AWS SFTP Transfer not work with FFS 10.7 and 10.8

[simmy]

am using AWS new service SFTP Transfer (backend is S3) for data sync, FFS 10.3 and 5 previous working ok though the comparison (list objects in S3) take long time, but since I upgrade to 10.7, FFS not able to list the S3 bucket, error message:
Cannot read directory "sftp://xxxxxxx.server.transfer.us-east-1.amazonaws.com".
LIBSSH2_ERROR_SFTP_PROTOCOL: SFTP Protocol Error - LIBSSH2_FX_FAILURE [libssh2_sftp_readdir]

I tried FFS10.8 not work neither. But if I switch back to FFS10.3 it's working, anything change on this?

Thanks.

[Zenju]

I'm not aware of a change that would have affected SFTP folder traversal between these versions other than library updates (libssh2, openssl).

[simmy]

Hi Zenju,
If that meant the problem could be solved on the SFTP server side? Thanks.

[Zenju]

If you have some test login data for me, I can have a look what this difference in behavior is about.

[simmy]

Hi Zenju,
I create a test login to you and sent to the support email address, please help to check, thanks.

[Zenju]

Thanks, simmy, I'm working on it.

[Zenju]

Fixed! There were two issues:
1. The content of the "\blanche\test" subdirectory (containing 1000 files) was returned by AWS in a single SSH package, which libssh2 interpreted as corrupted. => threshold adapted
2. The SFTP folder picker was not able to navigate to the home directory "\blanche" because access to "/" is denied. => FFS folder picker now supports SFTP home directory + navigation beyond access-denied parent folders:

https://www.mediafire.com/file/adiii9l5pru67u5/FreeFileSync_10.9_%5BBeta%5D_Windows_Setup.exe

[simmy]

Thanks Zenju, tested the new version, the access denied access issue gone, but for the file comparison is still very slow and keep got interrupted, is it because of S3/SFTP return the files in block but no in single files cause the issue?

I tested ver 10.9 on my actually files, file size from hundreds KB to 30MB, format from text, csv to bmp, jpg, and long file name etc..

Thanks.

[Zenju]

Not sure what you mean with "interrupted", but as regarding speed you may compare with another SFTP client to see if it's a server/connection problem or not.