SecureWorld News

APRIL 9, 2023

The browser isolation technique considers non-whitelisted websites unreliable and isolates them from the local machine in a virtual environment. However, conventional solutions such as antivirus, firewalls, and other detection and blocking tools can only offer a limited level of security. How does the browser Isolation system work?

Security 84

Security Malware Virtualization Network 84

CIO Business Intelligence

APRIL 27, 2022

However, employees working outside the corporate firewall and other network protections pose some big security challenges, especially for large enterprises. CIOs and CSOs still have to ensure that employees outside of the corporate firewall can do their work securely. IT admins cannot secure assets that they can’t see.

Firewall 52

Firewall Security Insurance Journal 52

Scott Lowe

SEPTEMBER 24, 2021

Well, let’s see…stuff on Envoy, network automation, network designs, M1 chips (and potential open source variants!), Networking. Ivan Pepelnjak shares some links and thoughts on configuring the NSX-T firewall with a CI/CD pipeline built on GitHub Actions and Terraform Cloud. Operating Systems/Applications.

Open Source 107

Open Source Cloud Network Storage 107

Linux Academy

MAY 31, 2019

We use templates for network devices, workstations, laptops, and servers so that all of our devices match our security templates. This included installing operating system updates, NTP servers, DNS servers, static IPs, audit log options, anti-virus, etc. Network Device Configurations. How do we do this kind of monitoring?

Security 92

Security Backup Linux Operating Systems 92

CIO Business Intelligence

NOVEMBER 23, 2022

Most ransomware programs, once they’ve infected one computer, will proliferate across the network, and lock down the entire organisation’s IT environment. Organisations can run virtual machines for security-based isolation with application compatibility, across different operating systems.

Security 88

Security Intel Malware Training 88

CIO Business Intelligence

MAY 23, 2023

Firewalls have come a long way from their humble beginnings of assessing network traffic based on appearance alone. Here are six predictions for the future of the firewall. We predict that the convergence of networking and security will continue to expand to more areas. And NGFWs aren’t done evolving.

Firewall 95

Firewall Network WAN Security 95

Scott Lowe

AUGUST 6, 2021

Networking. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Operating Systems/Applications. Virtualization.

Open Source 105

Open Source Load Balancer WAN Architecture 105

Galido

OCTOBER 31, 2018

For any business today, scanning its systems and network for vulnerabilities is of critical importance. We now have all kinds of new, improved vulnerability scanners that make it all easy for entrepreneurs and network admins. To be noted is the fact that a vulnerability scanner is as important as a malware scanner today.

Tools 84

Tools How To Malware Network 84

Kitaboo

SEPTEMBER 6, 2022

With networks and infrastructures extending beyond the safe school walls nowadays, cyber-attack threats against educational institutions are on the rise. A denial-of-service attack attempts to overwhelm or shut down a network, rendering it unusable to legitimate users. There is a heightened focus on remote learning and online classes.

Education 78

Education Malware eBook Backup 78

Scott Lowe

APRIL 2, 2021

Networking. Ali Al Idrees has a post on using NSX ALB (formerly Avi Networks) with Kubernetes clusters in a vSphere with Tanzu environment. This post provides some examples of shared control planes (and thus shared failure domains) within networking. Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Firewall Storage Comparison 60

Linux Academy

MARCH 28, 2019

Kubernetes nodes rely on underlying virtual servers for both the master control plane and for worker nodes. It is important to use security tooling such as OpenSCAP, the open source version of the Security Content Automation Protocol, to harden virtual machine images prior to their deployment in virtual private clouds.

Policies 68

Policies Linux Security Virtualization 68

SecureWorld News

JUNE 12, 2023

This reliance increases the attack surface of organizations, with large networks requiring constant protection and monitoring. Some courses are tailored to a specific discipline, while others may be broader, covering areas such as network security , ethical hacking, and more. universities, and industry leaders like IBM.

Course 60

Course IBM Security Industry 60

Scott Lowe

OCTOBER 27, 2017

Networking. This is a slightly older post providing an overview of container networking , but still quite relevant. Russell Bryant has a post on Open Virtual Network (OVN) , a project within the Open vSwitch (OVS) community. specifically, the new container network firewall functionality. Virtualization.

Firewall 60

Firewall Virtualization Network Storage 60

Scott Lowe

JUNE 4, 2013

Networking. Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” What happens when multiple VXLAN logical networks are mapped to the same multicast group? This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks.

HP 106

HP Virtualization Hardware Network 106

Scott Lowe

SEPTEMBER 24, 2021

Well, let’s see…stuff on Envoy, network automation, network designs, M1 chips (and potential open source variants!), Networking. Ivan Pepelnjak shares some links and thoughts on configuring the NSX-T firewall with a CI/CD pipeline built on GitHub Actions and Terraform Cloud. Operating Systems/Applications.

Open Source 60

Open Source Cloud Network Storage 60

CIO Business Intelligence

JANUARY 20, 2023

2] In this arena, desktop virtualization and cloud technologies will play starring roles. Notably, businesses are adopting virtual desktop infrastructure (VDI) as a way to keep data secure, teams collaborative, and staff productive while reducing costs. Additionally, VDI can reduce operational costs in two ways.

Dell 56

Dell Intel Virtualization Cloud 56

Scott Lowe

OCTOBER 23, 2020

Still, there’s a decent collection of networking, cloud computing, and virtualization articles as well as a smattering of other topics for you to peruse. Networking. ” Ivan Pepelnjak attempts to answer the question, “How much do I need to know about Linux networking?” Virtualization.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

MAY 3, 2013

I try to keep the information linked to data center technologies like networking, storage, virtualization, and the like, but occasionally other items slip through. Networking. Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ).

Vmware 109

Vmware Storage Virtualization HP 109

Scott Lowe

AUGUST 6, 2021

Networking. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Operating Systems/Applications. Virtualization.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Dataconomy

OCTOBER 17, 2023

White hat hackers, also known as ethical hackers or security researchers, are individuals who use their computer programming and networking skills to help organizations protect themselves from cyber threats. These individuals are often highly skilled and have a deep understanding of computer systems, networks, and cybersecurity principles.

Network 45

Network Security Applications System 45

Scott Lowe

JUNE 18, 2017

Networking. Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Networking. Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 4, 2013

Networking. Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” What happens when multiple VXLAN logical networks are mapped to the same multicast group? This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks.

HP 61

HP Virtualization Hardware Network 61

Scott Lowe

FEBRUARY 2, 2017

Networking. Michael Kashin has a great article on how Open Virtual Network (OVN, part of the Open vSwitch project) implements virtual networks in OpenStack. In a bit of an older post from late summer 2016, Matt Oswalt outlines why network engineers should care about the network software supply chain.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

AUGUST 16, 2017

Networking. Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Anthony Burke gives a little bit of a sneak peek at some functionality from the upcoming v3 release of PowerNSX: searching NSX Distributed Firewall (DFW) rules.

Windows 60

Windows Virtualization Devops Vmware 60

Scott Lowe

AUGUST 2, 2019

Networking. The key takeaway here is that anytime there is firewalling or other stateful services in place, the traffic will route to the (non-distributed) service router instead of just the distributed routers. Northbound Networks provides some information on the P4 programming language. Operating Systems/Applications.

Storage 60

Storage Applications Programming Firewall 60

Scott Lowe

MARCH 17, 2016

Networking. At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Here’s another topic that came up at the recent DevOps Networking Forum: Spotify’s SDN Internet Router (SIR). Here’s some information on Nuage Networks’ experimental Docker Network plugin.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

DECEMBER 10, 2015

Networking. Tor Anderson has an article on using IPv6 for network boot using UEFI and iPXE. has a great blog series going called “Hey, I can DevOps my Network too!” We all know that security is more than just a host-based firewall, but a host-based firewall can be part of an overall security strategy.

Windows 60

Windows Firewall Linux Architecture 60

Scott Lowe

NOVEMBER 7, 2014

Networking. This post by Matt Oswalt—the first in a series, apparently—provides a great introduction to 5 development tools for network engineers. Matt also recently posted part 4 (of 5) in his series on SDN protocols; this post covers OpFlex and declarative networking. Operating Systems/Applications.

Vmware 69

Vmware Linux Storage Virtualization 69

Dataconomy

MAY 8, 2023

Managing the hypervisor and other virtualization components. Under this model, the CSP is responsible for securing the underlying cloud infrastructure, including the physical servers, storage, and networking components. Managing the hypervisor and other virtualization components.

Cloud 51

Cloud Security Resources Operating Systems 51

Scott Lowe

AUGUST 11, 2016

In this post you’ll find a collection of links to articles discussing the major data center technologies—networking, hardware, security, cloud computing, applications, virtualization…you name it! (If Networking. Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Version 2.0

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

APRIL 8, 2013

Networking. —but I wonder how much cooperation Big Switch will get from the major networking vendors with regards to OpenFlow interoperability now that Big Switch is competing even more directly with them via Switch Light. Just getting started in the networking field? Operating Systems/Applications.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

MAY 12, 2016

Networking. I recently spoke at Interop 2016 in Las Vegas, and while I was there I scribbled down some notes pertaining to how decomposing applications into microservices-based architectures was similar in some respects to decomposing networks into an overlay network and an underlay (physical) network. Virtualization.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

FEBRUARY 10, 2015

This time around, the content is a bit heavier on cloud management and applications/operating systems, but still lots of good content all the way around (I hope, anyway). Networking. Matt Oswalt recently wrapped up his 3-part “DevOps for Networking” series. tech preview of virtual networks for Docker.

Open Source 60

Open Source Vmware Network IBM 60

Scott Lowe

APRIL 24, 2015

Networking. Tyler Christiansen recently published a post on a network automation workflow that was based on a presentation he gave at the SF Network Automation meetup. This article by Russell Bryant is a great overview and update of the work going on with Open Virtual Network (OVN). Operating Systems/Applications.

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

MARCH 2, 2017

Networking. Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” Tony Sangha took PowerNSX (a set of PowerShell cmdlets for interacting with NSX) and created a tool to help document the NSX Distributed Firewall configuration. Operating Systems/Applications.

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

SEPTEMBER 3, 2013

Networking. Art Fewell takes a deeper look at the increasingly important role of the virtual switch. A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Operating Systems/Applications. Virtualization. This looks interesting.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60