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Technology Short Take 136

Scott Lowe

This article by Joshua Fox outlines how and when to use each of the various types of firewalls offered by AWS. The popular open source cryptography library known as Bouncy Castle has uncovered a severe authentication bypass vulnerability. Jason Eckert provides an introduction to using WireGuard for VPN connectivity.

Linux 60
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Technology Short Take #63

Scott Lowe

I recently came across a couple useful troubleshooting guides, one for Open vSwitch (OVS) and OpenStack Neutron and one for VMware NSX. Matt Oswalt recently unveiled (and open sourced) a framework called ToDD, which stands for “Testing on Demand: Distributed”. VMware recently GA’d version 6.2 Servers/Hardware.

Vmware 60
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Technology Short Take #70

Scott Lowe

Thinking of using a hardware VTEP (VXLAN Tunnel Endpoint) with VMware NSX? VMware recently announced Open Hardware Management Services (OHMS) , a project intended to help manage servers and switches in a software-defined data center (SDDC) context. The issue lies with VMware Tools, apparently; see Jason’s post for full details.

Vmware 60
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Technology Short Take #46

Scott Lowe

Nice use of VMware Fusion in part 2, by the way.). VMware, Vagrant, and Docker together is the subject of this blog post by Fabio Rapposelli. I find it enormously helpful to stay connected to various open source-related IRC channels, but staying logged while on the move is, for all intents and purposes, impossible.

Vmware 69
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Technology Short Take #31

Scott Lowe

Greg Ferro examines a potential SDN use case (an OpenFlow use case) in the form of enterprise firewall migrations. Macintosh Networking Security Storage Virtualization Automation iSCSI OpenFlow OpenStack Puppet SDN VMware' Just getting started in the networking field? Interesting. Technology Short Take #25. Technology Short Take #29.

Storage 111
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Technology Short Take #79

Scott Lowe

Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” 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. What’s that? You haven’t heard of PowerNSX before?

Linux 60
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Technology Short Take 132

Scott Lowe

I think a fair number of folks may not be aware that the Nginx ingress controller for Kubernetes—both the community version and the Nginx-maintained open source version—do suffer from timeouts and errors resulting from changes in the back-end application’s list of endpoints (think pods being added or removed).