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What are your first three steps to secure Linux server?

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What are your first three steps to secure Linux server?

Securing your Linux Server in 8 Steps

  • STEP 1 – Update your server.
  • STEP 2 – Disable root access via SSH.
  • STEP 3 – Change your SSH port.
  • STEP 3.5 – Use SSH Key-based Logins.
  • STEP 4 – Enable your firewall.
  • STEP 5 – Check for open ports.
  • STEP 6 – Install Fail2Ban.
  • STEP 7 – Disable responding to pings.

What steps would you take to secure a fresh installation of your favorite Linux distribution?

A few basic Linux hardening and Linux server security best practices can make all the difference, as we explain below:

  1. Use Strong and Unique Passwords.
  2. Generate an SSH Key Pair.
  3. Update Your Software Regularly.
  4. Enable Automatic Updates.
  5. Avoid Unnecessary Software.
  6. Disable Booting from External Devices.
  7. Close Hidden Open Ports.
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What steps will you take to secure a server?

21 Server Security Tips to Secure Your Server

  1. Establish and Use a Secure Connection.
  2. Use SSH Keys Authentication.
  3. Secure File Transfer Protocol.
  4. Secure Sockets Layer Certificates.
  5. Use Private Networks and VPNs. Server User Management.
  6. Monitor Login Attempts.
  7. Manage Users. Server Password Security.
  8. Establish Password Requirements.

What is patching in Linux?

Linux Host Patching is a feature in Enterprise Manager Grid Control that helps in keeping the machines in an enterprise updated with security fixes and critical bug fixes, especially in a data centre or a server farm. Set up Linux RPM Repository based in Unbreakable Linux Network (ULN) channels.

Why is hardening important after installing a Linux OS?

The more complex a machine gets the more security threats it introduces. That is why we need Linux Hardening, to prevent malicious activities to be run on our system through its components, thus making sure Data Security is on top of its game.

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Which of the following is a first step to make system more secure?

Restrict access. Access to systems should be restricted to the minimum level that is required for a user to perform the tasks they need to perform. In addition, firewalls should be used to segregate and isolate systems so that an issue or attack on one system is less likely to impact other systems.