TechSNAP - Episodes Tagged with “Cloudflare”

428: RAID Reality Check

Jupiter Broadcasting — Fri, 01 May 2020 00:15:00 -0700

We dive deep into the world of RAID, and discuss how to choose the right topology to optimize performance and resilience.

Plus Cloudflare steps up its campaign to secure BGP, and why you might want to trade in cron for systemd timers.

Links:

424: AMD Inside

Jupiter Broadcasting — Fri, 06 Mar 2020 00:15:00 -0800

Cloudflare recently embarked on an epic quest to choose a CPU for its next-generation server build, so we explore the importance of requests per watt, the benefits of full memory encryption, and why AMD won.

Plus Mozilla's rollout of DNS over HTTPS has begun, a big milestone for Let's Encrypt, and more.

Links:

413: The Coffee Shop Problem

Jupiter Broadcasting — Fri, 04 Oct 2019 00:15:00 -0700

We peer into the future with a quick look at quantum supremacy, debate the latest DNS over HTTPS drama, and jump through the hoops of HTTP/3.

Plus when to use WARP, the secrets of Startpage, and the latest Ryzen release.

Links:

407: Old School Outages

Jupiter Broadcasting — Wed, 10 Jul 2019 22:00:00 -0700

Jim shares his Nagios tips and Wes chimes in with some modern tools as we chat monitoring in the wake of some high-profile outages.

Plus we turn our eye to hardware and get excited about the latest Ryzen line from AMD.

Links:

Third parties confirm AMD’s outstanding Ryzen 3000 numbers | Ars Technica — AMD debuted its new Ryzen 3000 desktop CPU line a few weeks ago at E3, and it looked fantastic. For the first time in 20 years, it looked like AMD could go head to head with Intel's desktop CPU line-up across the board. The question: would independent, third-party testing back up AMD's assertions?
The Internet broke today: Facebook, Verizon, and more see major outages | Ars Technica — Last week, Verizon caused a major BGP misroute that took large chunks of the Internet, including CDN company Cloudflare, partially down for a day. This week, the rest of the Internet has apparently asked Verizon to hold its beer.
It was a really bad month for the internet | TechCrunch — In the past month there were several major internet outages affecting millions of users across the world. Sites buckled, services broke, images wouldn’t load, direct messages ground to a halt and calendars and email were unavailable for hours at a time.
Cloudflare outage caused by bad software deploy (updated) — For about 30 minutes today, visitors to Cloudflare sites received 502 errors caused by a massive spike in CPU utilization on our network. This CPU spike was caused by a bad software deploy that was rolled back.
How Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline Today — Today at 10:30UTC, the Internet had a small heart attack. A small company in Northern Pennsylvania became a preferred path of many Internet routes through Verizon (AS701), a major Internet transit provider.
Getting started | Prometheus — This guide is a "Hello World"-style tutorial which shows how to install, configure, and use Prometheus in a simple example setup.
prometheus/node_exporter — Prometheus exporter for hardware and OS metrics exposed by *NIX kernels, written in Go with pluggable metric collectors.
Using netdata with Prometheus — Prometheus is a distributed monitoring system which offers a very simple setup along with a robust data model. Recently netdata added support for Prometheus.
prometheus/nagios_plugins — Nagios plugin for alerting on prometheus query results.
RobustPerception/nrpe_exporter — The NRPE exporter exposes metrics on commands sent to a running NRPE daemon.
m-lab/prometheus-nagios-exporter — The Prometheus Nagios exporter reads status and performance data from nagios plugins via the MK Livestatus Nagios plugin and publishes this in a form that can be scrapped by Prometheus.
Comparison to alternatives | Prometheus — Prometheus is a full monitoring and trending system that includes built-in and active scraping, storing, querying, graphing, and alerting based on time series data.
Quality server monitoring solution using NetData/Prometheus/Grafana — I’m going to quickly show you how to install both netdata and Prometheus on the client and server. We can then use grafana pointed at Prometheus to obtain long-term metrics netdata offers.
Monitoring stack by using Grafana + Prometheus + Netdata — This monitoring stack you can monitoring in real-time by Netdata and see the history by using Grafana.
Monitoring Agent · NCPA — New to NCPA? See some of the awesome features present in the Web GUI and API, available on any operating system.
Nagios 101: Understanding the Fundamentals - Nagios
Nagios Documentation

Episode 385: 3 Things to Know About Kubernetes

Jupiter Broadcasting — Thu, 27 Sep 2018 16:15:00 -0700

Kubernetes expert Will Boyd joins us to explain the top 3 things to know about Kubernetes, when it’s the right tool for the job, and building highly available production grade clusters.

Plus the privacy improvements that could be coming to HTTPS, and a new SSH auditing tool hits the open source scene.

Special Guest: Will Boyd.

Links:

Open Sourcing HASSH — HASSH is a network fingerprinting standard invented within the Detection Cloud team at Salesforce.
ESNI: A Privacy-Protecting Upgrade to HTTPS — Today, Cloudflare is announcing a major step toward closing this privacy hole and enhancing the privacy protections that HTTPS offers. Cloudflare has proposed a technical standard for encrypted SNI, or “ESNI,” which can hide the identities of the sites you visit—particularly when a large number of sites are hosted on a single set of IP addresses
What's new in Kubernetes 1.12?
Kubernetes the Hard Way — Kubernetes The Hard Way guides you through bootstrapping a highly available Kubernetes cluster with end-to-end encryption between components and RBAC authentication.
Install Minikube
Creating a single master cluster with kubeadm
10 open-source Kubernetes tools for highly effective SRE and Ops Teams
Clonezilla — Clonezilla is a partition and disk imaging/cloning program similar to True Image or Norton Ghost.

Episode 384: Interplanetary Peers

Jupiter Broadcasting — Fri, 21 Sep 2018 00:00:00 -0700

Jon the Nice Guy joins Wes to discuss all things IPFS. We'll explore what it does, how it works, and why it might be the best hope for a decentralized internet.

Plus, Magecart strikes again, Alpine has package problems, and why you shouldn't trust Western Digital's MyCloud.

Special Guest: Jon Spriggs.

Links:

GovPayNow.com Leaks 14M+ Records — Government Payment Service Inc. has leaked more than 14 million customer records dating back at least six years, including names, addresses, phone numbers and the last four digits of the payer’s credit card.
Magecart claims another victim in Newegg merchant data theft — Researchers from RiskIQ, together with Volexity, revealed that California-based retailer Newegg is the latest well-known merchant to succumb to the threat actors.
RiskIQ: Another Victim of the Magecart Assault Emerges
Password bypass flaw in Western Digital My Cloud drives puts data at risk — A security researcher has published details of a vulnerability in Western Digital’s My Cloud devices, which could allow an attacker to bypass the admin password on the drive, gaining complete control over the user’s data.
WD MyCloud Metasploit Example
Cloudflare goes InterPlanetary — Today we’re excited to introduce Cloudflare’s IPFS Gateway, an easy way to access content from the InterPlanetary File System (IPFS) that doesn’t require installing and running any special software on your computer.
End-to-End Integrity with IPFS — This post describes how to use Cloudflare's IPFS gateway to set up a website which is end-to-end secure, while maintaining the performance and reliability benefits of being served from Cloudflare’s edge network.
How permanent is data stored on IPFS?
Lesson: Add Content to IPFS and Retrieve It · Decentralized Web Primer
Leo Tindall: Putting This Blog on IPFS
A Beginner’s Guide to IPFS — IPFS consists of several innovations in communication protocols and distributed systems that have been combined to produce a file system like no other.
Useful resources for using IPFS and building things on top of it
OrbitDB: Peer-to-Peer Databases for the Decentralized Web
Rebuild Alpine Linux Docker Containers After Package Manager Patch — An attacker could intercept a package request as a Alpine Linux Docker image is being built and add malicious code that target machines would then unpack and run within the Docker container

Episode 381: Here Comes Cloud DNS

Jupiter Broadcasting — Wed, 29 Aug 2018 15:45:00 -0700

To make DNS more secure, we must move it to the cloud! At least that’s what Mozilla and Google suggest. We breakdown DNS-over-HTTPS, why it requires a “cloud” component, and the advantages it has over traditional DNS.

Plus new active attacks against Apache Struts, and a Windows 10 zero-day exposed on Twitter.