What is a firewall?

What is a firewall?

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Okay, so whats a firewall, right? What is phishing? . managed it security services provider managed service new york Well, think of it like this: your computer, or your whole network, is a house, yeah? (A very important house with all your stuff).

What is a firewall? - managed services new york city

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Now, the internet? Its like the whole wide world outside that house.


A firewall, it aint just some fancy tech term. Its essentially a security guard, a doorman, standing at the entrance to your network. managed service new york managed it security services provider Its job? To decide who or what gets in (and out)! managed services new york city It aint letting just anyone waltz in, oh no!


It works by examining all the traffic, all the data packets, trying to come into your network. It checks if they meet certain criteria, (rules, basically) that you or someone else, has set up. If a packet doesnt match those rules, bam! Denied! Its not getting through.


Now, it isnt foolproof, understand? A clever hacker (or a poorly configured firewall) can sometimes find a way around it, but it surely does provide a crucial first line of defense. Its not a perfect solution, but its far better than no protection at all. Imagine leaving your front door wide open all the time! Yikes!


Think of it also as a way to control what your own computers are doing too. Firewalls, not just block bad stuff coming in, they also stop your computers from sending out information to places they shouldnt. So yeah, its a two-way street.


So, in short, its like a cyber bouncer, keeping the riff-raff out and making sure your network stays (relatively) safe. managed services new york city It aint perfect, but its absolutely necessary.