modified on 24 June 2015 at 10:07 ••• 16,908 views


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Ubuntu uses the Debian philosophy of denying services and being most restrictive when a first time install or configuration is done. It is up to the user to open up services or relax restrictions.

Hardening Ubuntu for server use

Install the following packages:

  • harden
  • harden-tools
  • harden-doc
  • bastille
Automatic Security Updates

Install software:

sudo apt-get install unattended-upgrades

Enable unattended updates

sudo dpkg-reconfigure -plow unattended-upgrades

Configure unattended updates

sudo nano /etc/apt/apt.conf.d/20auto-upgrades

Add the following;

APT::Periodic::Unattended-Upgrade "1";

Then configure the following:

sudo nano /etc/apt/apt.conf.d/50unattended-upgrades

See links below for reference:

Help Links
Penetration Testing and Forensic Analysis