ZeroTier

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ZeroTier, Inc
TypePrivate
Industry
Founded2011; 10 years ago (2011)
FounderAdam Ierymenko
Headquarters,
United States
Area served
Worldwide
Key people
Adam Ierymenko (CEO)
Products
  • ZeroTier One
  • Central
  • libzt (SDK)
  • LF (pronounced "aleph")
Websitezerotier.com

ZeroTier Inc. is a software company with a freemium business model based in Irvine, California. ZeroTier provides proprietary software, SDKs[1] and commercial products and services to create and manage virtual software defined networks. The company's flagship end-user product ZeroTier One[2] is a client application that enables devices such as PCs, phones, servers and embedded devices to securely connect to peer-to-peer virtual networks.[3][4][5]

ZeroTier One
Developer(s)ZeroTier Inc.
Stable release
1.6.4[6] / February 17, 2021; 5 months ago (2021-02-17)
Operating systemMicrosoft Windows, macOS, Linux, Linux on ARM
TypeSD-WAN, P2P, VPN
LicenseBusiness Source License (Free for personal use. Enterprise pricing available); formerly GPLv3
Websitehttps://www.zerotier.com

Software tools[edit]

ZeroTier provides a suite of proprietary tools, licensed under a Business Source License 1.1,[7] intended to support development and deployment of virtual data centers:

The main product line consists of these following tools:

  • ZeroTier One, first released in 2014,[8] a portable client application that provides connectivity to public or private virtual networks.
  • Central, a web-based UI portal for managing virtual networks.
  • libzt (SDK), a linkable library that provides the functionality of ZeroTier One but that can be embedded in applications or services.
  • LF (pronounced "aleph"), a fully decentralized fully replicated key/value store.

Client[edit]

The ZeroTier client is used to connect to virtual networks previously created in the ZeroTier Central web-based UI. Endpoint connections are peer-to-peer and end-to-end encrypted. STUN and hole punching are used to establish direct connections between peers behind NAT. Direct connection route discovery is made with the help of a global network of root servers via a mechanism similar to ICE in WebRTC.

Controller[edit]

Virtual networks are created and managed using a ZeroTier controller. Management is done using an API, proprietary web-based UI (ZeroTier Central), open-source web-based[9][10] or CLI[11] alternative. Using root servers other than those hosted by ZeroTier Inc. is impeded by the software's license.

Security[edit]

The following considerations apply to ZeroTier's use as an SDWAN or VPN application:

  • Asymmetric public key encryption is Curve25519, a 256-bit elliptic curve variant.
  • All traffic is encrypted end to end on OSI layer 1 using 256-bit Salsa20 and authenticated using the Poly1305 message authentication (MAC) algorithm.[12] MAC is computed after encryption (encrypt-then-MAC) and the cipher/MAC composition used is identical to the NaCl reference implementation.[13]

Packages[edit]

ZeroTier One is available on multiple platforms and in multiple forms:

Similar projects[edit]

See also[edit]

References[edit]

  1. ^ Source code repositories
  2. ^ a b ZeroTier One
  3. ^ ""ZeroTier" that allows you to connect Windows, Mac, Linux, Android, iOS with VPN without difficult setting". GIGAZINE.net.
  4. ^ "Peer-to-peer-based VPN alternatives". Linux-Magazine.com.
  5. ^ Goethals, Tom; Kerkhove, Dwight; Volckaert, Bruno; De Turck, Filip (October 21–25, 2019). Scalability evaluation of VPN technologies for secure container networking (PDF). 15th International Conference on Network and Service Management, CNSM 2019. Halifax, Canada.
  6. ^ [1]
  7. ^ "LICENSE.txt". Retrieved 2021-01-01.
  8. ^ https://github.com/zerotier/ZeroTierOne/releases/tag/0.9.2
  9. ^ zt-panel — ZeroTier controller panel built with vue.js
  10. ^ ZeroTier controller webinterface ztnui
  11. ^ ZeroTier Network Controller in Python
  12. ^ ZeroTier Cryptography
  13. ^ ZeroTier Manual: Cryptography
  14. ^ ZeroTier Docker container page
  15. ^ ZeroTier One Google Play Store page

External links[edit]