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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

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 chapter we will be looking at the second line of defense ? the firewall on your Linux system.

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