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SSH: Do the public and private keys contain the ip address?

Çağlar Arlı      -    6 Views

SSH: Do the public and private keys contain the ip address?

Question

  • Do the public and private keys contain the ip address?

Scenario

Suppose "Computer I" as client has a IP as 192.168.1.A and is generated for SSH purposes its respective pair of keys:

  • The public key
  • The private key

Thus is possible do a SSH connection to "Computer II" as server where it has a IP as 192.168.1.T (T as target). Therefore as follows:

Computer I                Computer II   
192.168.1.A ---> SSH ---> 192.168.1.T

So if later is applied a policy for the LAN itself where "Computer I" as client having the mentioned IP as 192.168.1.A is changed to 192.168.1.Z.

  • Is mandatory re-generate the pair of keys?

It to know if is mandatory to do the respective update in the "Computer II" as server by removing the old public key and put the new public key of the "Computer I" as client

Observation

It is not about the client's hostname it is about the ip