Linux Academy

MAY 7, 2019

We Azure, just like Microsoft Linux! Linux Academy is the only way to get exam-like training for multiple Microsoft Azure certifications, check out this blog post if you’re wondering where to get started in Azure. You must be familiar with cloud and network fundamentals. Implement authentication. Azure Architecture.

Training 80

Training Linux Course Microsoft 80

Scott Lowe

JANUARY 15, 2021

Networking. The popular open source cryptography library known as Bouncy Castle has uncovered a severe authentication bypass vulnerability. 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

Linux Academy

MAY 7, 2019

Linux Academy is the only way to get exam-like training for multiple Microsoft Azure certifications, check out this blog post if you’re wondering where to get started in Azure. You must be familiar with cloud and network fundamentals. Implement authentication. Implement and Manage Application Services in Azure.

Training 83

Training Course Linux Microsoft 83

Linux Academy

MARCH 28, 2019

With cloud virtualization and advanced networking, vacating a cluster after the initialization of a new one is feasible. RBAC (Role Based access Control) has become a standard for the Kubernetes Authentication-Authorization-Admission security paradigm. Implement Network Policies. In place upgrades may be difficult.

Policies 68

Policies Linux Security Virtualization 68

Scott Lowe

JUNE 18, 2021

Networking. Via Ivan Pepelnjak, I was pointed to Jon Langemak’s in-depth discussion of working with Linux VRFs. The first is a post on Cilium and F5 load balancer integration , while the second discusses implementing Kubernetes network policies with Cilium and Linkerd. Operating Systems/Applications.

Vmware 60

Vmware Hardware Load Balancer Apple 60

Scott Lowe

MARCH 2, 2020

Networking. Said van de Klundert has a post on screen scraping basics for network engineers. For network engineers just getting started with network automation, I suspect that the information shared here may prove quite useful. For readers who may be new to networking, Daniel Wray has a write-up on network cabling.

Linux 60

Linux Windows Hardware Network 60

Linux Academy

MAY 7, 2019

Linux Academy is the only way to get exam-like training for multiple Microsoft Azure certifications, check out this blog post if you’re wondering where to get started in Azure. You must be familiar with cloud and network fundamentals. Implement authentication. Implement and Manage Application Services in Azure.

Training 60

Training Course Linux Microsoft 60

Linux Academy

APRIL 15, 2019

Last week, we discussed the use of password managers and multi-factor authentication (MFA). The use of an organization-level password manager for all passwords, such as subscriptions, network devices, systems, applications, etc. Patching your network devices. Network awareness using ARPwatch.

Policies 60

Policies Security Backup Linux 60

Scott Lowe

MAY 17, 2019

Networking. Courtesy of Tigera, Alex Pollitt shares some guidelines on when Linux conntrack is no longer your friend. Apparently Dell’s new docking stations support firmware updates via Linux. Operating Systems/Applications. Servers/Hardware. Michael Allen published an article on weaponizing the Yubikey.

Linux 60

Linux Dell Open Source Licensing 60

Scott Lowe

MARCH 1, 2019

Networking. Daniel Dib has a great article on how network engineers need to evolve. The network isn’t going away, it’s just changing. I referenced part 1 of Ajay Chenampara’s series on the Ansible network-engine command parser back in Technology Short Take 102 (July of last year). Go check out part 2.

Operating Systems 60

Operating Systems Authentication Network Open Source 60

Scott Lowe

FEBRUARY 19, 2014

Let’s start with passing some JSON data to a REST API to authenticate. Example 1: Authenticating to OpenStack. Let’s say you’re working with an OpenStack-based cloud, and you need to authenticate to OpenStack using OpenStack Identity (“Keystone”). Example 2: Authenticating to VMware NSX.

Authentication 93

Authentication Vmware Examples Applications 93

Scott Lowe

MAY 27, 2022

Networking. Along those lines, one of their latest articles discusses how to achieve identity-based mutual authentication leveraging eBPF. network virtualization). Is the relationship between network virtualization and service mesh closer than some folks might wish to admit? Operating Systems/Applications.

Virtualization 79

Virtualization Storage Programming Network 79

Scott Lowe

DECEMBER 27, 2019

Networking. Bruce Schneier writes about how some Chinese hackers are bypassing RSA software token authentication (the title is a bit more broad, implying other forms of two-factor authentication are affected, but the article focuses on attacks against the use of RSA software tokens). Operating Systems/Applications.

Open Source 60

Open Source Vmware Authentication Storage 60

Scott Lowe

NOVEMBER 30, 2018

Networking. Christian Kellner provides a brief reminder that not all USB-C ports are Thunderbolt ports, and updates everyone on the status of bolt (Linux utility for working with Thunderbolt ports and peripherals). Operating Systems/Applications. ” Servers/Hardware. Highly recommended reading.

Vmware 60

Vmware Authentication Virtualization Storage 60

Scott Lowe

JANUARY 14, 2016

Networking. Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). Using Python and Netmiko for network automation is the topic of this post by Colin McAlister.

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

APRIL 19, 2019

Networking. Part 2 of Stark and Wayne’s container-to-container networking for Cloud Foundry and Kubernetes dig deep into CNI workings. Milind Gunjan shares some tips for troubleshooting Linux bridged networking on a KVM host. ” Operating Systems/Applications. configurations.

Open Source 60

Open Source Tools Policies Cloud 60

Scott Lowe

OCTOBER 5, 2012

Networking. I think this three-part series on new network models for cloud computing ( part 1 , part 2 , and part 3 ), while almost a year old, is quite good. Erik Smith, notably known for his outstanding posts on storage and FCoE, takes a stab at describing some of the differences between SDN and network virtualization in this post.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

MAY 22, 2015

Welcome to Technology Short Take #51, another collection of posts and links about key data center technologies like networking, virtualization, cloud management, and applications/operating systems. Networking. Rick Sherman has an article on using Jinja2 templates for network automation , including a practical example.

Vmware 60

Vmware Network Virtualization IPv6 60

Scott Lowe

JANUARY 14, 2016

Networking. Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). Using Python and Netmiko for network automation is the topic of this post by Colin McAlister.

Devops 60

Devops Vmware Storage Open Source 60

Scott Lowe

JULY 5, 2019

Networking. If you’re unfamiliar with public key infrastructure (PKI), digital certificates, or encryption, you may find this Linux Journal article helpful. Lennart Koopmann provides a guide to Yubikey authentication in the real world. Operating Systems/Applications. It provides the basics behind X.509v3

Storage 60

Storage Hardware Open Source Vmware 60

ForAllSecure

APRIL 22, 2021

In 2013, researcher Nitesh Dhanjani found that a popular brand used simple MD5 hashes of the device's MAC addresses for authentication. Problem is, MAC addresses are not great for authentication. Calderon: Paulino Calderon, I'm a senior application security consultant with Websec.

Internet 52

Internet Research Security Tools 52

ForAllSecure

APRIL 22, 2021

In 2013, researcher Nitesh Dhanjani found that a popular brand used simple MD5 hashes of the device's MAC addresses for authentication. Problem is, MAC addresses are not great for authentication. Calderon: Paulino Calderon, I'm a senior application security consultant with Websec.

Internet 52

Internet Research Security Tools 52

ForAllSecure

DECEMBER 17, 2021

Log4j is used in many applications or is present, with dependencies in enterprise applications as well as numerous cloud services, all of which makes updating all the possible uses for it hard, even if coordinated in advance. So Bitcoin has its own network protocol. The trouble is, details of this leaked prematurely.

Open Source 52

Open Source Software Software Applications 52

Linux Academy

DECEMBER 4, 2019

You only pay for the resources needed to run your applications and CloudWatch monitoring fees. You will be able to create routes that map to multiple disparate backends, define & apply authentication and authorization to routes, set up rate limiting, and use custom domains to route requests to the APIs. Learn more here: [link].

Windows 12

Windows Authentication Meeting Resources 12

ForAllSecure

DECEMBER 2, 2021

Vamosi: So you’re CISO at a major corporation and all of sudden there’s been a ransomware attack in your network, and it’s spreading throughout your infrastructure. In addition to her knowledge of Windows, she’s equally versed in Linux and other operating systems as well.

Examples 52

Examples Operating Systems Course System 52

Dataconomy

MAY 24, 2023

It is the underlying technology behind cryptocurrencies like Bitcoin, but its applications extend beyond digital currencies. Instead of relying on a central authority, the blockchain is maintained by a network of participants, known as nodes, who collectively validate and verify transactions.

Network 59

Network Open Source IBM Applications 59

Scott Lowe

MARCH 20, 2020

Networking. Dinesh Dutt of Cumulus Networks writes about the effect of switch port count in Clos topologies. This blending of “traditional” network engineering with containers, Linux, and DevOps tooling is how Matt is setting new trends and directions for the networking industry. Good stuff here!

Linux 60

Linux Vmware Authentication Storage 60

CIO Business Intelligence

DECEMBER 7, 2023

You need to ask the important questions: How will employees and vendors access systems and applications? Throwing more money at network-centric security is not the answer. Building authentication services and MFA into the PAM platform (see above) enables rapid innovation and support for newer standards such as Passkeys.

Enterprise 103

Enterprise Enterprise Disaster Recovery Authentication 103

Scott Lowe

MARCH 10, 2023

Networking Kevin Jin’s post on the APNIC blog about network automation tools is a great read. He discusses Netmiko, NAPALM, and Nornir in some detail, and provides some guidance around which network automation tool may be right for you. Anton Kuliashov writes about why Palark uses Cilium for Kubernetes networking.

IPv6 74

IPv6 Linux Tools Network 74

ForAllSecure

NOVEMBER 18, 2021

So we include other telemetry that seeks to authenticate that the entity logging in is who they say they are. Without a basic ability to authenticate these characters, there’d be no drama, no romance, no tragedy. So that’s why you need multi factor authentication. Think about it. And important.

Authentication 52

Authentication System Examples Analysis 52

CIO Business Intelligence

JULY 19, 2023

Its commitment to Linux turned what might have been a Windows Server-based cloud computing backwater into the Microsoft Azure powerhouse, the only public cloud to give the AWS juggernaut a serious run for its money. Netskope also offers two applications that integrate with MEI.

Microsoft 93

Microsoft Security Enterprise Enterprise 93

Linux Academy

APRIL 11, 2019

Think about all the controls we have in place on our networks today: firewalls, authentication systems, intrusion detection and prevention systems (network- and host-based), router and switch security, operating system security, data encryption — the list goes on and on. Domain 3: Security Engineering. Router/switch security.

Authentication 60

Authentication Security Disaster Recovery Firewall 60

ForAllSecure

NOVEMBER 24, 2020

And how many other serious vulnerabilities like Heartbleed are lurking unknown in the applications we use everyday, in the websites we depend on, and in the devices we carry. And traditional application security tools like static analysis, they couldn’t find it. I mean, it was open source, right? What is Fuzz testing?

Open Source 52

Open Source Tools Security Software 52

ForAllSecure

NOVEMBER 24, 2020

And how many other serious vulnerabilities like Heartbleed are lurking unknown in the applications we use everyday, in the websites we depend on, and in the devices we carry. And traditional application security tools like static analysis, they couldn’t find it. I mean, it was open source, right? What is Fuzz testing?

Open Source 52

Open Source Tools Security 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. Part that doesn't allow good to exist without condition. Then I decided to hack you.

Firewall 52

Firewall Virtualization Authentication Linux 52

ForAllSecure

NOVEMBER 24, 2020

And how many other serious vulnerabilities like Heartbleed are lurking unknown in the applications we use everyday, in the websites we depend on, and in the devices we carry. And traditional application security tools like static analysis, they couldn’t find it. I mean, it was open source, right? What is Fuzz testing?

Open Source 52

Open Source Tools Security Software 52

Scott Lowe

APRIL 21, 2016

Networking. Michael Ryom has a nice (but short) article on using Log Insight along with a NetFlow proxy to help provide more detailed visibility into traffic flows between VMs on NSX logical networks. BGP seems to be emerging as an early front-runner for a standards-based control plane for software networking. Servers/Hardware.

Vmware 60

Vmware Linux Hardware Network 60