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Description

Gravitational Teleport is a modern SSH server for remotely accessing clusters of Linux servers via SSH or HTTPS. It is intended to be used instead of sshd. Teleport enables teams to easily adopt the best SSH practices like:

Programming language: Go
License: Apache License 2.0
Tags: Server     SSH     Clustering     SSH Server    
Latest version: v6.1.1

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README

Teleport

Teleport is an identity-aware, multi-protocol access proxy which understands SSH, HTTPS, Kubernetes API, MySQL and PostgreSQL wire protocols.

On a server side, Teleport is a single binary which enables convenient secure access to behind-NAT resources such as:

Teleport is trivial to setup as a Linux daemon or in a Kubernetes pod and it's rapidly replacing legacy sshd based setups at organizations who need:

  • Developer convenience of having instant secure access to everything they need across many environments and cloud providers.
  • Audit log with session recording/replay for multiple protocols
  • Easily manage trust between teams, organizations and data centers.
  • Role-based access control (RBAC) and flexible access workflows (one-time access requests)

In addition to its hallmark features, Teleport is interesting for smaller teams because it facilitates easy adoption of the best infrastructure security practices like:

  • No need to manage shared secrets such as SSH keys: Teleport uses certificate-based access with automatic certificate expiration time for all protocols.
  • 2nd factor authentication (2FA) for everything.
  • Collaboratively troubleshoot issues through session sharing.
  • Single sign-on (SSO) for everything via Github Auth, OpenID Connect or SAML with endpoints like Okta or Active Directory.
  • Infrastructure introspection: every SSH node, database instance, Kubernetes cluster or an internal web app and its status can be queried via CLI and Web UI.

Teleport is built on top of the high-quality Golang SSH implementation and it is fully compatible with OpenSSH and can be used with sshd servers and ssh clients.

Project Links Description
Teleport Website The official website of the project.
Documentation Admin guide, user manual and more.
Demo Video 5-minute video overview of the UI.
Teleconsole The free service to "invite" SSH clients behind NAT, built on top of Teleport.
Blog Our blog where we publish Teleport news.
Forum Ask us a setup question, post your tutorial, feedback or idea on our forum.
Slack Need help with set-up? Ping us in Slack channel.

Teleport 6.0 - 4:00m Demo Video

Installing and Running

Download the latest binary release, unpack the .tar.gz and run sudo ./install. This will copy Teleport binaries into /usr/local/bin.

Then you can run Teleport as a single-node cluster:

$ sudo teleport start

In a production environment Teleport must run as root. But to play, just do chown $USER /var/lib/teleport and run it under $USER, in this case you will not be able to login as someone else though.

Docker

Deploy Teleport

If you wish to deploy Teleport inside a Docker container:

# This command will pull the Teleport container image for version 6
$ docker pull quay.io/gravitational/teleport:6

View latest tags on Quay.io | gravitational/teleport

For Local Testing and Development

Follow instructions at [docker/README](docker/README.md)

Building Teleport

Teleport source code consists of the actual Teleport daemon binary written in Golang, and also of a web UI (a git submodule located in /webassets directory) written in Javascript.

Make sure you have Golang v1.15 or newer, then run:

# get the source & build:
$ git clone https://github.com/gravitational/teleport.git
$ cd teleport
$ make full

# create the default data directory before starting:
$ sudo mkdir -p -m0700 /var/lib/teleport
$ sudo chown $USER /var/lib/teleport

If the build succeeds the binaries will be placed in $GOPATH/src/github.com/gravitational/teleport/build

NOTE: The Go compiler is somewhat sensitive to amount of memory: you will need at least 1GB of virtual memory to compile Teleport. 512MB instance without swap will not work.

NOTE: This will build the latest version of Teleport, regardless of whether it is stable. If you want to build the latest stable release, git checkout to that tag (e.g. git checkout v6.0.0) before running make full.

Web UI

Teleport Web UI is located in the Gravitational Webapps repo.

Rebuilding Web UI for development

You can clone that repository and rebuild teleport UI package with:

$ git clone [email protected]:gravitational/webapps.git
$ cd webapps
$ make build-teleport

Then you can replace Teleport Web UI files with the one found in the generated /dist folder.

To enable speedy iterations on the Web UI, you can run a local web-dev server.

You can also tell teleport to load the Web UI assets from the source directory. To enable this behavior, set the environment variable DEBUG=1 and rebuild with the default target:

# Run Teleport as a single-node cluster in development mode:
$ DEBUG=1 ./build/teleport start -d

Keep the server running in this mode, and make your UI changes in /dist directory. Refer to the webapps README for instructions on how to update the Web UI.

Updating Web UI assets

After you commit a change to the webapps repo, you need to update the Web UI assets in the webassets/ git submodule.

Use make update-webassets to update the webassets repo and create a PR for teleport to update its git submodule.

You will need to have the gh utility installed on your system for the script to work. You can download it from https://github.com/cli/cli/releases/latest

Updating Documentation

TL;DR version:

make docs
make run-docs

For more details, take a look at [docs/README](docs/README.md)

Managing dependencies

Dependencies are managed using Go modules. Here are instructions for some common tasks:

Add a new dependency

Latest version:

go get github.com/new/dependency
# Update the source to actually use this dependency, then run:
make update-vendor

Specific version:

go get github.com/new/[email protected]
# Update the source to actually use this dependency, then run:
make update-vendor

Set dependency to a specific version

go get github.com/new/[email protected]
make update-vendor

Update dependency to the latest version

go get -u github.com/new/dependency
make update-vendor

Update all dependencies

go get -u all
make update-vendor

Debugging dependencies

Why is a specific package imported: go mod why $pkgname.

Why is a specific module imported: go mod why -m $modname.

Why is a specific version of a module imported: go mod graph | grep $modname.

Why did We Build Teleport?

The Teleport creators used to work together at Rackspace. We noticed that most cloud computing users struggle with setting up and configuring infrastructure security because popular tools, while flexible, are complex to understand and expensive to maintain. Additionally, most organizations use multiple infrastructure form factors such as several cloud providers, multiple cloud accounts, servers in colocation, and even smart devices. Some of those devices run on untrusted networks, behind third party firewalls. This only magnifies complexity and increases operational overhead.

We had a choice, either to start a security consulting business or build a solution that’s dead-easy to use and understand, something that creates an illusion of all of your servers being in the same room as you as if they were magically teleported. And Teleport was born!

More Information

Support and Contributing

We offer a few different options for support. First of all, we try to provide clear and comprehensive documentation. The docs are also in Github, so feel free to create a PR or file an issue if you think improvements can be made. If you still have questions after reviewing our docs, you can also:

  • Join Teleport Discussions to ask questions. Our engineers are available there to help you.
  • If you want to contribute to Teleport or file a bug report/issue, you can do so by creating an issue here in Github.
  • If you are interested in Teleport Enterprise or more responsive support during a POC, we can also create a dedicated Slack channel for you during your POC. You can reach out to us through our website to arrange for a POC.

Is Teleport Secure and Production Ready?

Teleport has completed several security audits from the nationally recognized technology security companies. Some of them have been made public. We are comfortable with the use of Teleport from a security perspective.

You can see the list of companies who use Teleport in production on the Teleport product page.

However, Teleport is still a relatively young product so you may experience usability issues. We are actively supporting Teleport and addressing any issues that are submitted to this repo. Ask questions, send pull requests, report issues and don't be shy! :)

The latest stable Teleport build can be found in Releases

Who Built Teleport?

Teleport was created by Gravitational Inc. We have built Teleport by borrowing from our previous experiences at Rackspace. It has been extracted from Gravity, our Kubernetes distribution optimized for deploying and remotely controlling complex applications into multiple environments at the same time:

  • Multiple cloud regions
  • Colocation
  • Private enterprise clouds located behind firewalls