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Hello
MyDAC 8.7.27 and SecureBridge 7.23 not conect in VPS
MyDAC 8.7.26 and SecureBridge 7.23 work fine

Please specify the error you get when connecting to MySQL server.

ScSSHClient1.Connect; connect correctly but the first query appears the messages that I sent by mail

In order to get a detailed answer, please compose a small sample demonstrating behavior difference between MyDAC versions and send it using the contact form https://www.devart.com/company/contactform.html including scripts for creating database objects.

I'm not in a hurry. Maybe I'll fix it in the next version.

Unfortunately, we could not reproduce the issue.
Therefore, we ask you to compose and send us a sample demonstrating the mentioned behavior, in order for us to provide you a detailed answer.

I already prepared a sample. Where to send it?
The link above does not work

I tried to upload it to the contact form but it asks for my license number and I do not know

This field is optional to fill. You can leave it empty.

I think you can send it as an unlicensed user, even though I have it for both components

Yes, you can do it.

In MyDAC version 8.7.26 when using TMySSHIOHandler SSH connection was established, even when the TMyConnection.Options.Protocol property was set to mpHttp. In MyDAC 8.7.27 when the TMyConnection.Options.Protocol property is set in mpHttp, HTTP connection is established.
You get the error "Cannot establish HTTP connection", as in your example, the TMyConnection.Options.Protocol property is set in mpHttp and the TMyConnection.HttpOptions parameters are not filled. To solve the issue you should either fill the TMyConnection.HttpOptions parameters to establish HTTP connection or to set the TMyConnection.Options.Protocol property in mpTCP in order to establish SSH connection.

Solved, thank you very much

It is good to see that the problem has been solved.
Feel free to contact us if you have any further questions about our products.