SSH

Question 1

What is SSH

Answer 1

The SSH protocol uses encryption to secure the connection between a client and a server. All user authentication, commands, output, and file transfers are encrypted to protect against attacks in the network.

Question 2

What do servers require in order for a client to make an ssh connection to it?

Answer 2

sshd (open ssh deamon)

Question 3

Authentication methods

Answer 3

password

public/private key pair

host based

Question 4

Generating ssh key

Answer 4

ssh-keygen

Question 5

Where is the private key stored?

Answer 5

~/.ssh/id_rsa

Question 6

Where is the public key stored?

Answer 6

~/.ssh/id_rsa.pub

Question 7

Where does the server store the clients public key?

Answer 7

authorized_keys file

Question 8

connecting to server

Answer 8

ssh username@ipaddress

Question 9

Adding an identity

Answer 9

ssh-add ~/.ssh/id_rsa

Question 10

Where is teh authorized_keys file stored on the host server?

Answer 10

in the user folder. Each user needs their own authorized_keys file.

Question 11

Default port for ssh

Answer 11

22