All Things Distributed

SEPTEMBER 14, 2012

Werner Vogels weblog on building scalable and robust distributed systems. Whether in-the-cloud or on-premise there is a shift to a model where individual applications need to protect themselves instead of relying on firewall-like techniques. All Things Distributed. Back-to-the-Future Weekend Reading - CryptDB. Comments ().

Firewall 83

Firewall CTO Operating Systems Applications 83

Dataconomy

MAY 8, 2023

Here are some examples of each party’s responsibilities: CSP responsibilities: Securing the physical infrastructure, such as servers and storage devices. Under this model, the CSP is responsible for securing the underlying cloud infrastructure, including the physical servers, storage, and networking components.

Cloud 51

Cloud Security Resources Operating Systems 51

Scott Lowe

AUGUST 2, 2019

I’ve got a little bit of something for most everyone, except for the storage nerds (I’m leaving that to my friend J Metz this time around). Operating Systems/Applications. Here’s hoping you find something useful! Networking. Steve Sloka explains how to run Contour (a Kubernetes ingress controller) using kind.

Storage 60

Storage Applications Programming Firewall 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. Operating Systems/Applications. Networking. Adam Kotwasinski walks readers through deploying Envoy and Kafka to collect broker-level metrics. Thank you, Ben! Virtualization.

Open Source 60

Open Source Cloud Network Storage 60

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. Via Alex Mitelman’s Systems Design Weekly 015 , I was pointed to this AWS article on multi-site active-active architectures. Operating Systems/Applications.

Open Source 60

Open Source Load Balancer WAN Architecture 60

CIO Business Intelligence

JANUARY 4, 2024

Having segmentation between infrastructure providing data processing and data storage is an example of a broad IT security architectural pattern. All other needs, for example, authentication, encryption, log management, system configuration, would be treated the same—by using the architectural patterns available.

Financial 99

Financial Architecture Resources Security 99

Scott Lowe

OCTOBER 27, 2017

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. The NIST and DHS have teamed up on some efforts to secure BGP; more information is available in this article.

Firewall 60

Firewall Virtualization Network Storage 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 ). Networking.

Vmware 109

Vmware Storage Virtualization HP 109

Scott Lowe

OCTOBER 23, 2020

” Speaking of Linux networking…Marek Majkowski of Cloudflare digs deep into conntrack , used for stateful firewalling functionality. I recently stumbled across this utility to help protect your macOS-based system against persistent malware. Operating Systems/Applications. Servers/Hardware. Programming.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Galido

FEBRUARY 10, 2017

You can also utilize virtual appliances, which are termed as virtual machines on which you have installed intrusion prevention/detection solution, software firewall or other function on your azure vnet. You can select from various operating systems. This azure vnet becomes your internal network’s extension.

Virtualization 60

Virtualization Microsoft Firewall Network 60

Scott Lowe

AUGUST 11, 2016

What will happen when you combine GPUs and persistent storage? It seems to me that the ever-increasing application of persistent storage technologies in lots of difference places is going to change lots and lots of things. Operating Systems/Applications. Is the era of the storage admin over ? Good stuff!

Vmware 60

Vmware Hardware Storage Linux 60

Dataconomy

APRIL 13, 2023

It provides a graphical desktop sharing system that allows users to remotely access and control a computer’s desktop environment, making it ideal for remote technical support, remote collaboration, and other related tasks. RDP is built into Windows and is available on most versions of the operating system.

Virtualization 36

Virtualization Network Linux Windows 36

Scott Lowe

APRIL 8, 2013

Greg Ferro examines a potential SDN use case (an OpenFlow use case) in the form of enterprise firewall migrations. As the website describes it, it’s designed to “reverse engineer” servers so that you can migrate them into a configuration management system like Chef or Puppet. Operating Systems/Applications.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

JUNE 4, 2013

This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. App Firewall? Operating Systems/Applications. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Venky explains it in this post.

HP 106

HP Virtualization Hardware Network 106

Dataconomy

MARCH 28, 2023

This data is a goldmine of insights that can be harnessed to optimize various systems and processes. Data science can help organizations derive valuable insights from IoT data and make data-driven decisions to optimize their operations. It can also be used to identify potential areas for improvement and optimization within the system.

Data 28

Data Storage Security Network 28

Dataconomy

MARCH 28, 2023

This data is a goldmine of insights that can be harnessed to optimize various systems and processes. Data science can help organizations derive valuable insights from IoT data and make data-driven decisions to optimize their operations. It can also be used to identify potential areas for improvement and optimization within the system.

Data 28

Data Storage Security Network 28

Scott Lowe

JUNE 18, 2017

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. Operating Systems/Applications. Here’s a “back to the basics” post with an explanation of what an init system is (uses Fedora as an example). RegEx tester.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

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. Operating Systems/Applications. Here’s a “back to the basics” post with an explanation of what an init system is (uses Fedora as an example). RegEx tester.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

APRIL 24, 2015

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). Here are some general guidelines for configuring syslog forwarding on a Cisco ASA firewall. Operating Systems/Applications.

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

NOVEMBER 7, 2014

Operating Systems/Applications. I’m not sure if this falls into storage or virtualization, but we’ll place it here in the Storage section. you’ll need to be sure to unblock WMI in the Windows Firewall. Linux Networking Security Storage Virtualization Docker Hardware NSX OpenStack VMware'

Vmware 69

Vmware Linux Storage Virtualization 69

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

Dataconomy

SEPTEMBER 12, 2023

The VM is given its own operating system and resources, but they are all contained within the host computer. Each virtualized OS has its own set of resources, such as CPU, memory, and storage, but they share the same physical hardware. Both virtual servers can access the same SATA hard drive for storage.

Virtualization 78

Virtualization Storage Hardware Disaster Recovery 78

Galido

FEBRUARY 5, 2019

How much storage for backups do they provide? Ensure that your host specializes in custom firewalls for your CMS if you are using one, and updates web server scripts and systems regularly. This will prevent the conflict that often occurs on a shared system where other users are blacklisted for any reason.

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. Operating Systems/Applications. Alan Renouf shows you how to retrieve NVMe storage device details using PowerCLI. What’s that? That’s handy. Virtualization.

Linux 60

Linux Devops Open Source Virtualization 60

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. Pradipta Kumar Banerjee has an article on using local storage for instances in OpenStack. Operating Systems/Applications. Then again, what do I know? DVM looks handy.

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

AUGUST 16, 2017

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. Operating Systems/Applications. This is a space that’s going to see some pretty major changes over the next few years, in my humble opinion. RegEx tester.

Windows 60

Windows Virtualization Devops Vmware 60

Scott Lowe

JUNE 4, 2013

This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. App Firewall? Operating Systems/Applications. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Venky explains it in this post.

HP 61

HP Virtualization Hardware Network 61

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. Operating Systems/Applications. It’s a good post, well worth reading (in my opinion). Servers/Hardware. Nothing this time around.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

FEBRUARY 2, 2017

Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections. Operating Systems/Applications. The new filesystem is called LCFS, or Layer Cloning File System, and you can get more details on LCFS via its GitHub repository. Have a look at the article for more details.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

MARCH 17, 2016

Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. Ravello Systems (now part of Oracle Cloud following their acquisition by Oracle) has a REST API that allows you to programmatically interact with their service. Operating Systems/Applications.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

SEPTEMBER 3, 2013

A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Operating Systems/Applications. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Very good stuff! Technology Short Take #35.

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. 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

Dataconomy

JUNE 14, 2023

Ensure that your network and devices are protected by up-to-date antivirus and firewall software. Additionally, regularly update your software and operating systems with the latest security patches to stay ahead of potential vulnerabilities. Enable firewalls to prevent unauthorized access to your network.

Industry 36

Industry Internet Financial Malware 36

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). Operating Systems/Applications. Networking. Matt Oswalt recently wrapped up his 3-part “DevOps for Networking” series. Servers/Hardware.

Open Source 60

Open Source Vmware Network IBM 60

Dataconomy

MARCH 20, 2023

It is a type of malware that can cause significant damage to computer systems and networks by replicating itself and spreading autonomously. It works by exploiting vulnerabilities in the operating system or other software on the target machine to gain access and create copies of itself. What is a computer worm?

System 36

System Malware Firewall Operating Systems 36

Scott Lowe

MARCH 10, 2015

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. Operating Systems/Applications. I don’t think I’ve mentioned this before; if I have, please forgive me. Virtualization.

Vmware 60

Vmware Linux Hardware Software Development 60

Dataconomy

MARCH 20, 2023

It is a type of malware that can cause significant damage to computer systems and networks by replicating itself and spreading autonomously. It works by exploiting vulnerabilities in the operating system or other software on the target machine to gain access and create copies of itself. What is a computer worm?

System 28

System Malware Firewall Operating Systems 28