Large transfers crap out

[15:17:36] Resolving host name "domain.com"

[15:17:36] Connecting to X.X.X.X Port: 21

[15:17:36] Connected to domain.com.

[15:17:37] 220 ProFTPD 1.3.1 Server (ProFTPD) [X.X.X.X]

[15:17:37] USER user

[15:17:37] 331 Password required for download

[15:17:37] PASS (hidden)

[15:17:37] 230 User user logged in

[15:17:37] SYST

[15:17:37] 215 UNIX Type: L8

[15:17:37] Detected Server Type: UNIX

[15:17:37] TYPE I

[15:17:37] 200 Type set to I

[15:17:37] REST 0

[15:17:37] 350 Restarting at 0. Send STORE or RETRIEVE to initiate transfer

[15:17:37] PWD

[15:17:37] 257 "/" is the current directory

[15:17:37] CWD /httpdocs/Folder

[15:17:37] 250 CWD command successful

[15:17:37] PWD

[15:17:37] 257 "/httpdocs/Folder" is the current directory

[15:17:37] Remote file exist check: "File.avi".

[15:17:37] SIZE File.avi

[15:17:37] 550 File.avi: No such file or directory

[15:17:37] File exist check failed. File not found or permission denied.

[15:17:37] PASV

[15:17:37] 227 Entering Passive Mode (X,X,X,X,202,204).

[15:17:37] Opening data connection to X.X.X.X Port: 51916

[15:17:37] STOR File.avi

[15:17:37] 150 Opening BINARY mode data connection for File.avi

[16:30:00] 561372274 bytes transferred. (126 KB/s) (01:12:22)

[16:45:00] Timeout (900s).

[16:45:00] Client closed the connection.

[16:45:00] Transfer failed.