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2023-10-10 2023-10-10
certificates are beta (martin) better configuration link (martin)
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==== [[certified]] Certified Host key ==== ==== [[certified]] Certified Host key ====
-If you've configured WinSCP to trust at least one [[ui_ssh_host_ca|certification authority for signing host keys]], then it will ask the SSH server to send it any available certified host keys. If the server sends back a certified key signed by a different certification authority, WinSCP will present this variant of the host key prompt.+If you've configured WinSCP to trust at least one [[ui_pref_security#authorities|certification authority for signing host keys]], then it will ask the SSH server to send it any available certified host keys. If the server sends back a certified key signed by a different certification authority, WinSCP will present this variant of the host key prompt.
One reason why this can happen is a deliberate attack. Just like an ordinary man-in-the-middle attack which substitutes a wrong host key, a particularly ambitious attacker might substitute an entire wrong certification authority, and hope that you connect anyway. One reason why this can happen is a deliberate attack. Just like an ordinary man-in-the-middle attack which substitutes a wrong host key, a particularly ambitious attacker might substitute an entire wrong certification authority, and hope that you connect anyway.

Last modified: by martin