Category: Linux Security

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Security and Linux

As Linux users we have some inherent advantages over our fellow Windows users when it comes to security (or lack there of). Hackers, rather like gamblers, use the laws of odds and averages in their e

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Linux Security for Beginners – How a Firewall Works

A typical firewall can perform a number of tasks depending on the complexity of the firewall itself. The basic functions of a firewall are as follows:

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Linux Security for Beginners – Configuring a typical Router based Firewall

Let’s assume you have a wireless base station, router or DSL/Cable modem that has a built in firewall. The management interface for these devices is typically accessed via your favorite web browser.

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Linux Security for Beginners – Understanding Linux Services

This information will make it easier to make an informed decision as to whether these are services you want to have running on your Linux system and, therefore, potentially accessible to the outside

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Linux Security for Beginners – Linux Firewall – The Second Line of Defense

In previous chapters we have covered the firewall located in the router or cable modem and viewed this as the first line of defense in protecting your Linux system from outside attack. In this chapte

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Linux Security for Beginners – Wireless Linux Security

The saying goes that a chain is only as strong as its weekest link and network security is no exception to this rule. In previous chapters we’ve looked a number of places where you can improve the l

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What exactly is a Firewall?

The most important first step in developing a secure environment is to avoid, wherever possible, having your Linux system being the first line of defense from outside attack. The best way to do this

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