Received too large SFTP packet
While I am downloading a file from FTP, it pops up this message:
But no issues with uploading. Any idea?Received too large STFP packet. Max supported size is 1024000 B
Thank you in advance.
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But no issues with uploading. Any idea?Received too large STFP packet. Max supported size is 1024000 B
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. 2023-08-29 22:53:56.052 Access granted . 2023-08-29 22:53:56.053 Opening main session channel . 2023-08-29 22:53:56.179 Opened main channel . 2023-08-29 22:53:56.310 Started a shell/command . 2023-08-29 22:53:56.315 Doing startup conversation with host. > 2023-08-29 22:53:56.317 Type: SSH_FXP_INIT, Size: 5, Number: -1 < 2023-08-29 22:53:56.443 Type: SSH_FXP_VERSION, Size: 5, Number: -1 . 2023-08-29 22:53:56.443 SFTP version 4 negotiated. . 2023-08-29 22:53:56.443 We will use UTF-8 strings as it is mandatory with SFTP version 4 and newer . 2023-08-29 22:53:56.443 Changing directory to "/ak47". . 2023-08-29 22:53:56.443 Getting real path for '/ak47' > 2023-08-29 22:53:56.443 Type: SSH_FXP_REALPATH, Size: 19, Number: 64528 < 2023-08-29 22:53:56.581 Type: SSH_FXP_NAME, Size: 32, Number: 64528 . 2023-08-29 22:53:56.581 Real path is '/ak47' . 2023-08-29 22:53:56.581 Trying to open directory "/ak47". > 2023-08-29 22:53:56.581 Type: SSH_FXP_LSTAT, Size: 23, Number: 64775 < 2023-08-29 22:53:56.715 Type: SSH_FXP_ATTRS, Size: 38, Number: 64775 . 2023-08-29 22:53:56.715 Getting current directory name. . 2023-08-29 22:53:56.715 Startup conversation with host finished. . 2023-08-29 22:53:56.725 File: '/ak47/20230820_OptIn.csv' [2023-08-20T22:08:26.000Z] [67100549] . 2023-08-29 22:53:56.725 Copying "/ak47/20230820_OptIn.csv" to local directory started. . 2023-08-29 22:53:56.725 Binary transfer mode selected. . 2023-08-29 22:53:56.726 Opening remote file. > 2023-08-29 22:53:56.726 Type: SSH_FXP_OPEN, Size: 47, Number: 65027 < 2023-08-29 22:53:56.862 Type: SSH_FXP_HANDLE, Size: 12, Number: 65027 > 2023-08-29 22:53:56.862 Type: SSH_FXP_FSTAT, Size: 16, Number: 65288 < 2023-08-29 22:53:56.994 Type: SSH_FXP_ATTRS, Size: 46, Number: 65288 > 2023-08-29 22:53:56.995 Type: SSH_FXP_READ, Size: 24, Number: 65541 . 2023-08-29 22:53:57.253 Skipped 31 SSH_FXP_READ packets < 2023-08-29 22:53:57.254 Type: SSH_FXP_DATA, Size: 32777, Number: 65541 . 2023-08-29 22:54:00.975 Attempt to close connection due to fatal exception: * 2023-08-29 22:54:00.976 Received too large (1049081 B) SFTP packet. Max supported packet size is 1024000 B. . 2023-08-29 22:54:00.976 Closing connection. . 2023-08-29 22:54:00.976 Sending special code: 1 . 2023-08-29 22:54:01.806 Fatal error while disposing the SFTP queue. . 2023-08-29 22:54:01.807 Connection was lost, asking what to do. . 2023-08-29 22:54:01.807 Asking user: . 2023-08-29 22:54:01.807 Received too large (1049081 B) SFTP packet. Max supported packet size is 1024000 B. () . 2023-08-29 22:54:03.313 Answer: Abort * 2023-08-29 22:54:03.468 (ESshFatal) Received too large (1049081 B) SFTP packet. Max supported packet size is 1024000 B. * 2023-08-29 22:54:03.468 Copying files from remote side failed.
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WinSCP disconnected, reconnected, resumed downloading for a little while and then the same error occurred again and again. A file that was taking 15 minutes to download now took over 10 hours if I was lucky. The first number in the error message changed all the time, for e.g.:Received too large (2048009 B) SFTP packet. Max supported packet size is 1024000 B. ()
I tried the same files on the WinSCP GUI (Windows 10) and got the same error. I switched to the SCP protocol and could not authenticate. I tried a number of different suggestions that I saw on the internet and nothing worked. I moved from version WinSCP 5.19.6 to version 6.1 and got this same problem with the GUI and WinSCPnet. I switched computers and networks but WinSCP returned the same error. I then tried FileZilla GUI and this worked every time.Received too large (2184553 B) SFTP packet. Max supported packet size is 1024000 B.
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