[twsocket] Listening UDP port and specify same port for UDP sending

Hello, I have a machine with only one IP address and a listening WSocketServer on UDP port XXX. From same project I want to send UDP data to an other machine but with .LocalPort set with same as current listening server port. On Win2K, XP and Vista it works well, UDP data is sent

[twsocket] Using 'PUT' to upload a file

My simple app can't upload a file. I'm using 'Put' (or 'PutAsync', I'm not sure I understand the difference), but get the error PASV 227 Entering Passive Mode (80,84,64,24,158,177) ! Upload Size 720 STOR 553 Could not create file. OnRequestDone. RqType = 18ErrCode = 553 *** ERROR 553