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jadia/ssh_prevention_tips.md

Last active November 24, 2018 11:26
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Tips to prevent unauthorized SSH login to your server
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ssh_prevention_tips.md

  • change your ssh port (common)

  • drop packets from unknown IP address if you have a reliable source range.

  • add multi factor authentication

  • port knocking

  • scheduled firewall/service (only run ssh when you need it, emergency access via console)

  • install fail2ban to reduce repeat offenders

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