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2016-09-12 | 2016-10-22 | ||
-E md5 (martin) | can ask anyone who else who knows the key (martin) | ||
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In the real world, most administrators do not provide the host key fingerprint. | In the real world, most administrators do not provide the host key fingerprint. | ||
- | Instead you can ask anyone else with a physical access to the server. The host key is only one and hence the same for all users. Also note that the host key fingerprint is generated from a public key part of the host key only. So it is not secret and can be safely sent over an unencrypted (yet trusted) communication channels. | + | Instead you can ask anyone else who has a physical access to the server or who already knows the host key. The host key is only one and hence the same for all users. Also note that the host key fingerprint is generated from a public key part of the host key only. So it is not secret and can be safely sent over an unencrypted (yet trusted) communication channels. |
If you do not have anyone else to obtain the fingerprint from, you may need to connect to the server without knowing the fingerprint. Before connecting for the first time, ensure a security of your local machine and a line to the server. For example if you plan to connect to the server from an external site (e.g. from home or a client), but you have a physical access to the server site, connect from the server site the first time (e.g. your workplace). | If you do not have anyone else to obtain the fingerprint from, you may need to connect to the server without knowing the fingerprint. Before connecting for the first time, ensure a security of your local machine and a line to the server. For example if you plan to connect to the server from an external site (e.g. from home or a client), but you have a physical access to the server site, connect from the server site the first time (e.g. your workplace). |