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Some words about ssh. This is a tech talk offered to Spark Digital employees during Aug 2020.

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                         ___       __       __      
                        /   \     |  |     |  |     
                       /  ^  \    |  |     |  |     
                      /  /_\  \   |  |     |  |     
                     /  _____  \  |  `----.|  `----.
                    /__/     \__\ |_______||_______|
                                                    
           ___      .______     ______    __    __  .___________.
          /   \     |   _  \   /  __  \  |  |  |  | |           |
         /  ^  \    |  |_)  | |  |  |  | |  |  |  | `---|  |----`
        /  /_\  \   |   _  <  |  |  |  | |  |  |  |     |  |     
       /  _____  \  |  |_)  | |  `--'  | |  `--'  |     |  |     
      /__/     \__\ |______/   \______/   \______/      |__|     
                                                                 
                      _______.     _______. __    __  
                     /       |    /       ||  |  |  | 
                    |   (----`   |   (----`|  |__|  | 
                     \   \        \   \    |   __   | 
                 .----)   |   .----)   |   |  |  |  | 
                 |_______/    |_______/    |__|  |__| 

TOC:


01- ssh intro.

01.1 why? telnet vs ssh

02- ssh architecture and design

02.1 Client-Server model (ssh in Linux and windows)

02.2 ssh client side config

02.3 ssh server side config

02.4 Debugging ssh (client and server side)

03- Authentication methods.

03.1 Understanding fingerprints

03.2 Passwords

03.3 Keys (host keys, user key generation, storage, perms ssh-agent)

03.4 Keys with passphrases

04- Aditional capabilities.

04.1 SCPing

04.2 Tunneling (localforward, remote forward, dynamic)

04.3 X11 forwarding

05- Goodies.

05.1 Keychain

05.2 putty suite (puttygen, pageant, configure putty options)

Caveat emptor:

Most of the information here was extracted from the excelent book "SSH Mastery: OpenSSH, PuTTY, Tunnels and Keys", by Michael W. Lucas.

Check it out here: https://amzn.to/3juM4vX

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Some words about ssh. This is a tech talk offered to Spark Digital employees during Aug 2020.

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