html X-Connection: swsclose Received your input. http Applying client-body-filter{blafasel-to-bumfidel} to client request that is too large to read at once proxy -d "blafasel%repeat[5000 x padding]%" http://%HOSTIP:%HTTPPORT/%TESTNUMBER POST /%TESTNUMBER HTTP/1.1 Host: %HOSTIP:%HTTPPORT User-Agent: curl/%VERSION Accept: */* Content-Length: 35008 Content-Type: application/x-www-form-urlencoded Connection: close bumfidel%repeat[5000 x padding]%