Linux Academy

MAY 31, 2019

Ansible can help automate the backup, and you can learn more in this month’s how-to video that covers using Ansible to back up a Cisco ASA firewall. Red Hat offers OpenSCAP , can be used to scan Linux hosts for compliance but doesn’t scan Windows hosts.

Security 92

Security Backup Linux Operating Systems 92

Linux Academy

FEBRUARY 13, 2019

Run firewall-cmd commands on both nodes, and allow traffic for Pacemaker (TCP ports 2224, 3121, 21064, and UDP port 5405): sudo firewall-cmd --permanent --add-service=high-availability. sudo firewall-cmd --reload. Install the Apache HTTP server on both nodes, and open the HTTP ports in the firewall: sudo yum install -y httpd.

Firewall 60

Firewall Resources Linux Authentication 60

Scott Lowe

APRIL 1, 2021

In that post, I focused on the use of Linux on both the server side (on an EC2 instance in your AWS VPC) as well as on the client side (using the GNOME Network Manager interface). If the peer is Linux-based, you can use the information in my earlier blog post ; if the peer is macOS, then use the instructions in this post.

Linux 78

Linux Firewall Network Windows 78

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 ). Linux distributions that offer ARM support, though—like Ubuntu, RHEL, and SuSE—are supported, however. I hope you find something useful. Networking. Is it just me?

Vmware 123

Vmware Storage Virtualization HP 123

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

Scott Lowe

NOVEMBER 7, 2014

It was good to read this post on Cumulus Linux first impressions by Jeremy Stretch. I’m a fan of Cumulus, but I’m admittedly a Linux guy (see here ) so you might say I’m a bit biased. Jeremy is a “hard-core” networking professional, and so hearing his feedback on Cumulus Linux was, in my opinion, useful.

Vmware 87

Vmware Linux Storage Virtualization 87

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

Linux Academy

MARCH 18, 2019

We spend so much time on other things — like managing firewall rules, system patching , analyzing report data, etc. Great news – as I’m writing this, I’m also working on a CompTIA CySA+ certification course here at Linux Academy to be released soon!). that user accounts are often a neglected topic. It’s fairly simple.

Security 60

Security Linux Firewall Backup 60

Fountainhead

MAY 5, 2009

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. Albridge Solutions: Albridge Solutions migrated from UNIX servers to industry-standard servers running Linux and Egenera-based Infrastructure Orchestration. Newer Post.

Data Center 100

Data Center Virtualization Disaster Recovery Storage 100

Linux Academy

APRIL 9, 2019

From new courses to new labs, we have a ton of exciting new Google Cloud updates at Linux Academy ( where you can get the most Google Cloud training on this planet! ). Practice what you’re learning by spinning up live environments within Linux Academy! Creating Firewall Rules on a Google Cloud VPC Network.

Training 60

Training Google Cloud Linux 60

Linux Academy

FEBRUARY 18, 2019

For internal vulnerability scanning, you can set up an OpenVAS server running on Linux. There is no licensing cost for Linux or OpenVAS, which is a bonus. If you’re interested in learning more about vulnerability scanning, it’s covered in Linux Academy’s CompTIA Pentest+ course here.

Security 60

Security Linux Firewall Report 60

Linux Academy

JUNE 17, 2019

Firewall rules : Attempt to access something your firewall should be blocking. Find more of our blogs in this series by searching “roadmap to security” in our blog or click here. The post Self-Audits | Roadmap to Securing Your Infrastructure appeared first on Linux Academy Blog.

Security 60

Security Firewall Information Security Malware 60

Linux Academy

MAY 22, 2019

Welcome to Linux Academy’s Cloud Playground! Used basic Linux commands on that server. The great thing about this in-browser terminal is that it bypasses restrictions that corporate firewalls typically have, so you can learn on the job without restriction. By the end of this guide, you will have: Started an Ubuntu server.

Cloud 74

Cloud Linux Windows Course 74

Linux Academy

APRIL 19, 2019

With engaging features like live AWS cloud sandboxes and servers, Interactive Diagrams, Hands-On Labs in live cloud environments, customizable flashcards, study groups, direct access to our expert Training Architects, downloadable Course videos, and more, Linux Academy is the #1 cloud training platform that helps you learn AWS by doing.

Training 60

Training Linux Course Devops 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. This is because you have to audit technical controls and be able to understand things like firewall rules, Active Directory structure, file permissions, backups, etc.

Information Security 75

Information Security Security Firewall Backup 75

Linux Academy

JUNE 26, 2019

The Linux Audit system is a great solution. Your security team can use the Linux Unified Key Setup (LUKS) to encrypt and decrypt physical disks to keep data secure when not in use. OpenSCAP shows that a firewall is installed and running, that the Telnet protocol is disabled, and so on. Stay Compliant with Linux Academy.

Security 60

Security Linux Policies Meeting 60

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Check out Mark Russinovich’s blog post on SONiC , then pop over to Kamala Subramaniam’s more in-depth SONiC post. I knew Microsoft was cozying up to Linux, but I honestly didn’t expect they would port SQL Server to Linux.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

MARCH 10, 2015

I highly recommend you read the entire post, but in short the five skills Matt recommends are software skills (which includes configuration management and software development tools like Git ), Linux, deep protocol knowledge, hypervisor and container networking, and IPv6. NixOS seems to be an interesting re-think of a Linux distribution.

Vmware 60

Vmware Linux Hardware Software Development 60

Linux Academy

MARCH 28, 2019

These policies, like any firewall, provide an invaluable means of limiting attack vectors both inside and outside the VPC. It is important to remember that just because an endpoint is behind a firewall doesn’t mean it is not a vulnerability. These suggestions and others are covered in Linux Academy’s Kubernetes Security Course.

Policies 68

Policies Linux Virtualization Security 68

Scott Lowe

JUNE 4, 2013

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. Via Forbes Guthrie on Twitter, I saw this post on how to setup a CA on Linux and use it in a Windows environment. App Firewall? Tom Fojta shows you how.

HP 68

HP Virtualization Hardware Network 68

Linux Academy

FEBRUARY 19, 2019

” Approving AWS (and Azure, Google Cloud, or Linux) environments for your employees can pose a few problems: Administrative overhead of managing individual environments. Linux Academy manages all of the overhead associated with provisioning, securing, and tearing down the accounts. ” Why? Playground Instant Terminal.

Linux 60

Linux Cloud Training Firewall 60

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. The post May Intro | Roadmap to Securing Your Infrastructure appeared first on Linux Academy Blog. They are priceless!

Security 60

Security Firewall Backup Malware 60

Scott Lowe

MARCH 2, 2017

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. 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. Welcome to Technology Short Take #79!

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

SEPTEMBER 8, 2016

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). Cloud Computing/Cloud Management.

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

JUNE 29, 2016

It’s early yet (Falco is only at version 0.1.0), so keep that in mind— the blog post announcing Falco specifically calls out performance as something they’ll target in upcoming releases. This is a highly technical article on scheduling in the Linux kernel , but it’s well worth reading. here’s a blog post about the release.

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

OCTOBER 27, 2017

This blog post discusses some of the new network security functionality available in vSphere Integrated Containers (VIC) version 1.2; 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. That’s cool.

Firewall 60

Firewall Virtualization Network Storage 60

Galido

JUNE 28, 2018

Information Technology Blog - - Product Review: Paessler PRTG Network Monitor - Information Technology Blog. SSH: For Linux / Unix and MacOS systems. The post Product Review: Paessler PRTG Network Monitor appeared first on Information Technology Blog. This network software is not only powerful but also easy to use.

Network 60

Network LAN VOIP Licensing 60

Scott Lowe

OCTOBER 23, 2020

” Ivan Pepelnjak attempts to answer the question, “How much do I need to know about Linux networking?” ” Speaking of Linux networking…Marek Majkowski of Cloudflare digs deep into conntrack , used for stateful firewalling functionality. This Docker blog post has more details.

Open Source 60

Open Source Vmware Disaster Recovery Linux 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. Roie Ben Haim, who works in professional services at VMware, has a deep dive on the NSX distributed firewall (DFW). Welcome to Technology Short Take #53. Networking.

Vmware 60

Vmware Linux Virtualization Windows 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.

Authentication 68

Authentication Security Firewall Backup 68

Scott Lowe

MAY 12, 2016

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. The Solinea blog has a post on deploying Kubernetes with Ansible and Terraform that you might find useful/helpful. Servers/Hardware.

Vmware 60

Vmware Windows Network Agile 60

ForAllSecure

MARCH 30, 2022

So after elevating a previous to it, we could conduct a more extensive recon and on the Jupyter Notebook environment So after conducting more thorough recon on the Jupyter Notebook environment, we found out that the Jupyter Notebook had some local firewall rules restricting network access. One prevented them from access IMDS.

Firewall 52

Firewall Virtualization Authentication Linux 52

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. It’s in this domain that we lump the following: Firewalls.

Authentication 60

Authentication Security Disaster Recovery Firewall 60

Galido

MAY 14, 2016

If you have to do anonymous chatting, and you’re behind a firewall, you can install the Orbot proxy tool, which will get you through. Tox is free, open source, and available on Linux, Windows, and Mac. Republished by Blog Post Promoter The post Secure Chat Conversations appeared first on Information Technology Blog.

Security 81

Security Open Source Network Firewall 81

Scott Lowe

SEPTEMBER 3, 2013

A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. Kenneth Hui, formerly of VCE and now with Rackspace, does a great job of explaining how VMware vSphere fits into the OpenStack Nova architecture in this blog post. x that involves booting on a Linux CD.

Vmware 60

Vmware Data Center Storage Virtualization 60

Scott Lowe

FEBRUARY 10, 2015

Craig Matsumoto of SDxCentral recently published a piece on NFV performance ; that article was based largely on a blog post by Martin Taylor of Metaswitch found here. The “gotcha” is that these software stacks haven’t been written yet, so the idea of repurposing hardware from switch to firewall to load balancer is still a bit of a unicorn.

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. And it's on your Mac, and virtually any company that runs the Linux operating system. And while it’s not Windows, it can be added.

Open Source 52

Open Source Operating Systems Software Software 52