Welcome to our Blog

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The HiveMQ Team, May 4, 2015

Authorization - MQTT Security Fundamentals

Category: MQTT Security Fundamentals MQTT IoT Security

The 4th post of the MQTT Security Fundamentals has its focus on explaining authorization and how it can be implemented with MQTT.

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The HiveMQ Team, Apr 27, 2015

Advanced Authentication Mechanisms - MQTT Security Fundamentals

Category: MQTT Security Fundamentals MQTT IoT Security

This post is part of the MQTT Security Fundamentals and explains advance authentication mechanisms and how to implement custom authentication in the HiveMQ MQTT broker.

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The HiveMQ Team, Apr 20, 2015

Authentication with Username and Password - MQTT Security Fundamentals

Category: MQTT Security Fundamentals MQTT IoT Security

This post is part of the MQTT Security Fundamentals and explains advance authentication mechanisms and how to implement custom authentication in the HiveMQ MQTT broker.

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The HiveMQ Team, Apr 20, 2015

HiveMQ - MQTT Security Fundamentals

Category: MQTT Security Fundamentals MQTT IoT Security

This is the first post of the MQTT Security Fundamentals series. We explain different things that are important for securing MQTT.

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The HiveMQ Team, Apr 16, 2015

HiveMQ 2.3.1 released

Category: HiveMQ Release

HiveMQ 2.3.1 is the second release of the 2.3 series which brought a new and more performant data store.

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The HiveMQ Team, Apr 6, 2015

The results of our survey about MQTT Security Essentials

Category: MQTT Security Fundamentals MQTT IoT Security

Survey Results: Announcing MQTT Security Essentials!

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The HiveMQ Team, Apr 5, 2015

MQTT Essentials Wrap-Up

Category: MQTT Essentials MQTT

For the last 11 weeks we have released a new MQTT Essentials post every week. Today, we want to wrap-up the series and get ready for a fresh start next week with new and interesting topics.

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The HiveMQ Team, Apr 2, 2015

MQTT over WebSockets - MQTT Essentials Special

Category: MQTT Essentials MQTT

We've seen that MQTT is ideal for constrained devices and unreliable networks and that it is perfect for sending messages with a very low overhead. Naturally, it would be quite nice to send and receive MQTT messages directly in a browser. For example, on a mobile phone. MQTT over WebSockets is the answer.

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The HiveMQ Team, Mar 16, 2015

Keep Alive and Client Take-Over - MQTT Essentials Part 10

Category: MQTT Essentials MQTT

MQTT works perfectly in unreliable networks, you will learn in this post how to make sure the other end is still available and connected

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The HiveMQ Team, Mar 9, 2015

Last Will and Testament - MQTT Essentials: Part 9

Category: MQTT Essentials MQTT

Because MQTT is often used in scenarios that include unreliable networks, it's reasonable to assume that some of the MQTT clients in these scenarios will occasionally disconnect ungracefully. An ungraceful disconnect can occur due to loss of connection, empty batteries, or many other reasons.

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The HiveMQ Team, Mar 5, 2015

HiveMQ 2.3.0 released

Category: HiveMQ Release

This release brings major improvements in the cluster and has a completely redesigned storage layer for maximum performance.

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The HiveMQ Team, Mar 2, 2015

Retained Messages - MQTT Essentials: Part 8

Category: MQTT Essentials MQTT

In MQTT, the client that publishes a message has no guarantee that a subscribing client actually receives the message. The publishing client can only make sure that the message gets delivered safely to the broker.

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The HiveMQ Team, Feb 23, 2015

Persistent Session and Queuing Messages - MQTT Essentials: Part 7

Category: MQTT Essentials MQTT

The seventh MQTT Essentials post provides insights on the persistent session hold by the broker for each client and queuing of messages.

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The HiveMQ Team, Feb 16, 2015

Quality of Service 0,1 & 2 - MQTT Essentials: Part 6

Category: MQTT Essentials MQTT

The sixth post in the MQTT Essential series covers an explanation and usage guide for Quality of Service levels in MQTT.

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The HiveMQ Team, Feb 12, 2015

HiveMQ 2.0.2 released - Important Bugfix Upgrade

Category: HiveMQ Release

We just released HiveMQ 2.0.2. This is a critical Bugfix Release which fixes a regression in the Last Will and Testament Handling introduced in 2.0.1

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The HiveMQ Team, Feb 12, 2015

HiveMQ 2.2.1 released

Category: HiveMQ Release

HiveMQ 2.2.1 MQTT broker release, containing many MQTT 3.1.1 specific fixes, cluster improvements and a bug fix for the plugin system.

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The HiveMQ Team, Feb 2, 2015

MQTT Publish, Subscribe & Unsubscribe - MQTT Essentials: Part 4

Category: MQTT Essentials MQTT

In this post we delve into the specifics of publish/subscribe and unsubscribe in the MQTT protocol.

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The HiveMQ Team, Jan 19, 2015

Publish & Subscribe - MQTT Essentials: Part 2

Category: MQTT Essentials MQTT

The publish/subscribe pattern (also known as pub/sub) provides an alternative to traditional client-server architecture. In the client-sever model, a client communicates directly with an endpoint.The pub/sub model decouples the client that sends a message (the publisher) from the client or clients that receive the messages (the subscribers).

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The HiveMQ Team, Jan 12, 2015

Introducing the MQTT Protocol - MQTT Essentials: Part 1

Category: MQTT Essentials MQTT

Welcome to MQTT Essentials: A ten-part blog series on the core features and concepts of the MQTT protocol. This post outlines what we plan to cover in the blog, gives you a quick introduction to MQTT, and provides some interesting background material on the protocol.

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The HiveMQ Team, Nov 24, 2014

HiveMQ 2.1.1 released

Category: HiveMQ Release

We're pleased to announce the release of HiveMQ 2.1.1. This is a Bugfix release and brings fixes several improvements.

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The HiveMQ Team, Oct 30, 2014

6 facts why it's worth upgrading to the brand new MQTT 3.1.1 version

Category: HiveMQ

6 facts why it's worth upgrading to the brand new MQTT 3.1.1 version. The main differences of the brand new MQTT 3.1.1 specification compared to the 'old' MQTT 3.1 standard.

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The HiveMQ Team, Sep 25, 2014

HiveMQ 2.1.0 is out & HiveMQ Artifacts are in Maven Central

Category: HiveMQ Release

Version 2.1.0 of the MQTT broker HiveMQ is released. It brings a lot of new features and bug fixes, plus all artifacts are now in Maven Central.

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The HiveMQ Team, Aug 11, 2014

HiveMQ 2.0.1 is now available!

Category: HiveMQ Release

HiveMQ 2.0.1 is now available.

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The HiveMQ Team, Jun 2, 2014

HiveMQ 2.0 released

Category: HiveMQ Release

HiveMQ 2.0 is now available. It has new features like MQTT 3.1.1 support and MQTT broker bridge support and new goodies for plugin users.

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The HiveMQ Team, Apr 23, 2014

How to delete MQTT Retained Messages on Subtopics Recursively

Category: MQTT

The MQTT Delete Retained Messages Recursively Plugin is a plugin which enables clients to delete retained messages of a topic its subtopics.

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The HiveMQ Team, Mar 3, 2014

HiveMQ 1.5.0 released

Category: HiveMQ Release

We are pleased to announce the release of HiveMQ 1.5.0, which brings new features

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The HiveMQ Team, Feb 22, 2014

Getting started: HiveMQ, Native Websockets Support and Message Log Plugin

Category: MQTT

This post demonstrates how to get HiveMQ with native websockets integration and Message Log Plugin up and running in under 2 min.

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The HiveMQ Team, Jan 26, 2014

HiveMQ 1.4.2 released

Category: HiveMQ Release

We are pleased to announce the release of HiveMQ 1.4.2. This is a bugfix and minor feature release. HiveMQ 1.4 are advised to update.

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The HiveMQ Team, Jan 26, 2014

HiveMQ 1.4.3 released

Category: HiveMQ Release

We are pleased to announce the release of HiveMQ 1.4.3. This is a bugfix release and all users of HiveMQ 1.4 are advised to update.

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The HiveMQ Team, Jan 26, 2014

HiveMQ 1.4.4 released

Category: HiveMQ Release

We are pleased to announce the release of HiveMQ 1.4.4, containing bugfixes and new features.

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The HiveMQ Team, Jan 7, 2014

The HiveMQ Christmas Special 2013

Category: HiveMQ

Have a look at what the HiveMQ Christmas Special 2013 was about and what we got for our users!

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The HiveMQ Team, Jan 7, 2014

The HiveMQ New Year Special with free license

Category: HiveMQ

HiveMQ year special or: Christmas special extended

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The HiveMQ Team, Dec 9, 2013

HiveMQ Christmas Special 2013

Category: HiveMQ

We want to say a big THANK YOU to all of you and so we want to give away free HiveMQ licenses to you.

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The HiveMQ Team, Oct 22, 2013

HiveMQ - MQTT Message Log Plugin

Category: HiveMQ

A few days ago we released a new HiveMQ plugin called MQTT Message Log. This plugin logs events with HiveMQs standard log mechanism.

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The HiveMQ Team, Oct 8, 2013

HiveMQ - File Authentication Plugin - Available on GitHub

Category: HiveMQ

The plugin empowers HiveMQ to allow only MQTT clients which provide username/password. The credentials are read from a file.

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The HiveMQ Team, Oct 2, 2013

HiveMQ Monitoring: The built-in integration with a hosted Graphite Service

Category: HiveMQ Third Party

Monitoring is very important and Graphite is the perfect tool for that job. Learn how to use a hosted Graphite with HiveMQ.