yes, but that didnt help too. Now we have changed the upload to http and this works for us. But we are still experiencing the slow upload speed on windows clients, though we changed the protocol. It seems to occur only to amazon instances, only from windows machines and only with jfileupload. Maybe ...

yes

Hi again, no this is not an SITE command, but an own FTP command, so this would not help. we still could not find a solution for this issue. Beside this we encountered another problem: For large files (>~1GB) the forward after the upload does not work. The applet remains in uploading state, though t...

UPDATE: I did some more analysing and it seems the Protocol output in jfileupload is not what really happens, so the PASV command is sent correctly, I think. The only difference in protocol seems now to be a OPTS UTF8 ON command, that is sent by filezilla, but not by jfileupload. Even I cannot imagi...

Hi again and thanks for your quick reply. Now I have found out, that jfileupload behaves a little bit different than other clients regarding the passive mode: It sends the PASV command BEFORE the USER and PASS, which does filezilla e.g. AFTER USER and PASS. And in the jfileupload-log there is no res...

Hi, I am using JFileUpload for an FTP connection to an proftpd with PASV mode. Now on some windows environments (not all) it uploads files much slower than filezilla e.g. with the same settings. On other systems (mostly linux, but even some windows), it is as fast as other ftp clients. The speed on ...