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iBug
Asked: 2019-09-17 05:19:23 +0800 CST

How to trust CA-signed host keys in PuTTY?

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I have something like this in ~/.ssh/known_hosts on my Linux machine:

@cert-authority * ssh-rsa pubkeypubkeypubkey

And any server with a signed host key is automatically trusted by the OpenSSH client.

I regularly use PuTTY on my Windows PC. How do I achieve something similar?

ssh

2 Answers

  1. Best Answer

    CA certificate authentication as implemented by OpenSSH is not supported by PuTTY (yet).

    No evidence of such a feature is found in the current ChangeLog and as a feature request it is also still listed as open on the PuTTY WishList

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  2. Putty now implemented the ca feature in the current snapshots and should be in the stable version soon.

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