Re: Revolving Host Key Error
Martin,
Thank you! That did the trick.
-BHanson
Thank you! That did the trick.
-BHanson
- BHanson
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Topic review
- martin
Re: Revolving Host Key Error
It looks like you are connecting to a load-balancer with three different SFTP servers behind it. You can put all three hostkeys of those three servers to
See https://winscp.net/eng/docs/library_sessionoptions#sshhostkeyfingerprint
SessionOptions.SshHostKeyFingerprint. Separate the host keys by semicolons.
SshHostKeyFingerprint =
"ecdsa-sha2-nistp256 256 1111111111111111111111111111;" +
"ecdsa-sha2-nistp256 256 2222222222222222222222222222;" +
"ecdsa-sha2-nistp256 256 3333333333333333333333333333";
See https://winscp.net/eng/docs/library_sessionoptions#sshhostkeyfingerprint
- BHanson
Revolving Host Key Error
Hi,
I am using WinSCPnet in a .NET framework console app Runtime Version v4.0.30319, Version 1.12.0.12858.
I have successfully connected from a Windows Server 2019 machine to the target SFTP server and put files... sometimes. Sometimes I get the dreaded host key does not match configured key fingerprint message.
I log the errors to get the key it is looking for, and there are three of them that revolve.
I will use
So I switch to the key with
I switch to
Then I will try the next day with key
I would love any advice to be confident in my
Thanks and here's my code.
BHanson
I am using WinSCPnet in a .NET framework console app Runtime Version v4.0.30319, Version 1.12.0.12858.
I have successfully connected from a Windows Server 2019 machine to the target SFTP server and put files... sometimes. Sometimes I get the dreaded host key does not match configured key fingerprint message.
I log the errors to get the key it is looking for, and there are three of them that revolve.
I will use
"ecdsa-sha2-nistp256 256 1111111111111111111111111111" and it will say I need to switch to "ecdsa-sha2-nistp256 256 222222222222222222222222222".
So I switch to the key with
222222 and it will say bad key, you need to use "ecdsa-sha2-nistp256 256 33333333333333333333333333333"
I switch to
"ecdsa-sha2-nistp256 256 33333333333333333333333333333" and it works.
Then I will try the next day with key
"ecdsa-sha2-nistp256 256 33333333333333333333333333333" and the error says I need to use "ecdsa-sha2-nistp256 256 222222222222222222222222222"
I would love any advice to be confident in my
SshHostKeyFingerprint. I am experienced .NET developer but new to SFTP and WinSCP.
Thanks and here's my code.
// Setup session options
SessionOptions sessionOptions = new SessionOptions
{
Protocol = Protocol.Sftp,
HostName = "aaaaa",
PortNumber = 22,
UserName = "bbbbb",
Password = "ccccc",
//SshHostKeyFingerprint = "ecdsa-sha2-nistp256 256 1111111111111111111111111111"
SshHostKeyFingerprint = "ecdsa-sha2-nistp256 256 222222222222222222222222222"
//SshHostKeyFingerprint = "ecdsa-sha2-nistp256 256 33333333333333333333333333333"
};
using (Session session = new Session())
{
// Connect
session.Open(sessionOptions);
// Upload files
TransferOptions transferOptions = new TransferOptions();
transferOptions.TransferMode = TransferMode.Binary;
TransferOperationResult transferResult;
transferResult = session.PutFiles(@"\\from directory\*", "/To sftp directory/In/", false, transferOptions);
// Throw on any error
transferResult.Check();
}
BHanson