Use Host Based Firewalls to Boost Your Organization's System and Network Security Network Security

  Posted by Angel Alexander in Security Thursday, 28 September 2017 00:00

 

Firewalls are often perceived as being network appliances that protect entire networks from malicious traffic originating from the Internet. However, firewalls can also run as a service on computers, protecting the operating system from malicious attacks, blocking harmful traffic while allowing users to send and receive secure, acceptable traffic.

Modern host based firewalls (firewalls installed and configured on a workstation, server, or other network connected device) include a large array of features that vary depending upon the operating system and firewall in use. Most modern operating systems, such as the current Windows and Linux variants, include a host based firewall as part of the operating system. One benefit of using host based firewalls is their ability to block all ingress traffic, which of course including malicious traffic, from entering the operating system.

Host based firewalls that feature deep packet inspection can also identify malicious payloads, such as malware, contained within the packets being received by the operating system, stopping the payload before it can install and cause damage to the operating system.

Firewalls can also be configured to allow desirable traffic, usually based upon service port or source address, so that the computer can host services that enable connectivity with friendly network hosts while at the same time blocking traffic from unknown or malicious network hosts.

Since firewalls are generally designed and configured to deny all traffic except for traffic deemed acceptable by the administrator, if not configured correctly a host based firewall can block network traffic that the computer should receive, disrupting activities such as file sharing and email communications which are essential in most cases.

Firewall configuration also tends to increase administrative burden if not well-managed. If users within an organization have access to firewall controls, they can inadvertently (or purposely) block IT staff remote administrative access to the operating system, creating a situation requiring time-consuming in person IT staff visits. Similarly, incorrectly configured firewalls may block egress traffic the user needs in order to perform their work. This again creates a condition where work time is lost while a computer administrator determines and resolves the configuration problem.

Host based firewalls are essential to securing networks and systems. Contact us to optimize your host based firewalls for both security and performance.

Categories

Archive

Tags

3d tv 360 kinect Advanced IT adzzoo aeropeek airlines Amazon Cloud Player american flag antispam antivirus apple pie applie ipad apps ascii audit audit,business audits audit report automatic updates avg avg updates back to school backup beef and cabbage beethoven Block Malicious Traffic Breach bunny cake business continuity business email business IT costs business recovery Business Security BYOD cable Cell Phones CES change background change mnagement charleston regional business journal check boxes window 7 christmas scams cloud cloud computing company network computer and network spending computer backup computer back up computer care computer checkup computer cleaning computer clean up computer injuries Consulting conversation view CourageousKidz cupcake kabobs customize ribbons cyber bullying Cyber security Daniel Lightner data back up data backup data recovery data storage defrag defragment dektop virtualization Depog desktop desktop virtualization digital pack rat Disaster Recovery disaster recovery plan Discovery Training Center disk clean up disk defrag disk defragment display flag properly documentation double your windows droid incredible easter cake ebook electric eye email email cleanup email etiquette email policy email scams email schemes email solutions email to cell phone encryption excel Facebook Facebook app father's day gift guide FBI Warnings fcc femtocell firewall first jukebox flag day fourth of july ghost cookies gmail Google Music googletv green computing Green IT groupme Hackers Hacking halloween halloween fun facts halloween recipes hardware cleaning HIPAA HITECH home user hosted exchange HP Touchpad Hugo hulu Human Resources Hurricane iCloud Impersonation improve cell phone signal inbox inbox organization Integration Internet internet safety internet search internet shortcuts internet speed test iPad ipad2 iphone ipod touch Irene IT budget IT Consulting IT costs IT Custom Solutions IT Finance IT Logistics IT Myths IT Operations IT Provider it support iTunes itv junk email keyboard shortcuts kik, path kindle kinect Kotori Technologies KREG laptop lawn care tips learn to type length of cd's light bulbs MAC Managed Service managed services Manufacturing march recipes mascot memory storage microsoft xbox Mobile App Management Mobile Devices Mobile Management Monitoring mortratious mother's day mummies in a blanket music name game national broadband plan neadom tucker netbook net nanny network audit network monitoring Network Security Network Security Issues network support nintendo wii no cable or satellite NonProfit notebooks Nubio office 2010 online gaming online safety online shopping safety optix email optix mail security organize gift giving our it outlook organization outlook tips pandigital novel Paper Shredding passwords peanut butter eggs peer to peer Petya Phone Systems pin to taskbar pin up folders Playstation power breakfast Preparedness Presidential facts Presidents Day printers printer security Privacy problem steps recorder product reviews protect your data pumpkin stew quick steps Quick Tips rainbow cupcakes Ransomware recent documents recipes red white and blue jello pie remove programs Risks, riso noodle house safe data save information save money saving money scam scandisk schedule Security security, server cleaning shopkick shortcuts side by side skype outage slow computers small business success summit smart phones social networking social networks in outlook Sony sony ereader sony playstation move Sophos spider cookies spring cleaning sunbelt vipre symbols tablet task bar tips taskbar tips technology test the daily this week in tech tips turkey tetrazinni type faster typing typing characters uncle sam cupcakes uninstall programs updates vendor management virtual hosted exchange Virtual Infrastructure virus VoIP WannaCry web page shortcuts website website audit website help,website wifi in your car windows 7 windows 7 tips windows calculator windows update wireless wireless security Workforce Management xbox xbox live Yamodo zip file