客户端可以连接并列出 ftp 服务器中的目录，但一旦开始上传文件，只上传了 1mb，然后弹出错误 550 访问被拒绝。客户端正在使用 Filezilla。我尝试从我的办公室内部和 4G（外部）进行连接，一切正常。但其他办公室的客户端尝试了 3 台不同的 PC，但出现相同的错误。以下是来自客户端的日志：
2016-07-18 13:52:09 8396 1 Status: Connecting to x.x.x.75:21...
2016-07-18 13:52:10 8396 1 Status: Connection established, waiting for welcome message...
2016-07-18 13:52:10 8396 1 Response: 220 Microsoft FTP Service
2016-07-18 13:52:10 8396 1 Command: USER antzen
2016-07-18 13:52:10 8396 1 Response: 331 Password required
2016-07-18 13:52:10 8396 1 Command: PASS *********
2016-07-18 13:52:10 8396 1 Response: 230 User logged in.
2016-07-18 13:52:10 8396 1 Command: SYST
2016-07-18 13:52:10 8396 1 Response: 215 Windows_NT
2016-07-18 13:52:10 8396 1 Command: FEAT
2016-07-18 13:52:10 8396 1 Response: 211-Extended features supported:
2016-07-18 13:52:10 8396 1 Response: LANG EN*
2016-07-18 13:52:10 8396 1 Response: UTF8
2016-07-18 13:52:10 8396 1 Response: AUTH TLS;TLS-C;SSL;TLS-P;
2016-07-18 13:52:10 8396 1 Response: PBSZ
2016-07-18 13:52:10 8396 1 Response: PROT C;P;
2016-07-18 13:52:10 8396 1 Response: CCC
2016-07-18 13:52:10 8396 1 Response: HOST
2016-07-18 13:52:10 8396 1 Response: SIZE
2016-07-18 13:52:10 8396 1 Response: MDTM
2016-07-18 13:52:10 8396 1 Response: REST STREAM
2016-07-18 13:52:10 8396 1 Response: 211 END
2016-07-18 13:52:10 8396 1 Command: OPTS UTF8 ON
2016-07-18 13:52:10 8396 1 Response: 200 OPTS UTF8 command successful - UTF8 encoding now ON.
2016-07-18 13:52:10 8396 1 Status: Logged in
2016-07-18 13:52:10 8396 1 Status: Retrieving directory listing...
2016-07-18 13:52:10 8396 1 Command: PWD
2016-07-18 13:52:10 8396 1 Response: 257 "/" is current directory.
2016-07-18 13:52:10 8396 1 Command: TYPE I
2016-07-18 13:52:10 8396 1 Response: 200 Type set to I.
2016-07-18 13:52:10 8396 1 Command: PASV
2016-07-18 13:52:10 8396 1 Response: 227 Entering Passive Mode (x,x,x,75,6,207).
2016-07-18 13:52:10 8396 1 Command: LIST
2016-07-18 13:52:10 8396 1 Response: 150 Opening BINARY mode data connection.
2016-07-18 13:52:10 8396 1 Response: 226 Transfer complete.
2016-07-18 13:52:10 8396 1 Status: Directory listing of "/" successful
2016-07-18 13:52:17 8396 1 Status: Retrieving directory listing of "/160718ant"...
2016-07-18 13:52:17 8396 1 Command: CWD 160718ant
2016-07-18 13:52:17 8396 1 Response: 250 CWD command successful.
2016-07-18 13:52:17 8396 1 Command: PWD
2016-07-18 13:52:17 8396 1 Response: 257 "/160718ant" is current directory.
2016-07-18 13:52:17 8396 1 Command: PASV
2016-07-18 13:52:17 8396 1 Response: 227 Entering Passive Mode (x,x,x,75,6,208).
2016-07-18 13:52:17 8396 1 Command: LIST
2016-07-18 13:52:17 8396 1 Response: 150 Opening BINARY mode data connection.
2016-07-18 13:52:17 8396 1 Response: 226 Transfer complete.
2016-07-18 13:52:17 8396 1 Status: Calculating timezone offset of server...
2016-07-18 13:52:17 8396 1 Command: MDTM act348 cd-print2.rar
2016-07-18 13:52:17 8396 1 Response: 550 Access is denied.
2016-07-18 13:52:17 8396 1 Status: Directory listing of "/160718ant" successful
2016-07-18 13:52:26 8396 3 Status: Connecting to x.x.x.75:21...
2016-07-18 13:52:26 8396 3 Status: Connection established, waiting for welcome message...
2016-07-18 13:52:26 8396 3 Response: 220 Microsoft FTP Service
2016-07-18 13:52:26 8396 3 Command: USER antzen
2016-07-18 13:52:26 8396 3 Response: 331 Password required
2016-07-18 13:52:26 8396 3 Command: PASS *********
2016-07-18 13:52:26 8396 3 Response: 230 User logged in.
2016-07-18 13:52:26 8396 3 Command: OPTS UTF8 ON
2016-07-18 13:52:27 8396 3 Response: 200 OPTS UTF8 command successful - UTF8 encoding now ON.
2016-07-18 13:52:27 8396 3 Status: Logged in
2016-07-18 13:52:27 8396 3 Status: Starting upload of D:\x
2016-07-18 13:52:27 8396 3 Command: CWD /160718ant
2016-07-18 13:52:27 8396 3 Response: 250 CWD command successful.
2016-07-18 13:52:27 8396 3 Command: PWD
2016-07-18 13:52:27 8396 3 Response: 257 "/160718ant" is current directory.
2016-07-18 13:52:27 8396 3 Command: TYPE I
2016-07-18 13:52:27 8396 3 Response: 200 Type set to I.
2016-07-18 13:52:27 8396 3 Command: PASV
2016-07-18 13:52:27 8396 3 Response: 227 Entering Passive Mode (x,x,x,x,6,209).
2016-07-18 13:52:27 8396 3 Command: STOR act348 cd-print5.rar
2016-07-18 13:52:27 8396 3 Response: 150 Opening BINARY mode data connection.
2016-07-18 13:52:52 8396 3 Error: Connection timed out after 20 seconds of inactivity
2016-07-18 13:52:52 8396 3 Error: File transfer failed after transferring 1.310.720 bytes in 25 seconds
2016-07-18 13:52:52 8396 3 Status: Disconnected from server
2016-07-18 13:52:52 8396 3 Status: Connecting to x.x.x.75:21...
2016-07-18 13:52:52 8396 3 Status: Connection established, waiting for welcome message...
2016-07-18 13:52:52 8396 3 Response: 220 Microsoft FTP Service
2016-07-18 13:52:52 8396 3 Command: USER antzen
2016-07-18 13:52:52 8396 3 Response: 331 Password required
2016-07-18 13:52:52 8396 3 Command: PASS *********
2016-07-18 13:52:52 8396 3 Response: 230 User logged in.
2016-07-18 13:52:52 8396 3 Command: OPTS UTF8 ON
2016-07-18 13:52:53 8396 3 Response: 200 OPTS UTF8 command successful - UTF8 encoding now ON.
2016-07-18 13:52:53 8396 3 Status: Logged in
2016-07-18 13:52:53 8396 3 Status: Starting upload of D:\x
2016-07-18 13:52:53 8396 3 Command: CWD /160718ant
2016-07-18 13:52:53 8396 3 Response: 250 CWD command successful.
2016-07-18 13:52:53 8396 3 Status: Retrieving directory listing of "/160718ant"...
2016-07-18 13:52:53 8396 3 Command: TYPE I
2016-07-18 13:52:53 8396 3 Response: 200 Type set to I.
2016-07-18 13:52:53 8396 3 Command: PASV
2016-07-18 13:52:53 8396 3 Response: 227 Entering Passive Mode (x,x,x,75,6,210).
2016-07-18 13:52:53 8396 3 Command: LIST
2016-07-18 13:52:53 8396 3 Response: 150 Opening BINARY mode data connection.
2016-07-18 13:52:53 8396 3 Response: 226 Transfer complete.
2016-07-18 13:52:53 8396 3 Command: PASV
2016-07-18 13:52:53 8396 3 Response: 227 Entering Passive Mode (x,x,x,75,6,211).
2016-07-18 13:52:53 8396 3 Command: STOR act348 cd-print5.rar
2016-07-18 13:52:53 8396 3 Error: Could not write to transfer socket: ECONNRESET - Connection reset by peer
2016-07-18 13:52:53 8396 3 Response: 550 The process cannot access the file because it is being used by another process.
2016-07-18 13:52:53 8396 3 Error: File transfer failed after transferring 1.310.720 bytes in 1 second
2016-07-18 13:52:53 8396 3 Status: Starting upload of D:\x
2016-07-18 13:52:53 8396 3 Status: Retrieving directory listing of "/160718ant"...
2016-07-18 13:52:53 8396 3 Command: PASV
2016-07-18 13:52:53 8396 3 Response: 227 Entering Passive Mode (x,x,x,75,6,212).
2016-07-18 13:52:53 8396 3 Command: LIST
2016-07-18 13:52:53 8396 3 Response: 150 Opening BINARY mode data connection.
2016-07-18 13:52:53 8396 3 Response: 226 Transfer complete.
2016-07-18 13:52:55 8396 3 Command: PASV
2016-07-18 13:52:55 8396 3 Response: 227 Entering Passive Mode (x,x,x,75,6,213).
2016-07-18 13:52:55 8396 3 Command: STOR act348 cd-print5.rar
2016-07-18 13:52:55 8396 3 Error: Could not write to transfer socket: ECONNRESET - Connection reset by peer
2016-07-18 13:52:55 8396 3 Response: 550 The process cannot access the file because it is being used by another process.
2016-07-18 13:52:55 8396 3 Error: File transfer failed after transferring 786.432 bytes in 1 second
2016-07-18 13:52:55 8396 3 Status: Starting upload of D:\00 anthill18\10 aufträge\act348 cd-print5.rar
2016-07-18 13:52:55 8396 3 Status: Retrieving directory listing of "/160718ant"...
2016-07-18 13:52:55 8396 3 Command: PASV
2016-07-18 13:52:55 8396 3 Response: 227 Entering Passive Mode (x,x,x,75,6,214).
2016-07-18 13:52:55 8396 3 Command: LIST
2016-07-18 13:52:55 8396 3 Response: 150 Opening BINARY mode data connection.
2016-07-18 13:52:55 8396 3 Response: 226 Transfer complete.
2016-07-18 13:52:57 8396 3 Command: PASV
2016-07-18 13:52:57 8396 3 Response: 227 Entering Passive Mode (x,x,x,75,6,215).
2016-07-18 13:52:57 8396 3 Command: STOR act348 cd-print5.rar
2016-07-18 13:52:57 8396 3 Error: Could not write to transfer socket: ECONNRESET - Connection reset by peer
2016-07-18 13:52:57 8396 3 Response: 550 The process cannot access the file because it is being used by another process.
2016-07-18 13:52:57 8396 3 Error: File transfer failed after transferring 1.048.576 bytes in 1 second
2016-07-18 13:52:57 8396 3 Status: Retrieving directory listing of "/160718ant"...
2016-07-18 13:52:57 8396 3 Command: PASV
2016-07-18 13:52:57 8396 3 Response: 227 Entering Passive Mode (x,x,x,75,6,216).
2016-07-18 13:52:57 8396 3 Command: LIST
2016-07-18 13:52:57 8396 3 Response: 150 Opening BINARY mode data connection.
2016-07-18 13:52:57 8396 3 Response: 226 Transfer complete.
2016-07-18 13:52:57 8396 3 Status: Directory listing of "/160718ant" successful
2016-07-18 13:53:03 8396 1 Status: Disconnected from server
2016-07-18 13:53:57 8396 3 Status: Disconnected from server
编辑：他们使用与我们测试的相同的帐户。
答案1
听起来像是该文件夹或用户 antzen 的配额相关问题。您是否尝试在以 antzen 身份登录时上传某些内容，并且是否遇到了同样的问题？您应该以管理员身份测试上传，以查明您是否有用户或文件夹配额问题。如果配额没有问题，则可能是防火墙问题，因此请禁用它并让您的客户端再次测试并上传新日志。