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Insights, guides, and engineering deep-dives from the Teleport team

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Kubernetes

CVE in the heart of Kubernetes apiserver

An overview into CVE-2018-1002105's root cause and a program to test if your clusters are affected

Kubernetes

Authenticate against GKE without gcloud

GKE requires Google Cloud Tools to be installed. This post shows how to authenticate with GKE using a generic kubeconfig without needing to install gcloud.

SSH

Teleport universal gateway for SSH and Kubernetes

Announcing a new Teleport release that adds Kubernetes protocol support, making it a universal security gateway for both SSH and Kubernetes clusters.

Kubernetes

Kubeadm + Flannel + Dashboard = 💣

A brief explanation of a common problem that could happen while creating new Kubernetes clusters with Kubeadm, Flannel and installing the Dashboard tool.

SSH

Teleport 2.7 Released: Improved performance, compliance settings and SCP for Web UI

Teleport 2.7 adds SCP support in the Web UI, performance improvements for large clusters, and more flexibility for PCI, SOC2, GDPR, and other compliance use cases.

Programming

The Horrors of Upgrading Etcd Beneath Kubernetes

We dig into the challenges of in-place etcd upgrades beneath autonomous Kubernetes clusters running in air-gapped environments.

Engineering

Restarting a Go Program Without Downtime

This post discusses approaches to gracefully restart a Go application with a working sample, useful for developers and SREs who build services written in Go.

SSH

Teleport 2.6 Audit Report is Available

Cure53 completed a full security audit of Teleport. Here's a brief summary of their findings with links to the full penetration test report.

SSH

Teleport 2.6 Release Information

Announcing Teleport v2.6, a major release with important new features whose source code also passed a security audit performed by Cure53.

Programming

Chasing missing SIGINT signals - SSH

The first in a series on interesting bugs at Teleport. This post about missing SIGINTs and SSH is useful for Go developers who use signal handling in terminal apps.

Programming

The False Allure of Hashing for Anonymization

Why using cryptographic hashes doesn't make data anonymous.

SSH

How to use Teleport RBAC with OpenSSH servers

Technical deep dive into an RBAC mechanism to restrict access to critical nodes within an OpenSSH cluster.

Gravity

GDPR - SaaS reconsiders on-premises software

We review GDPR's impact on SaaS vendors and data collection practices and how it may reduce the cost disparity between hosted SaaS and on-premises Private SaaS.

SSH

Teleport 2.5 released

This release of Teleport brings easier AWS deployments at scale and includes several usability enhancements.

SSH

How to use Let's Encrypt with an SSH Bastion

The Teleport Proxy requires a valid x509 certificate to serve the Web UI via HTTPS. This post shows how to configure the Teleport Proxy to use Let's Encrypt.

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