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

JUNE 26, 2019

While their requirements differ slightly—and may change annually—both PCI DSS and HIPAA require organizations to build and maintain a secure network and systems using the following security measures: System auditing. You should be monitoring system calls or changes, commands users are running, and access to your files or network.

Security 60

Security Linux Policies Meeting 60

Linux Academy

MARCH 28, 2019

With cloud virtualization and advanced networking, vacating a cluster after the initialization of a new one is feasible. A large number of control aspects provided enable restrictions on network ports, mounted volumes and many other aspects of pod replicates and deployed services. Implement Network Policies. Manage Secrets.

Policies 68

Policies Linux Security Virtualization 68

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

Linux Academy

OCTOBER 2, 2019

Hi, I’m Anna, COO of Linux Academy. Anthony is out on some much-needed vacation, but that’s not going to stop us from updating you on everything new in this Linux Academy Monthly Update. CompTIA Linux Plus XK0-004. Securing a Virtual Network with Azure Firewall . Using Ansible Firewalls Rules. Hands-On Labs.

Linux 13

Linux Disaster Recovery Course Firewall 13

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. Next, he discusses the evolution of network devices so far. Is the Linux bridge efficient enough?

Virtualization 113

Virtualization Intel Cloud Data 113

Linux Academy

MAY 6, 2019

As many of you know, most firewalls today come with a default rule set permitting all outbound traffic to flow freely. You put the firewall in place, and traffic flows outbound unimpeded. This year number five is is Secure configurations for hardware and software on devices , and number 11 is Secure configuration for network devices.

Security 60

Security Firewall Backup Malware 60

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

Linux Academy

FEBRUARY 5, 2019

These controls could be firewalls, Security Information and Event Monitoring (SIEM) systems, Intrusion Prevention Systems (IPSs), Network Access Control (NAC) systems, etc. appeared first on Linux Academy Blog. Security Analysts manage the day-to-day tuning of these controls to ensure optimum performance. Conclusion.

Information Security 75

Information Security Security Firewall Backup 75

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. I hope you are able to glean something useful.

Vmware 69

Vmware Linux Storage Virtualization 69

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. As always, I hope that something I’ve included here proves useful to you.

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

MARCH 10, 2015

Networking. I love this post from Matt Oswalt on five next-gen skills for networking pros. It tells me that some skills—specifically, Linux, automation/configuration management, software development concepts—are going to be essential for all new IT pros in the near future. Here’s hoping you find something useful. You’re welcome.

Vmware 60

Vmware Linux Hardware Software Development 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.” Here’s a walkthrough to install Arch Linux on VirtualBox.

Linux 60

Linux Devops Open Source Virtualization 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). Virtualization. Version 2.0

Vmware 60

Vmware Hardware Storage Linux 60

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

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). Cloud Computing/Cloud Management.

Vmware 60

Vmware Storage Firewall Network 60

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

Fountainhead

MAY 5, 2009

So, not only can you define a virtual server instantly, you can define a *physical* server (maybe a virtual host, or a physical machine) down to I/O, NICs, Storage and Network. Today, the service provider houses over 1,425 virtual servers running on 70 industrystandard Egenera servers, 370 terabytes of storage and 1,250 virtualized firewalls.

Data Center 100

Data Center Virtualization Disaster Recovery Storage 100

Galido

AUGUST 1, 2016

In 2013 it was reported that 73% of WordPress blogs are vulnerable to attack, and that number is so large that it’s a safe bet that lots of blogs are vulnerable, still. All In One WP Security & Firewall. Once it’s installed, the plugin goes through all the security in your blog and grades it on a scale.

Tools 60

Tools Security Backup Firewall 60

Linux Academy

MAY 20, 2019

This is filtering provided at the network edge by a firewall with rules (ACLs) restricting what internal users are allowed to access. Some firewalls have the ability to filter by an application (layer 7 firewalls), but we’re going to concentrate on standard packet-filtering firewalls and their capabilities.

Security 60

Security Firewall Malware Linux 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?” Servers/Hardware.

Open Source 60

Open Source Vmware Disaster Recovery Linux 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. Welcome to Technology Short Take #57.

Windows 60

Windows Firewall Linux 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

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

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

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. Welcome to Technology Short Take #53.

Vmware 60

Vmware Linux Virtualization Tools 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

Linux Academy

APRIL 8, 2019

Maybe you have a SIEM, and you identify these attempts in a daily report and then address it by blocking the source IP address in your IPS or firewall. The post Using Multi-factor Authentication (MFA) | Roadmap to Securing Your Infrastructure appeared first on Linux Academy Blog. Well, that covers it for today.

Authentication 68

Authentication Security Firewall Backup 68

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

Galido

MAY 14, 2016

ChatSecure allows you to set a master password to keep prying eyes out of the chat app itself, supports WiFi Mesh Chat (chatting with others on the same local wireless or mesh network ─ no server required), and even enables you to create anonymous “burner” chat accounts. Only user 1 and user 2. Pretty simple. How Surespot Works.

Security 81

Security Open Source Network System 81

Scott Lowe

FEBRUARY 10, 2015

Networking. Matt Oswalt recently wrapped up his 3-part “DevOps for Networking” series. The NFV discussion seems to be heating up a bit, particularly the “networking” part of NFV. Jason Edelman has posted a self-compiled list of networking projects that are open source ; this is a useful list, so thanks for compiling it Jason!

Open Source 60

Open Source Vmware Network IBM 60

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. The name comes from the finger protocol which provides status reports on a particular computer system or a particular person at network sites.

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. The name comes from the finger protocol which provides status reports on a particular computer system or a particular person at network sites.

Open Source 52

Open Source Operating Systems Software Software 52

Linux Academy

DECEMBER 3, 2019

There are, of course, many more announcements from the keynote and Linux Academy will continue to blog throughout the week, but those were a few of the exciting announcements that caught my eye from the keynote. Andy also announced Amazon S3 Access Points , a new service that helps firewall your S3 buckets within private networks.

Linux 17

Linux Course Web Services Storage 17

ForAllSecure

MAY 2, 2023

That, of course, was not all, but it is an example of how someone -- anyone on the internet -- can take a photo or blog post or Yelp review from social media, or some other seemingly random open source item and tie it back to a crime. You got into a network. VAMOSI: I hadn’t thought about that, but Daniel’s right.

Open Source 40

Open Source Media Social Hotels 40