Latest version: 1.6.4 || ZeroTier raises $2M to accelerate growth. Read more.


Research Notes on 2.x Cryptography

August 21, 2019

Since releasing ZeroTier 1.4 and LF we have shifted most of our effort over to developing our upcoming 2.0 release. Not much has been announced about this release, though in the LF documentation we hinted at how it will be used with 2.0 roots. In 2.0 we’re improving numerous things: performance, multicast efficiency, the ability […]

How ZeroTier Eliminated Kernel Extensions on MacOS

August 21, 2019

… version 10.13 or newer at least … Since we first released ZeroTier for MacOS we’ve used a kernel extension based on a stripped down and rebranded version of tuntaposx. In our version we increased the maximum MTU, removed tun support (we only use tap), and changed the interface names to start with “zt.” To […]

LF: A Fully Decentralized Fully Replicated Key/Value Store

June 30, 2019

TL;DR: this post introduces LF in detail and provides a little bit of back story on its development. You can head over to GitHub if you just want to jump in and give it a spin. Also see threads at Hacker News and ZeroTier started as an open source Internet decentralization project. That goal […]

ZeroTier 1.4.0pre (1.2.99)

June 28, 2019

We’re preparing to release 1.4.0 and would like people to give it a try. We’ve created Windows and Mac installer packages for a pre-release we’ve numbered 1.2.99 (which is really 1.4.0pre). The most important new feature in 1.4.0 is multipath support. Multipath means that ZeroTier will use more than one physical path at once to […]

State of the ZeroTier Address

June 26, 2019

Greetings ZeroTier users! This is ZeroTier Founder Adam Ierymenko and it’s about time for me to deliver a much-belated update on our current status and our future plans. First: no, we are not dead! Quite the opposite. We’ve had too much attention from large enterprise customers and have badly neglected our web site. Our new […]

The Horror in the Standard Library

May 5, 2017

This describes a nasty and definitely absolutely real bug in GNU libstdc++ that existed as of the time of this post. We’re not sure if it still does. About a week ago many users may have noticed instability on our hosted ZeroTier Central. Network controllers would flicker on and off, and eventually the whole service needed […]