teleport

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Published: May 6, 2021 License: Apache-2.0 Imports: 4 Imported by: 0

README

Gravitational Teleport

Gravitational Teleport is a modern security gateway for remotely accessing:

  • Clusters of Linux servers via SSH or SSH-over-HTTPS in a browser.
  • Kubernetes clusters.

It is intended to be used instead or together with sshd for organizations who need:

  • SSH audit with session recording/replay.
  • Kubernetes API Access with audit and kubectl exec recording/replay.
  • Easily manage trust between teams, organizations and data centers.
  • Have SSH or Kubernetes access to behind-firewall clusters without any open ports.
  • Role-based access control (RBAC) for SSH protocol.
  • Unified RBAC for SSH and Kubernetes.

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 distribute keys: Teleport uses certificate-based access with automatic certificate expiration time.
  • 2nd factor authentication (2FA) for SSH and Kubernetes.
  • Collaboratively troubleshoot issues through session sharing.
  • Single sign-on (SSO) for SSH/Kubernetes and your organization identities via Github Auth, OpenID Connect or SAML with endpoints like Okta or Active Directory.
  • Cluster introspection: every SSH node 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 3-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
Security Updates Teleport Community Edition Security Updates
Community Forum Teleport Community Forum

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.

If you wish to deploy Teleport inside a Docker container:

# This command will pull the Teleport container image for version 4.0.4
# Replace 4.0.4 with the version you need:
$ docker pull quay.io/gravitational/teleport:4.0.4

View latest tags on Quay.io | gravitational/teleport

Building Teleport

Teleport source code consists of the actual Teleport daemon binary written in Golang, and also it has a web UI (located in /web directory) written in Javascript. The WebUI is not changed often and we keep it checked into Git under /dist, so you only need to build Golang:

Make sure you have Golang v1.12 or newer, then run:

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

# create the default data directory before starting:
$ sudo mkdir -p /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 v2.5.7) before running make full.

Rebuilding Web UI

To enable speedy iterations on the Web UI, teleport can 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:

$ make

# 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 web/README.md for instructions on how to update the Web UI.

Updating Documentation

TL;DR version:

make docs
make run-docs

For more details, take a look at docs/README

Why did We Build Teleport?

Mature tech companies with significant infrastructure footprints tend to implement most of these patterns internally. Teleport allows smaller companies without significant in-house SSH expertise to easily adopt them, as well. Teleport comes with an accessible Web UI and a very permissive Apache 2.0 license to facilitate adoption and use.

Being a complete standalone tool, Teleport can be used as a software library enabling trust management in complex multi-cluster, multi-region scenarios across many teams within multiple organizations.

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 the Teleport Community 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

Documentation

Overview

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:

  • No need to distribute keys: Teleport uses certificate-based access with automatic expiration time.
  • Enforcement of 2nd factor authentication.
  • Cluster introspection: every Teleport node becomes a part of a cluster and is visible on the Web UI.
  • Record and replay SSH sessions for knowledge sharing and auditing purposes.
  • Collaboratively troubleshoot issues through session sharing.
  • Connect to clusters located behind firewalls without direct Internet access via SSH bastions.
  • Ability to integrate SSH credentials with your organization identities via OAuth (Google Apps, Github).
  • Keep the full audit log of all SSH sessions within a cluster.

Teleport web site:

https://gravitational.com/teleport/

Teleport on Github:

https://github.com/gravitational/teleport

Index

Constants

View Source
const (
	// SSHAuthSock is the environment variable pointing to the
	// Unix socket the SSH agent is running on.
	SSHAuthSock = "SSH_AUTH_SOCK"
	// SSHAgentPID is the environment variable pointing to the agent
	// process ID
	SSHAgentPID = "SSH_AGENT_PID"

	// SSHTeleportUser is the current Teleport user that is logged in.
	SSHTeleportUser = "SSH_TELEPORT_USER"

	// SSHSessionWebproxyAddr is the address the web proxy.
	SSHSessionWebproxyAddr = "SSH_SESSION_WEBPROXY_ADDR"

	// SSHTeleportClusterName is the name of the cluster this node belongs to.
	SSHTeleportClusterName = "SSH_TELEPORT_CLUSTER_NAME"

	// SSHTeleportHostUUID is the UUID of the host.
	SSHTeleportHostUUID = "SSH_TELEPORT_HOST_UUID"

	// SSHSessionID is the UUID of the current session.
	SSHSessionID = "SSH_SESSION_ID"
)
View Source
const (
	// HTTPSProxy is an environment variable pointing to a HTTPS proxy.
	HTTPSProxy = "HTTPS_PROXY"

	// HTTPProxy is an environment variable pointing to a HTTP proxy.
	HTTPProxy = "HTTP_PROXY"

	// NoProxy is an environment variable matching the cases
	// when HTTPS_PROXY or HTTP_PROXY is ignored
	NoProxy = "NO_PROXY"
)
View Source
const (
	// TOTPValidityPeriod is the number of seconds a TOTP token is valid.
	TOTPValidityPeriod uint = 30

	// TOTPSkew adds that many periods before and after to the validity window.
	TOTPSkew uint = 1
)
View Source
const (
	// ComponentMemory is a memory backend
	ComponentMemory = "memory"

	// ComponentAuthority is a TLS and an SSH certificate authority
	ComponentAuthority = "ca"

	// ComponentProcess is a main control process
	ComponentProcess = "proc"

	// ComponentServer is a server subcomponent of some services
	ComponentServer = "server"

	// ComponentReverseTunnelServer is reverse tunnel server
	// that together with agent establish a bi-directional SSH revers tunnel
	// to bypass firewall restrictions
	ComponentReverseTunnelServer = "proxy:server"

	// ComponentReverseTunnelAgent is reverse tunnel agent
	// that together with server establish a bi-directional SSH revers tunnel
	// to bypass firewall restrictions
	ComponentReverseTunnelAgent = "proxy:agent"

	// ComponentLabel is a component label name used in reporting
	ComponentLabel = "component"

	// ComponentKube is a kubernetes proxy
	ComponentKube = "proxy:kube"

	// ComponentAuth is the cluster CA node (auth server API)
	ComponentAuth = "auth"

	// ComponentGRPC is grpc server
	ComponentGRPC = "grpc"

	// ComponentMigrate is responsible for data migrations
	ComponentMigrate = "migrate"

	// ComponentNode is SSH node (SSH server serving requests)
	ComponentNode = "node"

	// ComponentForwardingNode is SSH node (SSH server serving requests)
	ComponentForwardingNode = "node:forward"

	// ComponentProxy is SSH proxy (SSH server forwarding connections)
	ComponentProxy = "proxy"

	// ComponentDiagnostic is a diagnostic service
	ComponentDiagnostic = "diag"

	// ComponentClient is a client
	ComponentClient = "client"

	// ComponentTunClient is a tunnel client
	ComponentTunClient = "client:tunnel"

	// ComponentCache is a cache component
	ComponentCache = "cache"

	// ComponentBackend is a backend component
	ComponentBackend = "backend"

	// ComponentCachingClient is a caching auth client
	ComponentCachingClient = "client:cache"

	// ComponentSubsystemProxy is the proxy subsystem.
	ComponentSubsystemProxy = "subsystem:proxy"

	// ComponentLocalTerm is a terminal on a regular SSH node.
	ComponentLocalTerm = "term:local"

	// ComponentRemoteTerm is a terminal on a forwarding SSH node.
	ComponentRemoteTerm = "term:remote"

	// ComponentRemoteSubsystem is subsystem on a forwarding SSH node.
	ComponentRemoteSubsystem = "subsystem:remote"

	// ComponentAuditLog is audit log component
	ComponentAuditLog = "audit"

	// ComponentKeyAgent is an agent that has loaded the sessions keys and
	// certificates for a user connected to a proxy.
	ComponentKeyAgent = "keyagent"

	// ComponentKeyStore is all sessions keys and certificates a user has on disk
	// for all proxies.
	ComponentKeyStore = "keystore"

	// ComponentConnectProxy is the HTTP CONNECT proxy used to tunnel connection.
	ComponentConnectProxy = "http:proxy"

	// ComponentSOCKS is a SOCKS5 proxy.
	ComponentSOCKS = "socks"

	// ComponentKeyGen is the public/private keypair generator.
	ComponentKeyGen = "keygen"

	// ComponentFirestore represents firestore clients
	ComponentFirestore = "firestore"

	// ComponentSession is an active session.
	ComponentSession = "session"

	// ComponentDynamoDB represents dynamodb clients
	ComponentDynamoDB = "dynamodb"

	// Component pluggable authentication module (PAM)
	ComponentPAM = "pam"

	// ComponentUpload is a session recording upload server
	ComponentUpload = "upload"

	// ComponentWeb is a web server
	ComponentWeb = "web"

	// ComponentWebsocket is websocket server that the web client connects to.
	ComponentWebsocket = "websocket"

	// ComponentRBAC is role-based access control.
	ComponentRBAC = "rbac"

	// ComponentKeepAlive is keep-alive messages sent from clients to servers
	// and vice versa.
	ComponentKeepAlive = "keepalive"

	// ComponentTSH is the "tsh" binary.
	ComponentTSH = "tsh"

	// ComponentKubeClient is the Kubernetes client.
	ComponentKubeClient = "client:kube"

	// ComponentBuffer is in-memory event circular buffer
	// used to broadcast events to subscribers.
	ComponentBuffer = "buffer"

	// ComponentBPF is the eBPF packagae.
	ComponentBPF = "bpf"

	// ComponentCgroup is the cgroup package.
	ComponentCgroup = "cgroups"

	// DebugEnvVar tells tests to use verbose debug output
	DebugEnvVar = "DEBUG"

	// VerboseLogEnvVar forces all logs to be verbose (down to DEBUG level)
	VerboseLogsEnvVar = "TELEPORT_DEBUG"

	// IterationsEnvVar sets tests iterations to run
	IterationsEnvVar = "ITERATIONS"

	// DefaultTerminalWidth defines the default width of a server-side allocated
	// pseudo TTY
	DefaultTerminalWidth = 80

	// DefaultTerminalHeight defines the default height of a server-side allocated
	// pseudo TTY
	DefaultTerminalHeight = 25

	// SafeTerminalType is the fall-back TTY type to fall back to (when $TERM
	// is not defined)
	SafeTerminalType = "xterm"

	// ConnectorOIDC means connector type OIDC
	ConnectorOIDC = "oidc"

	// ConnectorSAML means connector type SAML
	ConnectorSAML = "saml"

	// ConnectorGithub means connector type Github
	ConnectorGithub = "github"

	// DataDirParameterName is the name of the data dir configuration parameter passed
	// to all backends during initialization
	DataDirParameterName = "data_dir"

	// SSH request type to keep the connection alive. A client and a server keep
	// pining each other with it:
	KeepAliveReqType = "keepalive@openssh.com"

	// RecordingProxyReqType is the name of a global request which returns if
	// the proxy is recording sessions or not.
	RecordingProxyReqType = "recording-proxy@teleport.com"

	// OTP means One-time Password Algorithm for Two-Factor Authentication.
	OTP = "otp"

	// TOTP means Time-based One-time Password Algorithm. for Two-Factor Authentication.
	TOTP = "totp"

	// HOTP means HMAC-based One-time Password Algorithm.for Two-Factor Authentication.
	HOTP = "hotp"

	// U2F means Universal 2nd Factor.for Two-Factor Authentication.
	U2F = "u2f"

	// OFF means no second factor.for Two-Factor Authentication.
	OFF = "off"

	// Local means authentication will happen locally within the Teleport cluster.
	Local = "local"

	// OIDC means authentication will happen remotely using an OIDC connector.
	OIDC = ConnectorOIDC

	// SAML means authentication will happen remotely using a SAML connector.
	SAML = ConnectorSAML

	// Github means authentication will happen remotely using a Github connector.
	Github = ConnectorGithub

	// JSON means JSON serialization format
	JSON = "json"

	// YAML means YAML serialization format
	YAML = "yaml"

	// Text means text serialization format
	Text = "text"

	// LinuxAdminGID is the ID of the standard adm group on linux
	LinuxAdminGID = 4

	// LinuxOS is the GOOS constant used for Linux.
	LinuxOS = "linux"

	// WindowsOS is the GOOS constant used for Microsoft Windows.
	WindowsOS = "windows"

	// DarwinOS is the GOOS constant for Apple macOS/darwin.
	DarwinOS = "darwin"

	// DirMaskSharedGroup is the mask for a directory accessible
	// by the owner and group
	DirMaskSharedGroup = 0770

	// FileMaskOwnerOnly is the file mask that allows read write access
	// to owers only
	FileMaskOwnerOnly = 0600

	// On means mode is on
	On = "on"

	// Off means mode is off
	Off = "off"

	// SchemeS3 is S3 file scheme, means upload or download to S3 like object
	// storage
	SchemeS3 = "s3"

	// SchemeGCS is GCS file scheme, means upload or download to GCS like object
	// storage
	SchemeGCS = "gs"

	// Region is AWS region parameter
	Region = "region"

	// Endpoint is an optional Host for non-AWS S3
	Endpoint = "endpoint"

	// Insecure is an optional switch to use HTTP instead of HTTPS
	Insecure = "insecure"

	// DisableServerSideEncryption is an optional switch to opt out of SSE in case the provider does not support it
	DisableServerSideEncryption = "disablesse"

	// SchemeFile is a local disk file storage
	SchemeFile = "file"

	// SchemeStdout outputs audit log entries to stdout
	SchemeStdout = "stdout"

	// LogsDir is a log subdirectory for events and logs
	LogsDir = "log"

	// Syslog is a mode for syslog logging
	Syslog = "syslog"

	// HumanDateFormat is a human readable date formatting
	HumanDateFormat = "Jan _2 15:04 UTC"

	// HumanDateFormatSeconds is a human readable date formatting with seconds
	HumanDateFormatSeconds = "Jan _2 15:04:05 UTC"

	// HumanDateFormatMilli is a human readable date formatting with milliseconds
	HumanDateFormatMilli = "Jan _2 15:04:05.000 UTC"

	// DebugLevel is a debug logging level name
	DebugLevel = "debug"
)
View Source
const (

	// OIDCPromptSelectAccount instructs the Authorization Server to
	// prompt the End-User to select a user account.
	OIDCPromptSelectAccount = "select_account"

	// OIDCAccessTypeOnline indicates that OIDC flow should be performed
	// with Authorization server and user connected online
	OIDCAccessTypeOnline = "online"
)
View Source
const (
	// AuthorizedKeys are public keys that check against User CAs.
	AuthorizedKeys = "authorized_keys"
	// KnownHosts are public keys that check against Host CAs.
	KnownHosts = "known_hosts"
)
View Source
const (
	// CertExtensionPermitAgentForwarding allows agent forwarding for certificate
	CertExtensionPermitAgentForwarding = "permit-agent-forwarding"
	// CertExtensionPermitPTY allows user to request PTY
	CertExtensionPermitPTY = "permit-pty"
	// CertExtensionPermitPortForwarding allows user to request port forwarding
	CertExtensionPermitPortForwarding = "permit-port-forwarding"
	// CertExtensionTeleportRoles is used to propagate teleport roles
	CertExtensionTeleportRoles = "teleport-roles"
	// CertExtensionTeleportRouteToCluster is used to encode
	// the target cluster to route to in the certificate
	CertExtensionTeleportRouteToCluster = "teleport-route-to-cluster"
	// CertExtensionTeleportTraits is used to propagate traits about the user.
	CertExtensionTeleportTraits = "teleport-traits"
	// CertExtensionTeleportActiveRequests is used to track which privilege
	// escalation requests were used to construct the certificate.
	CertExtensionTeleportActiveRequests = "teleport-active-requests"
)
View Source
const (
	// NetIQ is an identity provider.
	NetIQ = "netiq"
	// ADFS is Microsoft Active Directory Federation Services
	ADFS = "adfs"
)
View Source
const (
	// RemoteCommandSuccess is returned when a command has successfully executed.
	RemoteCommandSuccess = 0
	// RemoteCommandFailure is returned when a command has failed to execute and
	// we don't have another status code for it.
	RemoteCommandFailure = 255
)
View Source
const (
	// CertificateFormatOldSSH is used to make Teleport interoperate with older
	// versions of OpenSSH.
	CertificateFormatOldSSH = "oldssh"

	// CertificateFormatStandard is used for normal Teleport operation without any
	// compatibility modes.
	CertificateFormatStandard = "standard"

	// CertificateFormatUnspecified is used to check if the format was specified
	// or not.
	CertificateFormatUnspecified = ""

	// DurationNever is human friendly shortcut that is interpreted as a Duration of 0
	DurationNever = "never"
)
View Source
const (
	// TraitInternalPrefix is the role variable prefix that indicates it's for
	// local accounts.
	TraitInternalPrefix = "internal"

	// TraitLogins is the name the role variable used to store
	// allowed logins.
	TraitLogins = "logins"

	// TraitKubeGroups is the name the role variable used to store
	// allowed kubernetes groups
	TraitKubeGroups = "kubernetes_groups"

	// TraitKubeUsers is the name the role variable used to store
	// allowed kubernetes users
	TraitKubeUsers = "kubernetes_users"

	// TraitInternalLoginsVariable is the variable used to store allowed
	// logins for local accounts.
	TraitInternalLoginsVariable = "{{internal.logins}}"

	// TraitInternalKubeGroupsVariable is the variable used to store allowed
	// kubernetes groups for local accounts.
	TraitInternalKubeGroupsVariable = "{{internal.kubernetes_groups}}"
)
View Source
const (
	// GSuiteIssuerURL is issuer URL used for GSuite provider
	GSuiteIssuerURL = "https://accounts.google.com"
	// GSuiteGroupsEndpoint is gsuite API endpoint
	GSuiteGroupsEndpoint = "https://www.googleapis.com/admin/directory/v1/groups"
	// GSuiteGroupsScope is a scope to get access to admin groups API
	GSuiteGroupsScope = "https://www.googleapis.com/auth/admin.directory.group.readonly"
	// GSuiteDomainClaim is the domain name claim for GSuite
	GSuiteDomainClaim = "hd"
)
View Source
const (
	// RemoteClusterStatusOffline indicates that cluster is considered as
	// offline, since it has missed a series of heartbeats
	RemoteClusterStatusOffline = "offline"
	// RemoteClusterStatusOnline indicates that cluster is sending heartbeats
	// at expected interval
	RemoteClusterStatusOnline = "online"
)
View Source
const (
	// SharedDirMode is a mode for a directory shared with group
	SharedDirMode = 0750

	// PrivateDirMode is a mode for private directories
	PrivateDirMode = 0700
)
View Source
const (
	// SessionEvent is sent by servers to clients when an audit event occurs on
	// the session.
	SessionEvent = "x-teleport-event"

	// VersionRequest is sent by clients to server requesting the Teleport
	// version they are running.
	VersionRequest = "x-teleport-version"
)
View Source
const (
	// EnvKubeConfig is environment variable for kubeconfig
	EnvKubeConfig = "KUBECONFIG"

	// KubeConfigDir is a default directory where k8s stores its user local config
	KubeConfigDir = ".kube"

	// KubeConfigFile is a default filename where k8s stores its user local config
	KubeConfigFile = "config"

	// EnvHome is home environment variable
	EnvHome = "HOME"

	// EnvUserProfile is the home directory environment variable on Windows.
	EnvUserProfile = "USERPROFILE"

	// KubeServiceAddr is an address for kubernetes endpoint service
	KubeServiceAddr = "kubernetes.default.svc.cluster.local:443"

	// KubeCAPath is a hardcode of mounted CA inside every pod of K8s
	KubeCAPath = "/var/run/secrets/kubernetes.io/serviceaccount/ca.crt"

	// KubeKindCSR is a certificate signing requests
	KubeKindCSR = "CertificateSigningRequest"

	// KubeKindPod is a kubernetes pod
	KubeKindPod = "Pod"

	// KubeMetadataNameSelector is a selector for name metadata in API requests
	KubeMetadataNameSelector = "metadata.name"

	// KubeMetadataLabelSelector is a selector for label
	KubeMetadataLabelSelector = "metadata.label"

	// KubeRunTests turns on kubernetes tests
	KubeRunTests = "TEST_KUBE"

	// KubeSystemMasters is a name of the builtin kubernets group for master nodes
	KubeSystemMasters = "system:masters"

	// KubeSystemAuthenticated is a builtin group that allows
	// any user to access common API methods, e.g. discovery methods
	// required for initial client usage
	KubeSystemAuthenticated = "system:authenticated"

	// UsageKubeOnly specifies certificate usage metadata
	// that limits certificate to be only used for kubernetes proxying
	UsageKubeOnly = "usage:kube"
)
View Source
const (
	// UseOfClosedNetworkConnection is a special string some parts of
	// go standard lib are using that is the only way to identify some errors
	UseOfClosedNetworkConnection = "use of closed network connection"

	// NodeIsAmbiguous serves as an identifying error string indicating that
	// the proxy subsystem found multiple nodes matching the specified hostname.
	NodeIsAmbiguous = "err-node-is-ambiguous"
)
View Source
const (
	// OpenBrowserLinux is the command used to open a web browser on Linux.
	OpenBrowserLinux = "xdg-open"

	// OpenBrowserDarwin is the command used to open a web browser on macOS/Darwin.
	OpenBrowserDarwin = "open"

	// OpenBrowserWindows is the command used to open a web browser on Windows.
	OpenBrowserWindows = "rundll32.exe"
)
View Source
const (
	// EnhancedRecordingMinKernel is the minimum kernel version for the enhanced
	// recording feature.
	EnhancedRecordingMinKernel = "4.18.0"

	// EnhancedRecordingCommand is a role option that implies command events are
	// captured.
	EnhancedRecordingCommand = "command"

	// EnhancedRecordingDisk is a role option that implies disk events are captured.
	EnhancedRecordingDisk = "disk"

	// EnhancedRecordingNetwork is a role option that implies network events
	// are captured.
	EnhancedRecordingNetwork = "network"
)
View Source
const (
	// ExecSubCommand is the sub-command Teleport uses to re-exec itself for
	// command execution (exec and shells).
	ExecSubCommand = "exec"

	// ForwardSubCommand is the sub-command Teleport uses to re-exec itself
	// for port forwarding.
	ForwardSubCommand = "forward"
)
View Source
const (
	// ChanDirectTCPIP is a SSH channel of type "direct-tcpip".
	ChanDirectTCPIP = "direct-tcpip"

	// ChanSession is a SSH channel of type "session".
	ChanSession = "session"
)
View Source
const (
	// MetricGenerateRequests counts how many generate server keys requests
	// are issued over time
	MetricGenerateRequests = "auth_generate_requests_total"

	// MetricGenerateRequestsThrottled measures how many generate requests
	// are throttled
	MetricGenerateRequestsThrottled = "auth_generate_requests_throttled_total"

	// MetricGenerateRequestsCurrent measures current in-flight requests
	MetricGenerateRequestsCurrent = "auth_generate_requests"

	// MetricGenerateRequestsHistogram measures generate requests latency
	MetricGenerateRequestsHistogram = "auth_generate_seconds"

	// MetricServerInteractiveSessions measures interactive sessions in flight
	MetricServerInteractiveSessions = "server_interactive_sessions_total"

	// MetricRemoteClusters measures connected remote clusters
	MetricRemoteClusters = "remote_clusters"

	// TagCluster is a metric tag for a cluster
	TagCluster = "cluster"
)
View Source
const (
	// MetricProcessCPUSecondsTotal measures CPU seconds consumed by process
	MetricProcessCPUSecondsTotal = "process_cpu_seconds_total"
	// MetricProcessMaxFDs shows maximum amount of file descriptors allowed for the process
	MetricProcessMaxFDs = "process_max_fds"
	// MetricProcessOpenFDs shows process open file descriptors
	MetricProcessOpenFDs = "process_open_fds"
	// MetricProcessResidentMemoryBytes measures bytes consumed by process resident memory
	MetricProcessResidentMemoryBytes = "process_resident_memory_bytes"
	// MetricProcessStartTimeSeconds measures process start time
	MetricProcessStartTimeSeconds = "process_start_time_seconds"
)
View Source
const (
	// MetricGoThreads is amount of system threads used by Go runtime
	MetricGoThreads = "go_threads"

	// MetricGoGoroutines measures current number of goroutines
	MetricGoGoroutines = "go_goroutines"

	// MetricGoInfo provides information about Go runtime version
	MetricGoInfo = "go_info"

	// MetricGoAllocBytes measures allocated memory bytes
	MetricGoAllocBytes = "go_memstats_alloc_bytes"

	// MetricGoHeapAllocBytes measures heap bytes allocated by Go runtime
	MetricGoHeapAllocBytes = "go_memstats_heap_alloc_bytes"

	// MetricGoHeapObjects measures count of heap objects created by Go runtime
	MetricGoHeapObjects = "go_memstats_heap_objects"
)
View Source
const (
	// MetricBackendWatchers is a metric with backend watchers
	MetricBackendWatchers = "backend_watchers_total"

	// MetricBackendWatcherQueues is a metric with backend watcher queues sizes
	MetricBackendWatcherQueues = "backend_watcher_queues_total"

	// MetricBackendRequests measures count of backend requests
	MetricBackendRequests = "backend_requests"

	// MetricBackendReadHistogram measures histogram of backend read latencies
	MetricBackendReadHistogram = "backend_read_seconds"

	// MetricBackendWriteHistogram measures histogram of backend write latencies
	MetricBackendWriteHistogram = "backend_write_seconds"

	// MetricBackendBatchWriteHistogram measures histogram of backend batch write latencies
	MetricBackendBatchWriteHistogram = "backend_batch_write_seconds"

	// MetricBackendBatchReadHistogram measures histogram of backend batch read latencies
	MetricBackendBatchReadHistogram = "backend_batch_read_seconds"

	// MetricBackendWriteRequests measures backend write requests count
	MetricBackendWriteRequests = "backend_write_requests_total"

	// MetricBackendWriteFailedRequests measures failed backend write requests count
	MetricBackendWriteFailedRequests = "backend_write_requests_failed_total"

	// MetricBackendBatchWriteRequests measures batch backend writes count
	MetricBackendBatchWriteRequests = "backend_batch_write_requests_total"

	// MetricBackendBatchFailedWriteRequests measures failed batch backend requests count
	MetricBackendBatchFailedWriteRequests = "backend_batch_write_requests_failed_total"

	// MetricBackendReadRequests measures backend read requests count
	MetricBackendReadRequests = "backend_read_requests_total"

	// MetricBackendFailedReadRequests measures failed backend read requests count
	MetricBackendFailedReadRequests = "backend_read_requests_failed_total"

	// MetricBackendBatchReadRequests measures batch backend read requests count
	MetricBackendBatchReadRequests = "backend_batch_read_requests_total"

	// MetricBackendBatchFailedReadRequests measures failed backend batch read requests count
	MetricBackendBatchFailedReadRequests = "backend_batch_read_requests_failed_total"

	// MetricLostCommandEvents measures the number of command events that were lost
	MetricLostCommandEvents = "bpf_lost_command_events"

	// MetricLostDiskEvents measures the number of disk events that were lost.
	MetricLostDiskEvents = "bpf_lost_disk_events"

	// MetricLostNetworkEvents measures the number of network events that were lost.
	MetricLostNetworkEvents = "bpf_lost_network_events"

	// TagRange is a tag specifying backend requests
	TagRange = "range"

	// TagReq is a tag specifying backend request type
	TagReq = "req"

	// TagTrue is a tag value to mark true values
	TagTrue = "true"

	// TagFalse is a tag value to mark false values
	TagFalse = "false"
)
View Source
const APIDomain = "teleport.cluster.local"

APIDomain is a default domain name for Auth server API

View Source
const AdminRoleName = "admin"

DefaultRole is the name of the default admin role for all local users if another role is not explicitly assigned (Enterprise only).

View Source
const DefaultImplicitRole = "default-implicit-role"

DefaultImplicitRole is implicit role that gets added to all service.RoleSet objects.

View Source
const ForeverTTL time.Duration = 0

ForeverTTL means that object TTL will not expire unless deleted

View Source
const MaxEnvironmentFileLines = 1000

MaxEnvironmentFileLines is the maximum number of lines in a environment file.

View Source
const MaxResourceSize = 1000000

MaxResourceSize is the maximum size (in bytes) of a serialized resource. This limit is typically only enforced aginst resources that are likely to arbitrarily grow (e.g. PluginData).

View Source
const MinClientVersion = "3.0.0"

MinClientVersion is the minimum client version required by the server.

View Source
const RSAKeySize = 2048

RSAKeySize is the size of the RSA key.

View Source
const Root = "root"

Root is *nix system administrator account name.

View Source
const SCP = "scp"

SCP is Secure Copy.

View Source
const (
	Version = "4.2.13-dev.1"
)
View Source
const WebAPIVersion = "v1"

WebAPIVersion is a current webapi version

Variables

View Source
var Gitref string

Gitref variable is automatically set to the output of git-describe during the build process

Functions

func Component added in v1.0.0

func Component(components ...string) string

Component generates "component:subcomponent1:subcomponent2" strings used in debugging

Types

type Role added in v1.0.0

type Role string

Role identifies the role of an SSH connection. Unlike "user roles" introduced as part of RBAC in Teleport 1.4+ these are built-in roles used for different Teleport components when connecting to each other.

const (
	// RoleAuth is for teleport auth server (authority, authentication and authorization)
	RoleAuth Role = "Auth"
	// RoleWeb is for web access users
	RoleWeb Role = "Web"
	// RoleNode is a role for SSH node in the cluster
	RoleNode Role = "Node"
	// RoleProxy is a role for SSH proxy in the cluster
	RoleProxy Role = "Proxy"
	// RoleAdmin is admin role
	RoleAdmin Role = "Admin"
	// RoleProvisionToken is a role for nodes authenticated using provisioning tokens
	RoleProvisionToken Role = "ProvisionToken"
	// RoleTrustedCluster is a role needed for tokens used to add trusted clusters.
	RoleTrustedCluster Role = "Trusted_cluster"
	// RoleSignup is for first time signing up users
	RoleSignup Role = "Signup"
	// RoleNop is used for actions that already using external authz mechanisms
	// e.g. tokens or passwords
	RoleNop Role = "Nop"
	// RoleRemoteProxy is a role for remote SSH proxy in the cluster
	RoleRemoteProxy Role = "RemoteProxy"
)
const LegacyClusterTokenType Role = "Trustedcluster"

this constant exists for backwards compatibility reasons, needed to upgrade to 2.3

func (*Role) Check added in v1.0.0

func (r *Role) Check() error

Check checks if this a a valid role value, returns nil if it's ok, false otherwise

func (*Role) Set added in v1.0.0

func (r *Role) Set(v string) error

Set sets the value of the role from string, used to integrate with CLI tools

func (*Role) String added in v1.0.0

func (r *Role) String() string

String returns debug-friendly representation of this role.

type Roles added in v1.0.0

type Roles []Role

func NewRoles

func NewRoles(in []string) (Roles, error)

NewRoles return a list of roles from slice of strings

func ParseRoles added in v1.0.0

func ParseRoles(str string) (roles Roles, err error)

ParseRoles takes a comma-separated list of roles and returns a slice of roles, or an error if parsing failed

func (Roles) Check added in v1.0.0

func (roles Roles) Check() (err error)

Check returns an error if the role set is incorrect (contains unknown roles)

func (Roles) Equals added in v1.0.0

func (roles Roles) Equals(other Roles) bool

Equals compares two sets of roles

func (Roles) Include added in v1.0.0

func (roles Roles) Include(role Role) bool

Includes returns 'true' if a given list of roles includes a given role

func (Roles) String added in v1.0.0

func (roles Roles) String() string

String returns comma separated string with roles

func (Roles) StringSlice

func (roles Roles) StringSlice() []string

Slice returns roles as string slice

Directories

Path Synopsis
examples
integration package tests Teleport on a high level creating clusters of servers in memory, connecting them together and connecting to them
integration package tests Teleport on a high level creating clusters of servers in memory, connecting them together and connecting to them
lib
asciitable
Package asciitable implements a simple ASCII table formatter for printing tabular values into a text terminal.
Package asciitable implements a simple ASCII table formatter for printing tabular values into a text terminal.
auth
Package auth implements certificate signing authority and access control server Authority server is composed of several parts: * Authority server itself that implements signing and acl logic * HTTP server wrapper for authority server * HTTP client wrapper Package auth implements certificate signing authority and access control server Authority server is composed of several parts: * Authority server itself that implements signing and acl logic * HTTP server wrapper for authority server * HTTP client wrapper
Package auth implements certificate signing authority and access control server Authority server is composed of several parts: * Authority server itself that implements signing and acl logic * HTTP server wrapper for authority server * HTTP client wrapper Package auth implements certificate signing authority and access control server Authority server is composed of several parts: * Authority server itself that implements signing and acl logic * HTTP server wrapper for authority server * HTTP client wrapper
auth/test
package test contains CA authority acceptance test suite.
package test contains CA authority acceptance test suite.
backend
Package backend provides storage backend abstraction layer backend package allows for pluggable back-ends for secrets storage.
Package backend provides storage backend abstraction layer backend package allows for pluggable back-ends for secrets storage.
backend/dynamo
Package dynamodbDynamoDBBackend implements DynamoDB storage backend for Teleport auth service, similar to etcd backend.
Package dynamodbDynamoDBBackend implements DynamoDB storage backend for Teleport auth service, similar to etcd backend.
backend/etcdbk
Package etcdbk implements Etcd powered backend
Package etcdbk implements Etcd powered backend
backend/firestore
Package firestoreFirestoreBackend implements Firestore storage backend for Teleport auth service, similar to DynamoDB backend.
Package firestoreFirestoreBackend implements Firestore storage backend for Teleport auth service, similar to DynamoDB backend.
backend/lite
Package lite implements SQLite backend used for local persistent caches in proxies and nodes and for standalone auth service deployments.
Package lite implements SQLite backend used for local persistent caches in proxies and nodes and for standalone auth service deployments.
backend/memory
Package memory implements backend interface using a combination of Minheap (to store expiring items) and B-Tree for storing sorted dictionary of items.
Package memory implements backend interface using a combination of Minheap (to store expiring items) and B-Tree for storing sorted dictionary of items.
backend/test
Package test contains a backend acceptance test suite that is backend implementation independent each backend will use the suite to test itself
Package test contains a backend acceptance test suite that is backend implementation independent each backend will use the suite to test itself
bpf
cache
Package cache implements event-driven cache layer that is used by auth servers, proxies and nodes.
Package cache implements event-driven cache layer that is used by auth servers, proxies and nodes.
config
Package 'config' provides facilities for configuring Teleport daemons including - parsing YAML configuration - parsing CLI flags
Package 'config' provides facilities for configuring Teleport daemons including - parsing YAML configuration - parsing CLI flags
defaults
Package defaults contains default constants set in various parts of teleport codebase
Package defaults contains default constants set in various parts of teleport codebase
events
Package events implements the audit log interface events.IAuditLog using filesystem backend.
Package events implements the audit log interface events.IAuditLog using filesystem backend.
events/firestoreevents
Package firestoreeventsLog implements Firestore storage backend for Teleport event storage.
Package firestoreeventsLog implements Firestore storage backend for Teleport event storage.
events/gcssessions
Package gcssessionsHandler implements GCS storage for Teleport session recording persistence.
Package gcssessionsHandler implements GCS storage for Teleport session recording persistence.
httplib
Package httplib implements common utility functions for writing classic HTTP handlers Package httplib implements common utility functions for writing classic HTTP handlers
Package httplib implements common utility functions for writing classic HTTP handlers Package httplib implements common utility functions for writing classic HTTP handlers
kube
Package kube contains subpackages with utility functions and proxies to intercept and authenticate Kubernetes API traffic
Package kube contains subpackages with utility functions and proxies to intercept and authenticate Kubernetes API traffic
limiter
Package limiter implements connection and rate limiters for teleport
Package limiter implements connection and rate limiters for teleport
modules
package modules allows external packages override certain behavioral aspects of teleport
package modules allows external packages override certain behavioral aspects of teleport
multiplexer
Package multiplexer implements SSH and TLS multiplexing on the same listener mux, _ := multiplexer.New(Config{Listener: listener}) mux.SSH() // returns listener getting SSH connections mux.TLS() // returns listener getting TLS connections
Package multiplexer implements SSH and TLS multiplexing on the same listener mux, _ := multiplexer.New(Config{Listener: listener}) mux.SSH() // returns listener getting SSH connections mux.TLS() // returns listener getting TLS connections
pam
Package pam implements a subset of Pluggable Authentication Modules (PAM).
Package pam implements a subset of Pluggable Authentication Modules (PAM).
reversetunnel
Package reversetunnel sets up persistent reverse tunnel between remote site and teleport proxy, when site agents dial to teleport proxy's socket and teleport proxy can connect to any server through this tunnel.
Package reversetunnel sets up persistent reverse tunnel between remote site and teleport proxy, when site agents dial to teleport proxy's socket and teleport proxy can connect to any server through this tunnel.
reversetunnel/track
Package track provides a simple interface for tracking known proxies by endpoint/name and correctly handling expiration and exclusivity.
Package track provides a simple interface for tracking known proxies by endpoint/name and correctly handling expiration and exclusivity.
secret
Package secret implements a authenticated encryption with associated data (AEAD) cipher to be used when symmetric is required in Teleport.
Package secret implements a authenticated encryption with associated data (AEAD) cipher to be used when symmetric is required in Teleport.
service
Package service implements teleport running service, takes care of initialization, cleanup and shutdown procedures Copyright 2015 Gravitational, Inc.
Package service implements teleport running service, takes care of initialization, cleanup and shutdown procedures Copyright 2015 Gravitational, Inc.
services
Package services implements statefule services provided by teleport, like certificate authority management, user and web sessions, events and logs.
Package services implements statefule services provided by teleport, like certificate authority management, user and web sessions, events and logs.
services/local
Package local implements services interfaces using abstract key value backend provided by lib/backend, what makes it possible for teleport to run using boltdb or etcd
Package local implements services interfaces using abstract key value backend provided by lib/backend, what makes it possible for teleport to run using boltdb or etcd
session
Package session is used for bookeeping of SSH interactive sessions that happen in realtime across the teleport cluster
Package session is used for bookeeping of SSH interactive sessions that happen in realtime across the teleport cluster
srv
srv/regular
Package regular implements SSH server that supports multiplexing tunneling, SSH connections proxying and only supports Key based auth
Package regular implements SSH server that supports multiplexing tunneling, SSH connections proxying and only supports Key based auth
sshca
Package sshca specifies interfaces for SSH certificate authorities
Package sshca specifies interfaces for SSH certificate authorities
sshutils
Package sshutils contains contains the implementations of the base SSH server used throughout Teleport.
Package sshutils contains contains the implementations of the base SSH server used throughout Teleport.
sshutils/scp
Package scp handles file uploads and downloads via scp command
Package scp handles file uploads and downloads via scp command
tlsca
Package tlsca provides internal TLS certificate authority used for mutual TLS authentication with the auth server and internal teleport components and external clients
Package tlsca provides internal TLS certificate authority used for mutual TLS authentication with the auth server and internal teleport components and external clients
utils/socks
package socks implements a SOCKS5 handshake.
package socks implements a SOCKS5 handshake.
utils/workpool
Package workpool provies the `Pool` type which functions as a means of managing the number of concurrent workers, grouped by key.
Package workpool provies the `Pool` type which functions as a means of managing the number of concurrent workers, grouped by key.
web
Package web implements web proxy handler that provides web interface to view and connect to teleport nodes
Package web implements web proxy handler that provides web interface to view and connect to teleport nodes
tool
tsh

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