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 Thinking of using a hardware VTEP (VXLAN Tunnel Endpoint) with VMware NSX? Servers/Hardware. Welcome to Technology Short Take #70!

Vmware 60

Vmware Hardware Storage Linux 60

Galido

OCTOBER 10, 2019

This activity is known as Vulnerability Assessment, and it aims to find weaknesses in software or hardware platforms to solve failures, before they can generate a negative impact. Once the critical processes are targeted, inventory the hardware to get an overview of your network. Detect Vulnerabilities.

Development 72

Development How To Analysis Hardware 72

Scott Lowe

AUGUST 6, 2021

Servers/Hardware. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Michael Kashin explains how he built a DIY (Do It Yourself) SD-WAN using Envoy and Wireguard. Greg Ferro shares a useful CLI tip for increasing mouse tracking speed on macOS.

Open Source 105

Open Source Load Balancer WAN Architecture 105

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). Servers/Hardware. Nothing from me this time around, but if you’re really hurting for some storage news and views, check out Storage Short Take #12 from J Metz.

Storage 60

Storage Applications Programming Firewall 60

Scott Lowe

NOVEMBER 7, 2014

Servers/Hardware. While all the attention is “up the stack,” there are still some occasions when you need to worry about the details in the hardware. I’m not sure if this falls into storage or virtualization, but we’ll place it here in the Storage section. “Junk-box infrastructure,” eh?

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

OCTOBER 27, 2017

Servers/Hardware. 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. Tom Scanlan shares how to use VIC volumes as a way of helping address persistent storage challenges with containers.

Firewall 60

Firewall Virtualization Network Storage 60

CIO Business Intelligence

DECEMBER 21, 2023

This is not a simple task since it could potentially involve costly updates in software/hardware, significant changes in the codes, dataflow, system calls and most importantly, a downtime of end user programs. If one-way hashes such as SHA-256 were used, the airlines will have to replace the hashing algorithms to two-way hashes. PCI DSS v4.0

Airlines 52

Airlines Travel Security Firewall 52

Scott Lowe

APRIL 24, 2014

You might also consider enabling the built-in firewall (see this write-up for enabling pf on OS X Mountain Lion ; haven’t tried on Mavericks yet) for an added layer of network protection. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Macintosh Security Hardware'

Travel 61

Travel Firewall Backup Hardware 61

Scott Lowe

AUGUST 6, 2021

Servers/Hardware. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Michael Kashin explains how he built a DIY (Do It Yourself) SD-WAN using Envoy and Wireguard. Greg Ferro shares a useful CLI tip for increasing mouse tracking speed on macOS.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Scott Lowe

JUNE 18, 2017

Servers/Hardware. 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. I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX. RegEx tester.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Servers/Hardware. 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. I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX. RegEx tester.

Windows 60

Windows Vmware Virtualization Linux 60

SecureWorld News

JANUARY 13, 2022

That is, our primary security controls of firewalls, intrusion prevention, network segmentation, and wired network security are no longer the primary method to manage technology in a COE. Communications, log storage and forwarding, and even honoring least privilege can hinder their ability to meet all of the tenants, as well.

Authentication 75

Authentication Resources Security Cloud 75

Galido

JUNE 28, 2018

As devices are discovered, probes will also detect the services and hardware it can monitor. Reducing the costs by buying only the hardware you need. What to Monitor. PRTG monitors all types of systems, devices and applications in your IT infrastructure: SNMP: Ready to use and with customization options.

Network 60

Network LAN VOIP Licensing 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. Servers/Hardware. If you’re a real storage geek (or if you’re not but are having trouble sleeping), check out this USENIX presentation on erasure coding in Windows Azure storage. Virtualization.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

SEPTEMBER 11, 2012

Verplanke believes that DPDK (Data Plane Development Kit) and virtualization are key to virtualizing workloads that move around lots and lots of packets, such as firewalls, routers, and other similar functions. Devices first started as tightly-coupled hardware and software solutions. First, DPDK provides optimized pass-through support.

Virtualization 113

Virtualization Intel Cloud Data 113

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). Servers/Hardware. Here are some general guidelines for configuring syslog forwarding on a Cisco ASA firewall.

Vmware 60

Vmware Storage Firewall Network 60

Dataconomy

MARCH 28, 2023

The ecosystem consists of various components, including devices, communication networks, data storage, and analytics tools, that work together to create an intelligent system that enables automation, monitoring, and control of various processes. Cloud Platform IoT cloud platforms enable data storage, processing, and analysis in the cloud.

Data 28

Data Storage Security Network 28

Dataconomy

MARCH 28, 2023

The ecosystem consists of various components, including devices, communication networks, data storage, and analytics tools, that work together to create an intelligent system that enables automation, monitoring, and control of various processes. Cloud Platform IoT cloud platforms enable data storage, processing, and analysis in the cloud.

Data 28

Data Storage Security Network 28

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 12, 2012

As a provider, Expedient has to balance five core resources: compute, storage (capacity), storage (performance), network I/O, and memory. VM-to-VM (on the same host) via a hardware-based virtual switch in an SR-IOV network interface card (NIC). In this case, the switching is done in hardware in the SR-IOV NIC.

Intel 109

Intel Virtualization Data Center Network 109

Scott Lowe

MAY 12, 2016

Servers/Hardware. 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. It’s a good post, well worth reading (in my opinion). Nothing this time around. Maybe next time?

Vmware 60

Vmware Windows Network Agile 60

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. Servers/Hardware. Alan Renouf shows you how to retrieve NVMe storage device details using PowerCLI. What’s that? You haven’t heard of PowerNSX before? See here.).

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

AUGUST 16, 2017

Servers/Hardware. 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. I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX.

Windows 60

Windows Virtualization Devops Vmware 60

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. You are able to put in custom firewalls and set them according to your requirements. Do you plan on doing your own backups?

Backup 103

Backup Resources Security Virtualization 103

Scott Lowe

JUNE 29, 2016

If you like geeking out over the hardware side of networking, you may find this Ars Technica article on the physical infrastructure of the global Internet to be an interesting read. (I Servers/Hardware. (As a side note, almost every time I see “OpenSwitch” I have to do a double-take because I think it says “Open vSwitch”.).

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

FEBRUARY 2, 2017

Servers/Hardware. Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections. John Kozej has a write-up on an NSX logical switch packet walk. Sam McGeown discusses deploying ECMP with NSX for a provider logical router. Thanks to Ivan Pepelnjak, I saw this network diagnostic tool.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

SEPTEMBER 3, 2013

A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Servers/Hardware. Chris Evans takes a took at ScaleIO , recently acquired by EMC, and speculates on where ScaleIO fits into the EMC family of products relative to the evolution of storage in the data center.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

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. You may have heard about the “6-pack”, Facebook’s new open modular hardware switch introduced recently ( here’s a post on it ).

Vmware 60

Vmware Linux Hardware Software Development 60

Scott Lowe

MARCH 17, 2016

Servers/Hardware. Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. Matt Oswalt recently unveiled (and open sourced) a framework called ToDD, which stands for “Testing on Demand: Distributed”. Read more about it here. Sorry, I don’t have anything for you this time.

Vmware 60

Vmware Linux Network Open Source 60

Dataconomy

SEPTEMBER 6, 2023

Look for a Managed Security Service Provider that has invested heavily in cutting-edge security tools and technologies, such as next-generation firewalls, intrusion detection systems, and advanced threat protection platforms.

Security 74

Security Information Security Data System 74

Scott Lowe

APRIL 30, 2013

According to Martin, the term SDN originally referred to a change in the network architecture to include a) decoupling the distribution model of the control plane from the data plane; and b) generalized rather than fixed function forwarding hardware. Or virtualized firewalls? What about NX-OS, JUNOS, or EOS? Are these SDN too?

Virtualization 134

Virtualization Network Vmware Load Balancer 134

SecureWorld News

FEBRUARY 19, 2024

Choose secure hosting providers and plugins Your web hosting provider controls physical hardware, sensitive data storage, and network configurations. Be sure to verify that they are using approved Web Application Firewalls (WAFs) and secure FTP capabilities.

How To 83

How To Backup Firewall Open Source 83

Data Center Knowledge

JULY 23, 2013

Storage and bandwidth is growing accordingly.” They manage dedicated firewalls for us, but as far as load balancers we use the cloud. When we need highly detailed control over the firewalls, Latisys provided us with dedicated.”. We had the same conversation about firewalls. Cloud based firewalls aren’t the answer.”.

Cloud 189

Cloud Data Data Center Firewall 189

CIO Business Intelligence

MAY 31, 2023

APIs enable organizations to bring innovative applications and functionality to customers at an increasingly fast pace and also serve as applications for provisioning cloud platforms, hardware, and software, acting as service gateways to enable indirect and direct cloud services. Web Application Firewalls (WAF): Protect APIs from attacks.

Security 98

Security Authentication Applications Firewall 98

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?” Servers/Hardware. ” Get ready to get nerdy! I’m not sure about that. Linux malware is getting more sophisticated.

Vmware 60

Vmware Firewall Storage Comparison 60

Sean Daniel

JANUARY 3, 2012

To do this I simply: Logged into the Home Server Clicked Start , then Run , and ran the wf.msc firewall configuration utility I clicked on New Rule In the wizard that opened, I selected Port , and clicked Next. Then I upgraded my rig to a win 7 machine with some new hardware and for the life of me can not get it to work. at 11:47 AM.

How To 64

How To Windows Small Business SMB 64

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. Have you set up ransomware protection? 2 – Governance & Compliance.

Cloud 145

Cloud Open Source Applications Storage 145