While Oracle Linux is designed "secure by default," this article explores a variety of those defaults and administrative approaches that help to minimize vulnerabilities.
Please remember that the strategies discussed here are presented as options to consider rather than definitive rules to apply—system modifications must always be tested for compatibility and confirmed as supported with the intended application stack.
Install the vcsu utility on your laptop/desktop and navigate to the below folder.
This tutorial shows how to setup a PPTP/GRE VPN server within your Tomato router, which allows external devices to connect to your network through a secured encrypted connection.
I will assume you have your server started and you are ready to begin at the command prompt.
This guide uses an Ubuntu 10.04 Lucid Lynx LTS install, but these steps will work on most other Linux distributions.
If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.
If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.