Scott Lowe

AUGUST 6, 2021

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

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

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

At the end of the course, learners will be required to complete a real-world security breach project to show their aptitude, using tools such as Wireshark, i2 Enterprise, Insight Analysis, and a suite of IBM tools. based on reviews on Coursera) Cost: Free 7-day trial, and then $312 to earn the certificate [link] 3.

Course 60

Course IBM Security Industry 60

Scott Lowe

AUGUST 6, 2021

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

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

Dataconomy

OCTOBER 17, 2023

The white hat hacker also explains the methodology and tools they will use during the assessment. Information gathering The white hat hacker begins by gathering information about the target systems, networks, and applications. This includes network scans, system enumeration, and data collection from public sources (e.g.,

Network 45

Network Security Applications System 45

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

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. Here’s another interesting tool that I haven’t had the opportunity to actually test myself. Virtualization. Just getting started in the networking field?

Storage 111

Storage Vmware WAN Virtualization 111

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. Virtualization. Two new (to me, at least) options are CUE and jk. Career/Soft Skills.

Storage 60

Storage Applications Programming Firewall 60

Scott Lowe

NOVEMBER 7, 2014

This post by Matt Oswalt—the first in a series, apparently—provides a great introduction to 5 development tools for network engineers. Operating Systems/Applications. I’m not sure if this falls into storage or virtualization, but we’ll place it here in the Storage section. Virtualization.

Vmware 69

Vmware Linux Storage Virtualization 69

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. This tool exports the DFW configuration and then converts it into Excel format, and is available on GitHub. Operating Systems/Applications. Virtualization.

Linux 60

Linux Devops Open Source Virtualization 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. Thanks to Ivan Pepelnjak, I saw this network diagnostic tool. Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

APRIL 24, 2015

If you’re looking for more examples of how to incorporate these sorts of tools into your own network automation workflow, I’d recommend having a look at this article. 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

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. Layer two is going to be the automation of, say the security tools.

Banking 40

Banking Tools Network Security 40

Scott Lowe

MAY 12, 2016

In the event you’re interested in an idea of how much latency the use of in-kernel hypervisor firewalling (such as that offered by VMware NSX) adds, have a look at this article by Sean Howard. Massimo Re Ferrè recently commented on—in his words— the “incestuous” relationships between all the various orchestration/scheduling tools out there.

Vmware 60

Vmware Windows Network Agile 60

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

JUNE 29, 2016

Sysdig Falco , a behavioral security tool with support for containers (can run in a container and can monitor containers) looks like it could be a useful addition to your security toolset. Operating Systems/Applications. I enjoyed Adam Leventhal’s evaluation of APFS , the new file system announced at the most recent Apple WWDC.

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

MARCH 10, 2015

I highly recommend you read the entire post, but in short the five skills Matt recommends are software skills (which includes configuration management and software development tools like Git ), Linux, deep protocol knowledge, hypervisor and container networking, and IPv6. Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Linux Hardware Software Development 60

CIO Business Intelligence

NOVEMBER 2, 2023

So, in a nutshell, least privilege says that every object in a system – whether a user, a process, or an application – must be able to access only the information and resources that it needs, and no more. Similarly, a compliance tool that plugs into corporate cloud email systems demands read-and-write access to all user mailboxes.

Backup 128

Backup Information Security Security Operating Systems 128

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

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

ForAllSecure

AUGUST 10, 2021

He also shares some tools, books, and website resources that you can use to get started hacking cars yourself. You know with modern vehicles, they're actually becoming like they're running on bluetooth, they're running the Android operating system. A bus is a communication system that transfers data between components.

Automotive 52

Automotive Operating Systems System Tools 52

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

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. When organizations move to the cloud, one of the first choices is who is going to manage your security. You don't have to.

Firewall 52

Firewall Virtualization Authentication Linux 52

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

AUGUST 25, 2015

In this post, I’ve gathered links to posts about networking, virtualization, Docker, containers, Linux, configuration management, and all kinds of other cool stuff. If you haven’t read Brent’s article on building network tools with Docker , I highly recommend it. Operating Systems/Applications. Networking.

Vmware 60

Vmware Linux Virtualization Tools 60

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 61

HP Virtualization Hardware Network 61

ForAllSecure

MARCH 24, 2021

That meant I tested the release candidates -- not the final product you’d buy in the stores - for consumer-grade antivirus programs, desktop firewalls, and desktop Intrusion detection systems. Vamosi: So a vulnerable version of Bash provided an attacker the ability to pass untrusted code to other systems and processes.

Open Source 52

Open Source Operating Systems Software Software 52

ForAllSecure

MARCH 24, 2021

That meant I tested the release candidates -- not the final product you’d buy in the stores - for consumer-grade antivirus programs, desktop firewalls, and desktop Intrusion detection systems. Vamosi: So a vulnerable version of Bash provided an attacker the ability to pass untrusted code to other systems and processes.

Open Source 52

Open Source Operating Systems Software Software 52

Scott Lowe

SEPTEMBER 8, 2016

The use of VMware NSX for microsegmentation is a really popular use case, and so the topic of scripting distributed firewall (DFW) rules often comes up. Operating Systems/Applications. Virtualization. A more detailed analysis of silicon photonics can be had over at The Next Platform. Then again, what do I know?

Vmware 60

Vmware Linux Intel Storage 60