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content/notes/13-ssh.md
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@ -58,4 +58,19 @@ Past Problems & Solutions
> [!INFO] port forwarding
> in old days when you has an open for for mail/internet, anyone could connect
> now only allow certain points to be accessed
> now only allow certain points to be accessed
Keys
- User Key
- A persistent, asymmetric key used by clients as proof of a user's identity.
- A single user may have multiple keys
- Host Key
- A persistent, asymmetric key used by a server as proof of its identity
- Used by a client when proving its host's identity as part of trustedhost authentication
- Server Key
- A temporary, asymmetric key used in the SSH-1 protocol.
- It is regenerated by the server at regular intervals (by default every hour) and protects the session key
- Session Key
- A randomly generated, symmetric key for encrypting the communication between an SSH client and server.