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Security Information |
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Firewalls: What They Are And Why You MUST Have One!
A firewall is a system or gateway that prevents unauthorized access to your computer or private network. It is usually the first line of defense in protecting your private information or data. A good firewall will help protect you from malicious attacks of spyware, adware, malware, worms, trojans, and hackers. Firewalls are security mechanisms that control who can access and send data thru your network or computer. They can be applied to both hardware and software on your computer; many systems use a combination ofeach for greater protection. All data or messages entering or leaving your computer has to pass thru the firewall, which checks all messages and blocks those that don't meet your specified security criteria orrules. To put it in simple terms: think of a firewall as a security guard or a security scanner for your computer or network. Anything going in or out must be checked thru this system and must obey your rules! Of course, this is just a simple explanation, firewalls can be very complex; consisting of a whole combination of techniques that can be used in concert depending on the level of security you wish to achieve. These firewall techniques may include: Application gateway -- places security mechanisms on specific applications (FTP, Telnet, etc.) Packet filters -- examines each packet using your computer and accepts or rejects according to your rules Circuit-level gateway -- security measures for such connections as TCP(Transmission Control Protocol) or UDP (User Datagram Protocol) Proxy server -- all messages entering or leaving your network must go thru this proxy server, effective for hiding your true network or computer address Also, for greater security, many networks use encrypted data. If you are operating a computer or a server, putting up firewalls will provide protection for your data and information that's passed along your network. If you regularly surf the Internet, placing a firewallon your own personal computer is a must. There is no reason not to have a firewall in place, you can download a free firewall from www.zonealarm.com for your own personal use. Keep in mind, no system is foolproof; any computer or network hooked up to the Internet can be hacked! Therefore, most people in the know, always keep a back-up of their important data/information on a secure off-line source: floppy disks, CDs, or on a computer that's not connected to the Internet. Do daily or weekly back-ups to make sure your data and programs are safe. Still, a good firewall will go a long way in protecting yourself from any unauthorized access to your computer. With the occurrences of spyware, adware, and other more invasive scumware increasing daily; puttingup a firewall and protecting yourself should be your first line of defense against such unwanted and rude visitors. Nuke them at the gate and save yourself from some major headaches. Put that firewall up right now! To learn more about Spyware and Adware Click Here: Spyware Remover Guide Copyright © 2005 Titus Hoskins of Internet Marketing Tools. This article may be freely distributed if this resource box stays attached.
MORE RESOURCES: Apartment security guard accused of firing shots at man’s car WREG NewsChannel 3 IDF to close off road in Israel's South, activate security systems The Jerusalem Post D.C. police cite 'lax security' in closing lounge after shooting The Washington Post Beijing should be cautious about going too far on public security, academic says South China Morning Post A ransomware group claims to have breached 'all Sony systems' | VGC Video Games Chronicle Ransomed.vc group claims hack on 'all of Sony systems' Cyber Security Connect Update on Naked Security Sophos Six Steps Toward AI Security Nvidia Teen Arrested After Shooting At Fairgrounds, Officials Work To Enhance Security For Next Year news9.com KWTV Notice of Funding Availability: Food Security Mini-Grants Advisory Groups & Commissions New U.S.-Poland Foreign Military Financing Direct Loan Agreement ... Department of State Are We Really Helping? U.S. Security Assistance to Partner Nations ... Government Accountability Office Border Security is National Security - Kansas Common Sense - U.S. ... Senator Jerry Moran DNS security poses problems for enterprise IT Network World Security forces rescue 14 students abducted in Nigeria’s Zamfara state Al Jazeera English Salinas looks to private security to patrol popular park KSBW Monterey Readout: U.S. - Mexico Meeting on Joint Actions to Further Enhance ... Customs and Border Protection Pennsylvania woman caught with loaded gun at Pittsburgh ... - Transportation Security Administration Pennsylvania woman caught with loaded gun at Pittsburgh ... Transportation Security Administration Security Think Tank: Three ways to identify the best encryption use ... ComputerWeekly.com Biden-Harris Administration Announces Final National Security ... US Department of Commerce Enhanced Security Automation: Lexington Police Urges Integration ... Robotics and Automation News Director General Grossi: IAEA is Instrument for Peace, Security and ... International Atomic Energy Agency China produces world record peanut test crop amid national food security push South China Morning Post Ultimate Guide to IoT Security Testing Security Boulevard Biden Administration Announces Additional Security Assistance for ... Department of Defense The Intersection of network security and Wi-Fi The Register Austin Lauds Mozambique's Leadership on Regional Security > U.S Department of Defense The Security Risks of Forking The New Stack Georgia election officials respond to lawmakers' security demands - The Atlanta Journal Constitution Georgia election officials respond to lawmakers' security demands The Atlanta Journal Constitution US, Kenya Sign Defense Agreement Ahead of Haiti Security Mission Voice of America - VOA News Winston-Salem bar owner speaks out after security guard ‘brutally attacked,’ police say WGHP FOX8 Greensboro Abilene Pride Festival canceled due to security concerns, vendors come together with ‘Rainbow Market’ KTAB - BigCountryHomepage.com Afghanistan: Briefing and Consultations : What's In Blue Security Council Report IND airport security detected most-ever firearms in 2023 FOX 59 Indianapolis Fact Sheet: The Biden-Harris Administration Takes New Actions to ... Homeland Security Security exercise scheduled Wednesday and Thursday Peninsula Daily News Security Beat: Tame Start to the Fall Semester — MARIST CIRCLE Marist College The Circle Operation Lone Star Bolsters Border Security To Stem Historic Influx Office of the Texas Governor MLB Insider Provides Update on Buck Showalter's Job Security Sports Illustrated Council still looking at security cameras | News | mountaineagle.com Daily Mountain Eagle Statement by President Charles Michel at the UN Security Council ... Présidence française du Conseil de l'Union européenne 2022 Three Countries Commit to Safe, Secure and Peaceful Use of ... International Atomic Energy Agency |
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