Do I Need a Hardware Firewall?
January 19, 2012
Are you aware that there are several ways to hack into your server? People have already devised many creative techniques to hack though a network such as remote login, macros, viruses, spams, application backdoors, OS bugs, session hijacking, source routing and redirect bombs. This means your server is vulnerable from thousands of Trojans and viruses that just float around the web and are just waiting for the right moment to strike at your servers. To ensure that your managed servers are not easily vulnerable against these methods, you need a firewall that will protect your network.
Firewalls are a devices or software programs that decide whether your computer should deny or permit the transmission of information to your server. Firewalls do these based on a set of predefined rules, which authorize user access if the packet of information presented is legitimate and safe.
Hardware firewall is one of your best defenses against malicious people who wish to steal information from your servers. They stop these people from entering your network and gaining access to the important files in your server.
With the use of a good firewall, any person from the Internet will not be able to gain entry through any of your machines especially since there is a small chance that your employees could unknowingly leave a hole for these hackers to attack.
A hardware firewall, when installed to your server has a predefined set of rules that will decide whether the information your server receives should be forwarded as request or dropped by your server. This predefined set of rules entail the use of packet filtering, which analyzes the header of a packet to find out the source of the information received by your server and its destination.
What’s good about this firewall is that it can be used by any person with a general knowledge about computers. He can simply plug the firewall in to his server and adjust a few or no settings to make it run on his managed servers. It is very easy to maintain because you only have to tinker with a single component as opposed to a software firewall that you must individually install and maintain in all of the machines in your network.
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