NGFW

Next-generation Firewall

In plain language

A modern firewall that looks at what is inside the traffic, as well as where it comes from and where it is going.

The metaphor

Like a front desk that checks not only the visitor's name but also what is in their bag.

Going deeper

How it works

It understands applications, so it can allow Microsoft 365 and block a file-sharing tool.
It can scan for threats and block known bad sites.
It also keeps the traditional job of allowing or blocking by address and port.
It needs updates and a person watching its settings.

What can go wrong (example scenario)

A six-person firm bought a firewall and left it on its default settings with no one watching the alerts. A year later it was still running an unpatched firmware version with a known flaw.

How WILDCARD handles it

Network covers the managed firewall, kept current and monitored.

In practice

A clinic blocks personal file sharing on staff computers while allowing its practice software.
An office blocks traffic to known malicious sites.
A retailer uses it to keep the card terminal off the guest network.

A question owners ask

Is the firewall in my internet provider's box good enough?

For one person, perhaps. A business with staff and client data benefits from a managed firewall with updates and rules.

Where WILDCARD handles this

Network

Firewall managed and monitored
Switches kept current
On-prem Active Directory auth

Start with Network

Related terms

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