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. 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

Galido

FEBRUARY 10, 2017

When you place your resources in the cloud utilizing Microsoft as a provider of public cloud, your network which is situated in the cloud can be termed as a n Azure virtual network (Vnet). Your virtual network can be configured in a similar way as your internal on-premises network; i.e, VM with 3 NICs.

Virtualization 60

Virtualization Microsoft Firewall Network 60

Galido

FEBRUARY 19, 2017

Affecting a mobile phone, a computer, a laptop, or a network server, malware interrupts computing operations, hijacks networks, or access systems. If used together, they can easily protect your identity, device, and network from the most vicious but genuine-looking Internet applications. Update your browser.

Malware 68

Malware Spyware Operating Systems Applications 68

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. specifically, the new container network firewall functionality. That’s cool.

Firewall 60

Firewall Virtualization Network Storage 60

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. Operating Systems/Applications.

Open Source 60

Open Source Cloud Network Storage 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?” Operating Systems/Applications.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Linux Academy

FEBRUARY 18, 2019

I only have 3 servers and it’s a very small network, surely he’s not talking to me. Keep in mind, vulnerabilities are not only within server operating systems and applications, but on network devices, IoT devices, workstations, printers, and every other computing device you have. Oh yes, I’m talking to everyone!

Security 60

Security Linux Report Firewall 60

Linux Academy

MARCH 28, 2019

Vulnerabilities at the operating system level may be exploited by rogue container workloads if not hardened. With cloud virtualization and advanced networking, vacating a cluster after the initialization of a new one is feasible. Implement Network Policies. In place upgrades may be difficult. Manage Secrets.

Policies 68

Policies Linux Security Virtualization 68

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. 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

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. Jason Edelman is on a roll with a couple of great blog posts. App Firewall?

HP 106

HP Virtualization Hardware Network 106

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

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. Operating Systems/Applications.

Storage 60

Storage Applications Programming Firewall 60

Scott Lowe

DECEMBER 10, 2015

Networking. Tor Anderson has an article on using IPv6 for network boot using UEFI and iPXE. has a great blog series going called “Hey, I can DevOps my Network too!” Sometimes I see blog posts that tout themselves as a “deep dive” but aren’t really that deep or detailed. Operating Systems/Applications.

Windows 60

Windows Firewall Linux Architecture 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

Galido

DECEMBER 28, 2018

Information Technology Blog - - Data Security and its Importance on the Internet - Information Technology Blog. Computer networks give numerous opportunities for cyber attack. A common way for malware to attack is for it to find exploits and vulnerabilities in a system. Turn on your firewall. Limiting Risk.

Internet 60

Internet Security Data Malware 60

Galido

JUNE 23, 2016

During this level of education, it centers on security procedures, information security, computer forensics, operating system security, encryption, and fundamentals of information security. Firewalls can be setup to prevent virus attacks and password protocols may be installed to control user access.

Security 72

Security Information Security Education Firewall 72

Galido

FEBRUARY 5, 2019

Information Technology Blog - - Website Server Planning Tips - Information Technology Blog. Are you using something common, like a WordPress blog? Does your webhost provide redundancy, content delivery network, or have multiple datacenter locations on several continents? Identify your hosting needs. Enhanced Security.

Backup 103

Backup Resources Security Virtualization 103

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

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. Jason Edelman is on a roll with a couple of great blog posts. App Firewall?

HP 61

HP Virtualization Hardware Network 61

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

Linux 60

Linux Network Hardware 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 Networking. Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Career/Soft Skills.

Vmware 60

Vmware Hardware Storage Linux 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). Networking. Matt Oswalt recently wrapped up his 3-part “DevOps for Networking” series. tech preview of virtual networks for Docker.

Open Source 60

Open Source Vmware Network IBM 60

Scott Lowe

MARCH 2, 2017

Networking. I was sure I had mentioned Skydive before, but apparently not (a grep of all my blog posts found nothing), so let me rectify that first. Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” Operating Systems/Applications. What’s that? That’s handy.

Linux 60

Linux Devops Open Source Virtualization 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. Operating Systems/Applications.

Vmware 60

Vmware Linux Hardware Software Development 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. Operating Systems/Applications.

Vmware 69

Vmware Linux Storage Virtualization 69

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). Operating Systems/Applications.

Vmware 60

Vmware Storage Firewall Network 60

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? Operating Systems/Applications.

Storage 111

Storage Vmware WAN Virtualization 111

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 Disaster Recovery 60

Scott Lowe

SEPTEMBER 8, 2016

Networking. 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. This blog post on shielded VMs in Windows Server 2016 is a bit light on details, but the embedded video may be more informative (I didn’t watch it).

Vmware 60

Vmware Linux Intel Storage 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. Networking. If you haven’t read Brent’s article on building network tools with Docker , I highly recommend it. Operating Systems/Applications.

Vmware 60

Vmware Linux Virtualization Tools 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

The Accidental Successful CIO

JANUARY 30, 2019

CIOs like to think of their antivirus software as providing them with a wall of defense between their corporate networks and the big scary outside world. companies that have at least 500 employees rely on some form of security products in order to protect their networks. What’s The Value Of Antivirus Software?

Software 127

Software Software Security Artificial Intelligence 127

Chief Seattle Greek Blog

JUNE 28, 2009

Generally, I believe in centralization of tech infrastructure functions – networks and data centers and computer operating system support. Certainly, we should have a single financial management system, budget system, and payroll system.

Fractional CTO 31

Fractional CTO Budget Data Center System 31

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

ForAllSecure

MARCH 30, 2022

So I started intercepting all the traffic on your network. Elliot Alderson: You are using Tor networking to keep the server's anonymous. Fast, GB wifi leads Elliot to discover a TOR network which leads him to the onion routing protocol. Ohfeld: After elevating our privileges to it, we could inspect the firewall rules.

Firewall 52

Firewall Virtualization Authentication Linux 52

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. Security engineering usually refers to two key subdomains: network security and computer operations security.

Authentication 60

Authentication Security Disaster Recovery Firewall 60