Categories: Other

Computer Networking Tools and Firewall Solutions

<div data-id&equals;"654" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-654"><&sol;div><p><img src&equals;"data&colon;image&sol;gif&semi;base64&comma;R0lGODlhAQABAIAAAAAAAP&sol;&sol;&sol;ywAAAAAAQABAAACAUwAOw&equals;&equals;" fifu-lazy&equals;"1" fifu-data-sizes&equals;"auto" fifu-data-srcset&equals;"https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;7d156d473bd1&sol;not-found&period;webp&quest;w&equals;75&h&equals;0&c&equals;0 75w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;6d9966be7bc1&sol;not-found&period;webp&quest;w&equals;100&h&equals;0&c&equals;0 100w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;ca4ddd32508b&sol;not-found&period;webp&quest;w&equals;150&h&equals;0&c&equals;0 150w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;1b63cb9a3ce8&sol;not-found&period;webp&quest;w&equals;240&h&equals;0&c&equals;0 240w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;94d058dda0fc&sol;not-found&period;webp&quest;w&equals;320&h&equals;0&c&equals;0 320w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;3d35d2e9e6d2&sol;not-found&period;webp&quest;w&equals;500&h&equals;0&c&equals;0 500w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;d736392803db&sol;not-found&period;webp&quest;w&equals;640&h&equals;0&c&equals;0 640w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;05e22ed17df5&sol;not-found&period;webp&quest;w&equals;800&h&equals;0&c&equals;0 800w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;d1a37ae1512d&sol;not-found&period;webp&quest;w&equals;1024&h&equals;0&c&equals;0 1024w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;c816b3a978ee&sol;not-found&period;webp&quest;w&equals;1280&h&equals;0&c&equals;0 1280w&comma; https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;47d489962fc6&sol;not-found&period;webp&quest;w&equals;1600&h&equals;0&c&equals;0 1600w" align&equals;"right" style&equals;"max-height&colon;315px&semi; max-width&colon;43&percnt; width&colon;auto&semi; margin&colon;0px 10px&semi; height&colon;auto&semi;" alt&equals;"csf firewall setup" fifu-data-src&equals;"https&colon;&sol;&sol;wp&period;fifu&period;app&sol;www&period;quickcart&period;net&sol;aHR0cHM6Ly9pLmltZ3VyLmNvbS9OTkxXUFZSLmpwZw&sol;5a941db661fd&sol;not-found&period;webp"> <&sol;p>&NewLine;<h1><ATIT Department> Computer Networking Tools and Firewall Solutions<&sol;h1>&NewLine;<p>You may have heard of or even used a <a href&equals;"https&colon;&sol;&sol;configserver&period;com" target&equals;"&lowbar;blank" rel&equals;"noopener noreferrer">CSF firewall<&sol;a>&comma; but you might not know what it is&period; A firewall is a special kind of system that is used to prevent certain types of software from being able to access your computer&period; As the name implies&comma; a firewall is made to protect a computer against attacks from a variety of sources including viruses&comma; worms&comma; spam&comma; adware&comma; and even computer worms that are set in specific programs&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>In a nutshell&comma; there are two types of software that run on computers&semi; the software that is run by the user and the programs that are installed on the computer&period; When you want to give the user access to a certain program&comma; you can install it or the user can get it for free&period; However&comma; if you want to give the user access to a virus&comma; spyware&comma; worm&comma; adware&comma; or other form of harmful software&comma; you will need to use a firewall to allow the user to access the program&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>The firewall has a couple of different parts&period; There is the server component&comma; which is used to store the configuration and information for the firewall&period; There is also the client component which is used to allow the firewall to be accessed&period; To allow the user to be able to install the application or program&comma; you need to be able to provide a logon with the firewall&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>An example of a CSF firewall is a system where there is a Windows firewall on a network which is connected to a router&period; The router serves as the front end to the firewall&period; The configuration files for the firewall are usually stored on the router&&num;8217&semi;s router&period; The routers are typically connected to the Internet using either dial-up or broadband connections&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>A CSF firewall is most commonly known as an Intrusion Detection System &lpar;IDS&rpar;&period; The firewall connects to the router&&num;8217&semi;s management port&comma; the configuration database&comma; the router&&num;8217&semi;s firewall&comma; and the router&&num;8217&semi;s Intrusion Detection System &lpar;IDS&rpar;&period; All of these ports are managed by the router&&num;8217&semi;s administration interface&period; The firewall interfaces with all of these ports on its request for updates&period; The update requests are made to an upstream router&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>Once all of the above has been setup and the firewall is installed&comma; the administrator&&num;8217&semi;s router&&num;8217&semi;s administration interface is turned on&period; The administrator should then perform a firewall setup wizard&period; After this&comma; the firewall configuration database is placed into place&comma; and the firewall is configured to accept incoming firewall packets and to return packets only from authorized ports&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>After you have finished setting up the firewall&comma; it is time to consider what you will need to protect the system&period; Since all firewall setups do the same thing&comma; there is no need to worry about what type of system to protect&period; By the same token&comma; there is no need to worry about the size of the firewall since all firewall configurations are the same size&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>The firewall will generally be used in place of an antivirus to protect against intrusion of computer programs&period; If the firewall allows you to place the antivirus programs on a separate machine&comma; that can be okay&period; It is usually okay to have two different programs on separate machines since they do not interfere with each other&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>CSF firewalls are not very common&comma; but they are quite effective&period; This is because they often do not have their own operating system&comma; which means that they cannot be used to connect to other systems unless you want to spend time setting up the firewall&&num;8217&semi;s operating system separately&period; Another option is to setup a Linux firewall&comma; but it is probably more complicated than running a CSF firewall&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>Sometimes&comma; CSF firewalls are incorrectly named&period; Many firewall systems are not CSF but merely have both a router and a firewall&period; For example&comma; thereis a firewall that is called a router will have firewall components in place&period; If you see a firewall listed as a CSF firewall&comma; it is most likely a router and not a firewall&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;&NewLine;<p>If you are not sure about what kind of firewall to buy&comma; consider getting a firewall review&period; or a firewall kit which will help you learn more about the firewalls that you are considering&period; to buy&period;<&sol;p><div data-id&equals;"639" style&equals;"text-align&colon;center&semi; margin-top&colon;px&semi; margin-bottom&colon;px&semi; margin-left&colon;px&semi; margin-right&colon;px&semi;" class&equals;"afw afw&lowbar;group afw&lowbar;group afwadgroupid-639"><&sol;div>&NewLine;

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