Note:Therehavebeenreportedissueswithclientsthatuse"chunked transfer encoding",whichincludesAppleiOSservices,andalsothe"AnyClient"and"CyberDuck"tools.Theseworkfinefordownloads,butuploadsoftenendupwithfilesofzerosize.ThisiscausedbyanincorrectimplementionofchunkedencodinginsomecurrentFCGI(fast-cgi)implementations.ApacherunningwithPHPasamoduledoesnothavetheseissues,butwhenrunningunderFCGIyoumayneedtousealternativeclientsorusethewebuploader.Atthetimeofthiswritingtheissuehasbeenopenandnoupdatesprovidedforatleastayear.Ifyouencounterzerosizefileswithotherclients,pleasechecktheclientnotes; as there are occasional configuration issues which can also produce these symptoms.