Topic "Does winscp3 have CRC checking"

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tkquestion

Guest


How does WinSCP3 guarantee that the file being transferred in not corrupted while in flight. Is there integrity checking that is occurring on the fly?
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martin
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Site Admin
Joined: 2002-12-10
Posts: 24530
Location: Prague, Czechia
SSH protocol have built in integrity checking, hence file cannot be corrupted while transferred.
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Martin Prikryl
tkquestion

Guest


I noticed the following bug fix in the history:

Bug fix: Checksum calculation with SFTP protocol was not working at all.

Two questions:
1. When running in batch mode am I use SCP SFTP mode?
2. Was this error present in 3.8.2?

Thanks
martin
[View user's profile]
Site Admin
Joined: 2002-12-10
Posts: 24530
Location: Prague, Czechia
tkquestion wrote:
Bug fix: Checksum calculation with SFTP protocol was not working at all.

This is unrelated to your first question. There was a bug in file checksum calculation that can be requested from Properties dialog. This has nothing to do with SSH session integrity checking.

Quote:
1. When running in batch mode am I use SCP SFTP mode?

Depends on your settings.

Quote:
2. Was this error present in 3.8.2?

The feature mentioned above was added in 4.0 beta.
_________________
Martin Prikryl
Fishbalm

Guest


While SSH guarantees that all packages sent are accurate, it does not guarantee that the entire file was sent. That's why you still need CRC.
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