Linux Administration/Security/Encryption

This lesson covers encryption.

Objectives and Skills

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Objectives and skills for the encryption portion of Linux+ certification include:[1]

  • Securing data with encryption
    • Perform basic OpenSSH 2 client configuration and usage
    • Understand the role of OpenSSH 2 server host keys
    • Perform basic GnuPG configuration, usage and revocation
    • Understand SSH port tunnels (including X11 tunnels)
    • The following is a partial list of the used files, terms and utilities:
      • ssh
      • ssh-keygen
      • ssh-agent
      • ssh-add
      • ~/.ssh/id_rsa and id_rsa.pub
      • ~/.ssh/id_dsa and id_dsa.pub
      • /etc/ssh/ssh_host_rsa_key and ssh_host_rsa_key.pub
      • /etc/ssh/ssh_host_dsa_key and ssh_host_dsa_key.pub
      • ~/.ssh/authorized_keys
      • /etc/ssh_known_hosts
      • gpg
      • ~/.gnupg/*

Readings

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Multimedia

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Activities

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Lesson Summary

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Key Terms

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References

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