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

CIO Business Intelligence

NOVEMBER 23, 2022

While firewalls and other “perimeter” security defences remain critical for protecting and organisation and its assets, there has been a renewed focus placed on the importance of endpoint defences, because it is that individual’s vulnerability that is too often the easiest thing to exploit.

Security 78

Security Intel Malware Training 78

Scott Lowe

AUGUST 6, 2021

I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. This post on using SPIFFE/SPIRE, Kubernetes, and Envoy together shows how to implement mutual TLS (mTLS) for a simple application. Operating Systems/Applications.

Open Source 60

Open Source Load Balancer WAN Architecture 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

Scott Lowe

OCTOBER 27, 2017

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. When I was using Fedora, I needed some useful information on firewall-cmd , and found this article to be helpful. Operating Systems/Applications.

Firewall 60

Firewall Virtualization Network Storage 60

Dataconomy

MAY 8, 2023

Managing the hypervisor and other virtualization components. Customer responsibilities: Securing their own applications and data. The customer, on the other hand, is responsible for securing their own data, applications, and operating systems running in the cloud. Managing access controls and user identities.

Cloud 51

Cloud Security Resources Operating Systems 51

Dataconomy

OCTOBER 17, 2023

These individuals use the same techniques as malicious hackers, but instead of using them for nefarious purposes, they use them to identify vulnerabilities and weaknesses in an organization’s systems, networks, and applications. They may steal sensitive data, disrupt systems, or engage in other illicit activities.

Network 45

Network Security Applications System 45

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. Convergence also is happening in different formats; now security convergence is happening in appliances, virtual machines, cloud-delivered services, and containers. Convergence

Firewall 88

Firewall Network WAN Security 88

SecureWorld News

JUNE 12, 2023

The course will revolve around real-world system architectures, the threats and exploits that could result in a data breach , and the defense mechanisms that could be employed to protect a network. With this knowledge, learners will then exploit a live system to identify the risks of web applications that lack the necessary security.

Course 59

Course IBM Security Industry 59

Scott Lowe

AUGUST 2, 2019

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. Operating Systems/Applications. David Holder talks briefly about application security with mutual TLS (mTLS) via Istio.

Storage 60

Storage Applications Programming Firewall 60

Scott Lowe

JUNE 18, 2017

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

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

Kitaboo

SEPTEMBER 6, 2022

They disturb the virtual classes by exposing unwanted and harmful media during ongoing classes or sessions. Therefore, educational institutions should invest in firewalls, intrusion detection, and virus and malware protection systems. Update Systems Regularly. Zoombombing.

Education 78

Education Malware eBook Backup 78

Scott Lowe

AUGUST 16, 2017

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 Virtualization Devops Vmware 60

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 Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Operating Systems/Applications.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

FEBRUARY 2, 2017

Michael Kashin has a great article on how Open Virtual Network (OVN, part of the Open vSwitch project) implements virtual networks in OpenStack. Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections. Operating Systems/Applications. Virtualization.

Linux 60

Linux Network Virtualization IPv6 60

Galido

FEBRUARY 5, 2019

Identify whether or not you need support for particular scripts or Windows applications and other special software. You need to clarify with your prospective provider if they can actually provide service for the applications you want to implement. Virtual Private Server. Are you using something common, like a WordPress blog?

Backup 103

Backup Resources Security Virtualization 103

Scott Lowe

MARCH 2, 2017

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. I just noticed this article about using Nova flavor extra-specs to pass QoS data down to the virtualization layer. Operating Systems/Applications.

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

NOVEMBER 7, 2014

I really appreciate Jay’s focus on what’s beneficial to the users of OpenStack: the cloud operators, the end users/consumers, and the developers building applications on top of OpenStack. Operating Systems/Applications. Virtualization. Here’s one such example. Want to install ESXi 5.5

Vmware 69

Vmware Linux Storage Virtualization 69

Dataconomy

SEPTEMBER 12, 2023

Server virtualization can do the trick for you if you also struggle to scale your applications to meet growing demands without breaking the bank. Server virtualization is a game-changing technology that has revolutionized the way organizations deploy and manage their IT infrastructure.

Virtualization 78

Virtualization Storage Hardware Disaster Recovery 78

Scott Lowe

MARCH 17, 2016

Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. Marcos Hernandez (a colleague on the NSX team at VMware) recently pointed out this Heat template for a multi-tier application with dynamic routing (via Quagga). Operating Systems/Applications.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

APRIL 24, 2015

This article by Russell Bryant is a great overview and update of the work going on with Open Virtual Network (OVN). This is kind of cool, and (in my humble opinion) a sign of changing times: Juniper has Vagrant boxes as well as a Vagrant plugin for working with vSRX (virtual firewall) VMs (via this article from Matt Oswalt).

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

APRIL 8, 2013

Greg Ferro examines a potential SDN use case (an OpenFlow use case) in the form of enterprise firewall migrations. Operating Systems/Applications. I hadn’t really considered how one might use BOSH for deploying (and managing) multi-VM applications on vSphere, but Brian provides some practical examples.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

MAY 12, 2016

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. Operating Systems/Applications.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

SEPTEMBER 3, 2013

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. I hope that something in here is useful to you.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

Scott Lowe

JUNE 29, 2016

In the event you accidentally locked yourself out of vCenter using NSX’s distributed firewall, this post by Roie Ben Haim provides a workaround for getting yourself out of this pickle. Operating Systems/Applications. Virtualization. Angel Villar Garea also has a post on the same topic.

Linux 60

Linux Network Hardware Vmware 60

CIO Business Intelligence

NOVEMBER 2, 2023

The principle of least privilege (PoLP) is an information security concept that maintains that a user or entity should only have access to the specific data, resources, and applications needed to complete a required task. But this opened the applications for attacks that could easily subvert the entire OS. Within a ZTNA 2.0

Backup 119

Backup Information Security Security Operating Systems 119

Scott Lowe

MARCH 10, 2015

What’s really interesting to me is the (completely uncoordinated) alignment between Matt’s list of skills for networking pros and the list I provided to virtualization pros in a series of recent VMUG presentations (refer to slide 15, but the list is software development basics, Linux, automation/orchestration, and public cloud services).

Vmware 60

Vmware Linux Hardware Software Development 60

ForAllSecure

AUGUST 30, 2022

The first layer is just the ability to recreate the virtual machines, the routers, the domain controllers, the just the physical assets or sorry, the virtual assets or if I have a domain controller, or something in AWS or I have a router, okay, that's layer one. So we're gonna have virtual users audit attacks. Here's a special.

Banking 40

Banking Tools Network Security 40

Scott Lowe

SEPTEMBER 24, 2021

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. For reasons that I won’t go into here (maybe later), I was recently pointed toward the vcluster project (for running virtual Kubernetes clusters in a namespace of an actual cluster).

Open Source 107

Open Source Cloud Network Storage 107

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. ” Speaking of Linux networking…Marek Majkowski of Cloudflare digs deep into conntrack , used for stateful firewalling functionality. Operating Systems/Applications.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

APRIL 2, 2021

In this post , Jakub Sitnicki digs way deep into the Linux kernel to uncover the answer to the question, “Why are there no entries in the conntrack table for SYN packets dropped by the firewall?” Patrick Kremer writes about using vRealize Log Insight Cloud to monitor for firewall changes in a VMware Cloud on AWS environment.

Vmware 60

Vmware Firewall Storage Comparison 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. Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ). Virtualization.

Vmware 109

Vmware Storage Virtualization HP 109

Scott Lowe

JUNE 4, 2013

Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. I talked before about the difference between network virtualization and SDN, so no need to mention that again.

HP 106

HP Virtualization Hardware Network 106

Scott Lowe

DECEMBER 10, 2015

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. This article provides a good introductory overview of Linux iptables commands for configuring host-based firewall rules on your Linux systems. Operating Systems/Applications.

Windows 60

Windows Firewall Linux Architecture 60

Scott Lowe

SEPTEMBER 24, 2021

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. For reasons that I won’t go into here (maybe later), I was recently pointed toward the vcluster project (for running virtual Kubernetes clusters in a namespace of an actual cluster).

Open Source 60

Open Source Cloud Network Storage 60

ForAllSecure

MARCH 30, 2022

To access these sections of the building, there have to be doors, too, and behind these doors are the various companies, the various cloud clients with all their various virtual machines that can be spun up or spun down. This means that if you're an Azure customer, you can use CosmosDB to manage your data for applications.

Firewall 52

Firewall Virtualization Authentication Linux 52