id summary reporter owner description type status priority component resolution keywords cc component_version os os_version 1396 Failed to upload file kunlunsnow Alexander Schuch "There is a ftp proxy between filezilla and ftp server. The ftp proxy caches data and do virus scanning before transmit it. Use filezilla to upload a big file, filezilla failed: 状态: 连接到 192.168.10.43:21... 状态: 连接建立,等待欢迎消息... 返回: 220 Serv-U FTP Server v6.4 for WinSock ready... 命令: USER test 返回: 331 User name okay, need password. 命令: PASS **** 返回: 230 User logged in, proceed. 状态: 已连接 状态: 开始上传 C:\ftp test\A1000-100.00.0.56.acv 命令: CWD /2009/ 返回: 250 Directory changed to /2009 命令: PWD 返回: 257 ""/2009"" is current directory. 命令: TYPE I 返回: 200 Type set to I. 命令: PASV 返回: 227 Entering Passive Mode (192,168,10,43,18,200) 命令: STOR A1000-100.00.0.56.acv 返回: 150 Opening BINARY mode data connection for A1000-100.00.0.56.acv. 返回: 226-transferring data... 返回: 226-transferring data... 返回: 226-transferring data... 错误: 已从服务器断开 The ftp proxy sending ""226-transferring data..."" to ftp client while doing virus scanning to avoid ftp timeout. Without these resonse, cuteftp and leadftp will timeout, and can work well with these response. But filezilla failed. Disable filezilla timeout, filezilla failed, too. It seems filezilla can't recognize these response correctly. " Bug report closed normal FileZilla Client kunlunsnow Alexander Schuch Tim Kosse