Kerberos
Related articles
Kerberos and Spnego authentication on Windows with Firefox
Categories: Cyber Security | Tags: Firefox, FreeIPA, HTTP, Kerberos
In Greek mythology, Kerberos, also called Cerberus, guards the gates of the Underworld to prevent the dead from leaving. He is commonly described as a three-headed dog, a serpent’s tail, mane of…
By David WORMS
Nov 4, 2019
Multihoming on Hadoop
Categories: Infrastructure | Tags: HDFS, Kerberos, Network, Hadoop
Multihoming, which means having multiple networks attached to one node, is one of the main components to manage the heterogeneous network usage of an Apache Hadoop cluster. This article is an…
Mar 5, 2019
Apache Knox made easy!
Categories: Big Data, Cyber Security, Adaltas Summit 2018 | Tags: Ranger, Kerberos, LDAP, Active Directory, REST, Knox
Apache Knox is the secure entry point of a Hadoop cluster, but can it also be the entry point for my REST applications? Apache Knox overview Apache Knox is an application gateway for interacting in a…
Feb 4, 2019
Native modules for Node.js with N-API
Categories: Adaltas Summit 2018, Front End | Tags: C++, JavaScript, Kerberos, Node.js, NPM
How to create native modules for Node.js? How to use N-API, the future of native addons development? Writing C/C++ addon is a useful and powerful feature of the Node.js runtime. Let’s explore them…
Dec 12, 2018
Hadoop cluster takeover with Apache Ambari
Categories: Big Data, DevOps & SRE, Adaltas Summit 2018 | Tags: Ambari, Automation, HDP, iptables, Kerberos, Nikita, Node.js, REST, Systemd
We recently migrated a large production Hadoop cluster from a “manual” automated install to Apache Ambari, we called this the Ambari Takeover. This is a risky process and we will detail why this…
Nov 15, 2018
Managing User Identities on Big Data Clusters
Categories: Cyber Security, Data Governance | Tags: Ansible, FreeIPA, Identity, Kerberos, LDAP, Active Directory
Securing a Big Data Cluster involves integrating or deploying specific services to store users. Some users are cluster-specific when others are available across all clusters. It is not always easy to…
By David WORMS
Nov 8, 2018
Deploying a secured Flink cluster on Kubernetes
Categories: Big Data | Tags: Flink, HDFS, Kafka, Elasticsearch, Encryption, Kerberos, SSL/TLS
When deploying secured Flink applications inside Kubernetes, you are faced with two choices. Assuming your Kubernetes is secure, you may rely on the underlying platform or rely on Flink native…
By David WORMS
Oct 8, 2018
Kerberos and delegation tokens security with WebHDFS
Categories: Cyber Security | Tags: HDFS, Big Data, HTTP, Kerberos
WebHDFS is an HTTP Rest server bundle with the latest version of Hadoop. What interests me on this article is to dig into security with the Kerberos and delegation tokens functionalities. I will cover…
By David WORMS
Jul 25, 2013