Scott Lowe

JANUARY 15, 2021

Networking. This article by Joshua Fox outlines how and when to use each of the various types of firewalls offered by AWS. Servers/Hardware. Heidi Howard and Ittai Abraham illustrate some of the challenges of the Raft consensus protocol when there is a network partition. Operating Systems/Applications.

Linux 60

Linux Firewall Open Source Vmware 60

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. Servers/Hardware. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Operating Systems/Applications.

Open Source 105

Open Source Load Balancer WAN Architecture 105

Dataconomy

JUNE 27, 2023

Protecting against external threats Cyber hygiene acts as a shield against external threats that aim to compromise the security of your devices and networks. Avoid infected devices Be cautious when connecting to unknown or potentially compromised devices, such as public computers or untrusted networks.

Malware 68

Malware Software Software Financial 68

SecureWorld News

APRIL 9, 2023

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? In a local isolation scenario, the risk is moved from the end-user's device to a server linked to the corporate network.

Security 85

Security Malware Virtualization Network 85

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. Servers/Hardware. specifically, the new container network firewall functionality.

Firewall 60

Firewall Virtualization Network Storage 60

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. Servers/Hardware. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Operating Systems/Applications.

Open Source 60

Open Source Load Balancer WAN Architecture 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 Networking. Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Servers/Hardware.

Vmware 60

Vmware Hardware Storage Linux 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. Servers/Hardware.

Storage 60

Storage Applications Programming Firewall 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). Servers/Hardware. 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 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). Servers/Hardware. 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 Vmware Virtualization Linux 60

CIO Business Intelligence

JANUARY 20, 2023

Understanding VDI As a virtual desktop solution, VDI enables remote workers to interact with an operating system and software the same way they would if working locally—on a network-delivered endpoint device. Additionally, VDI can reduce operational costs in two ways.

Dell 59

Dell Intel Virtualization Cloud 59

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. Good advice.

Linux 60

Linux Network Virtualization IPv6 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

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. Servers/Hardware.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

AUGUST 16, 2017

Networking. Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Servers/Hardware. 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

JUNE 29, 2016

Networking. First, we have this post on HiCube, which covers MACVLAN vs. Next, we have a pair of articles by Sreenivas Makam; the first covers MACVLAN and IPVLAN basics , while the second tackles the Docker MACVLAN and IPVLAN network plugins. Servers/Hardware. Operating Systems/Applications.

Linux 60

Linux Network Hardware Vmware 60

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. Servers/Hardware.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

MARCH 10, 2015

Networking. I love this post from Matt Oswalt on five next-gen skills for networking pros. Anthony Burke (disclaimer: Anthony works for VMware in the NSBU) has a post on how to use Python to automate the bulk creation of firewall rules for use with the VMware NSX distributed firewall. Servers/Hardware.

Vmware 60

Vmware Linux Hardware Software Development 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). Servers/Hardware.

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. Servers/Hardware. What’s that? See here.).

Linux 60

Linux Devops Open Source Virtualization 60

Dataconomy

MARCH 28, 2023

It requires a deep understanding of the interplay between IoT devices, sensors, networks, and data science tools and techniques. An IoT ( Internet of Things ) ecosystem refers to a network of interconnected devices, sensors, and software applications that work together to collect, analyze, and share data. What is an IoT ecosystem?

Data 28

Data Storage Security Network 28

Dataconomy

MARCH 28, 2023

It requires a deep understanding of the interplay between IoT devices, sensors, networks, and data science tools and techniques. An IoT ( Internet of Things ) ecosystem refers to a network of interconnected devices, sensors, and software applications that work together to collect, analyze, and share data. What is an IoT ecosystem?

Data 28

Data Storage Security Network 28

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? Servers/Hardware. Technology Short Take #31.

Storage 111

Storage Vmware WAN Virtualization 111

Galido

FEBRUARY 5, 2019

Does your webhost provide redundancy, content delivery network, or have multiple datacenter locations on several continents? Ensure that your host specializes in custom firewalls for your CMS if you are using one, and updates web server scripts and systems regularly. Redudancy and Backups. Enhanced Security. Enhanced Security.

Backup 103

Backup Resources Security Virtualization 103

Scott Lowe

SEPTEMBER 3, 2013

Networking. A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Cisco shared some thoughts on what they termed a “software-only” approach; naturally, they have a different vision for data center networking (and that’s OK). Servers/Hardware.

Vmware 60

Vmware Data Center Storage Virtualization 60

Kitaboo

DECEMBER 29, 2023

5 Ways to Establish and Maintain a Secure Tech Infrastructure Define your Goals and Requirements Get an Assessment Done Establish Strong IT Policies Secure Your Network Build a Backup IV. Network – This includes network elements like LAN and WAN along with internet connection, VoIP, switches, routers, and more.

Security 78

Security eBook Education Backup 78

Dataconomy

DECEMBER 26, 2023

Overloaded network: High traffic on your network, especially if multiple devices are connected and consuming bandwidth simultaneously, can cause connectivity issues. Wireless channel congestion: If you’re in a densely populated area, the channel your Wi-Fi is using might be congested with signals from neighboring networks.

How To 74

How To Wireless Network Internet 74

Dataconomy

SEPTEMBER 12, 2023

With server virtualization, you can easily create, move, and delete virtual servers as needed, without the need for expensive hardware upgrades or complex reconfigurations. One of the key benefits of server virtualization is that it allows for more efficient use of hardware resources.

Virtualization 78

Virtualization Storage Hardware Disaster Recovery 78

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. Servers/Hardware.

Open Source 107

Open Source Cloud Network Storage 107

Scott Lowe

JUNE 4, 2013

Networking. 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. 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

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. Servers/Hardware. Operating Systems/Applications.

Vmware 60

Vmware Firewall Storage Comparison 60

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?” Servers/Hardware.

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

CIO Business Intelligence

JUNE 15, 2022

Public cloud providers such as AWS, Google, and Microsoft Azure publish shared responsibility models that push security of the data, platform, applications, operating system, network and firewall configuration, and server-side encryption, to the customer. Monitored your network environment for ongoing threats?

Cloud 136

Cloud Open Source Applications Storage 136

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. Servers/Hardware.

Open Source 60

Open Source Cloud Network Storage 60

Scott Lowe

JUNE 4, 2013

Networking. 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. 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

AUGUST 10, 2021

You know with modern vehicles, they're actually becoming like they're running on bluetooth, they're running the Android operating system. Vamosi: What unites these microcontrollers is not an operating system, rather it's a bus. A bus is a communication system that transfers data between components. What's that?

Automotive 52

Automotive Operating Systems System Tools 52