Remove Firewall Remove Network Remove Virtualization
article thumbnail

What is a firewall?

Network World

Network-based firewalls have become almost ubiquitous across US enterprises for their proven defense against an ever-increasing array of threats. A recent study by network testing firm NSS Labs found that up to 80% of US large businesses run a next-generation firewall. What is a firewall? billion by 2020.

Firewall 167
article thumbnail

Cisco warns of critical vulnerability in virtualized network software

Network World

The worst of the vulnerabilities could let an attacker escape from the guest virtual machine ( VM ) to the host machine, Cisco disclosed. Multiple vulnerabilities have been discovered in Cisco's Enterprise NFV Infrastructure Software (NFVIS). To read this article in full, please click here

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Cisco hosts containerized firewall on Catalyst switches to protect mixed IT/OT networks

Network World

Cisco announced a containerized firewall package for its venerable Catalyst switch family that’s designed to help enterprise customers with mixed IT and OT systems more easily segment network resources and save money by consolidating network and security deployments.

Firewall 148
article thumbnail

On Network Virtualization and SDN

Scott Lowe

Is there a difference between network virtualization and Software-Defined Networking (SDN)? So, in a similar fashion to my post on network overlays vs. network virtualization , I thought I’d weigh in with some thoughts. With this definition in hand, let’s compare network virtualization to SDN.

article thumbnail

Hybrid mesh firewall platforms gain interest as management challenges intensify

Network World

As enterprise networks get more complex, so do the firewall deployments. There are on-premises firewalls to manage, along with firewalls that are deployed in virtual machines and firewalls deployed in containers. Then we had a firewall in a virtual machine.

Firewall 147
article thumbnail

Networking terms and definitions

Network World

To find a brief definition of the networking term you are looking for user your browser’s “Find” feature then follow links to a fuller explanation. AI networking AI networking refers to the application of artificial intelligence (AI) technologies to network management and optimization.

Network 174
article thumbnail

What Is SD-WAN (Software-Defined WAN)? Definition, Solutions, and Benefits

IT Toolbox

Increasingly used in large network setups, SD-WAN uses web-based tunnels, firewall software, and virtual technologies to connect remote endpoints. The post What Is SD-WAN (Software-Defined WAN)? Definition, Solutions, and Benefits appeared first on Spiceworks.

WAN 246