CIO Business Intelligence

NOVEMBER 23, 2022

Misconfigurations and unpatched systems – cyber criminals can purchase tools from dark Web marketplaces that will scan IT networks and devices for poor configurations and unpatched systems that they can exploit. Ransomware often starts from something as humble as someone in the organisation downloading the wrong file from an email.

Security 83

Security Intel Malware Training 83

Kitaboo

SEPTEMBER 6, 2022

Malware is malicious software designed to infect or damage the system and networks. Malware can wreak havoc on an organization’s network, damaging files and systems and stealing sensitive information. Therefore, educational institutions should invest in firewalls, intrusion detection, and virus and malware protection systems.

Education 78

Education Malware eBook Backup 78

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. 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 105

Open Source Load Balancer WAN Architecture 105

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 the event of a web attack, the user's local device will stay protected, but the company's local systems may be threatened.

Security 84

Security Malware Virtualization Network 84

Scott Lowe

JANUARY 15, 2021

This article by Joshua Fox outlines how and when to use each of the various types of firewalls offered by AWS. Servers/Hardware. Cormac Hogan shares some lessons learned using a Kubernetes Operator to query vSphere resources. Operating Systems/Applications. Thinking of buying an M1-powered Mac?

Linux 60

Linux Firewall Open Source Vmware 60

SecureWorld News

APRIL 24, 2023

When a user tries to access a service, the system compares the password they enter to the encrypted version it holds. In addition to hashing, many systems also use a process called "salting" to enhance the security of password encryption further. Access is granted only if the two match. Why is password encryption necessary?

Disaster Recovery 70

Disaster Recovery Security Malware System 70

Scott Lowe

OCTOBER 23, 2020

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

Vmware 60

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

Open Source 107

Open Source Cloud Network Storage 107

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. 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

Scott Lowe

JUNE 4, 2013

This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. Next, Jason dives a bit deeper on the relationship between network overlays and hardware , and shares his thoughts on where it does—and doesn’t—make sense to have hardware terminating overlay tunnels.

HP 106

HP Virtualization Hardware Network 106

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. Operating Systems/Applications.

Vmware 60

Vmware Hardware Storage Linux 60

Linux Academy

APRIL 11, 2019

Modern-day defense in depth strategies revolve around this same concept of making an attacker go through multiple layers of defense, with one key difference: we’re applying that to our computer systems. Overseeing the processes for other security functions to ensure those align with business/operations processes. Email filtering.

Authentication 60

Authentication Security Disaster Recovery 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. Servers/Hardware. Operating Systems/Applications. Networking. Adam Kotwasinski walks readers through deploying Envoy and Kafka to collect broker-level metrics. Thank you, Ben!

Open Source 60

Open Source Cloud Network Storage 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. Operating Systems/Applications. Cloud Computing/Cloud Management.

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. Operating Systems/Applications. Cloud Computing/Cloud Management.

Windows 60

Windows Vmware Virtualization Linux 60

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. Operating Systems/Applications. If you’re not familiar with OVN, this is a good post with which to start.

Firewall 60

Firewall Virtualization Network Storage 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. It also means keeping data protected behind a corporate firewall which helps maintain security without sacrificing performance.

Dell 59

Dell Intel Virtualization Cloud 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. Servers/Hardware. Operating Systems/Applications. AnandTech has a nice article on the future PCIe 6.0

Storage 60

Storage Applications Programming Firewall 60

Scott Lowe

MAY 3, 2013

Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ). Servers/Hardware. It will be interesting to see how the support of a “Tier 1″ hardware vendor like HP affects the adoption of ARM in the enterprise. In vSphere 5.1,

Vmware 109

Vmware Storage Virtualization HP 109

ForAllSecure

AUGUST 10, 2021

They had a reporter in the driver's seat on a Missouri interstate during rush hour, and captured on video how the researchers remotely turned off the brake system. But remote hacks of vehicles are rare for a number of reasons, as we will hear from someone who knows car systems both inside and out. What's that?

Automotive 52

Automotive Operating Systems System Tools 52

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. Operating Systems/Applications. Cloud Computing/Cloud Management.

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. Next, Jason dives a bit deeper on the relationship between network overlays and hardware , and shares his thoughts on where it does—and doesn’t—make sense to have hardware terminating overlay tunnels.

HP 61

HP Virtualization Hardware Network 61

Scott Lowe

DECEMBER 10, 2015

Servers/Hardware. 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.

Windows 60

Windows Firewall Linux Architecture 60

Galido

FEBRUARY 5, 2019

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. Enhanced Security. Security is a major issue with hosting.

Backup 103

Backup Resources Security Virtualization 103

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

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

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. Operating Systems/Applications. Patrick Ogenstad outlines what’s involved with managing Cisco IOS upgrades with Ansible.

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. 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. Virtualization.

Linux 60

Linux Network Virtualization IPv6 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. 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

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. Operating Systems/Applications. you’ll need to be sure to unblock WMI in the Windows Firewall. “Junk-box infrastructure,” eh?

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

SEPTEMBER 8, 2016

Dmitri Kalintsev is back with another article in a series of articles on using hardware VXLAN tunnel endpoints (VTEPs) with VMware NSX. Servers/Hardware. 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. Networking.

Vmware 60

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

Linux 60

Linux Devops Open Source Virtualization 60

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

Open Source 60

Open Source Vmware Network IBM 60

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

Vmware 60

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

Vmware 60

Vmware Storage Firewall Network 60