What is a firewall?

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Imagine your house. What is vulnerability assessment? . You want to keep the bad stuff out, right? managed services new york city Burglars, unwanted guests, the pizza flyer that keeps ending up on your doorstep even though you unsubscribed. A firewall is like that security system for your computer or network!


Basically, its a barrier, a gatekeeper that examines all the traffic trying to get in and out. It checks whether that traffic is allowed or not based on a set of rules you (or someone who knows what theyre doing!) have defined.

What is a firewall? - managed it security services provider

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Think of it as a bouncer at a club, only instead of checking IDs, its checking data packets.


If a packet – a little chunk of information being sent over the internet – looks suspicious, like its trying to exploit a vulnerability or comes from a known bad address, the firewall slams the door shut. Poof!

What is a firewall?

What is a firewall? - managed services new york city

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Denied! On the other hand, if the traffic is legitimate, like when youre browsing your favorite cat video website, the firewall lets it pass through without a problem.


Firewalls can be software-based, running on your computer, or hardware-based, a separate device that protects your entire network. Some routers even have built-in firewalls.

What is a firewall? - managed services new york city

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Theyre an essential part of online security, helping to prevent malware, hackers, and other nasty things from wreaking havoc on your digital life. check managed it security services provider So, make sure you have one enabled!

What is a firewall?