Best way to secure Ubuntu Droplet?

I’ve read many of the tutorials found here about ways to harden an Ubuntu server installation but I still have a few questions:

  1. Does the default image for Ubuntu 12.04.3 LTS used by Digital Ocean have any pre-configured security optimizations.

  2. What steps can I take to secure my Ubuntu server that is running Webuzo control panel. Will any of these security precautions interfere or break Webuzo?

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The guide linked below is useful. He makes references to another VPS provider but that is irrelevant: <br> <br>

You can configure the Security tools provided by Webuzo i.e CSF, BFD, etc. <br>Manage SSH access, Restrict IP, etc. <br> <br>Here is a list of security tools: <br>

  1. No. You are alone responsible for managing your VPS. <br> <br>2. Not entirely certain of what webuzo requires to run properly, but if you configure both the firewalls and your service correctly, webuzo should run flawlessly. <br> <br>A few stuff you could look into regarding securing your server: <br> <br>iptables (firewall) <br>fail2ban (IPF) <br>Clamav (basically an anti-virus/rootkit software which isn’t really required unless you believe to already be hacked) <br> <br>But none of these will get you very far if your webapp’s isn’t secure.