Security Tips

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[edit] Linode Library

Please see the article in the Linode Library on Linux Security Basics for more information and additional resources.

[edit] General Tips

  • Use strong passwords and ensure your users do as well, strongly consider disabling password authentication all together.
  • DO NOT use protocols like FTP that send password in clear text across the network.
  • Keep all installed applications up to date. Stay on top of security updates.
  • Don't run unnecessary services.
  • fail2ban and the like do NOT increase security, they just reduce log spam

[edit] Specific Things to Avoid

  • If you use the private network, remember that all linodes in the datacenter can access your private IP. Remember to configure your firewall to protect it appropriately.
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