Teleport Learn

Teleport Learn contains tutorials, how-tos and a glossary for all things infrastructure access.

Infrastructure Access 101

The basics of Infrastructure Access.

Connectivity

What is TCP/IP protocol suite?

TCP/IP, also known as Internet Protocol Suite, is a collection of networking protocols that works together to transfer a data packet from one computer to another using computer networks.

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Comparing TCP/IP and OSI Model

TCP/IP and OSI model serves a similar purpose - to map all the bits and pieces involved in networked communication. While OSI is the recommended standard, the internet was designed around the TCP/IP model.

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How IPv4 and IPv6 works

IPv4 is a 32 bit network address scheme widely used on the internet. IPv6 is a 128 bit network address scheme designed to replace IPv4.

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What is a VPN (Virtual Private Network)?

A VPN, or Virtual Private Network, is a tool that allows you to create a secure and private connection between your device and the public internet. A VPN connection will encrypt your internet traffic and route it through a remote server, keeping your activity hidden from hackers, ISPs, and any third-party with malicious intent.

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Authentication

What is FIDO (Fast IDentity Online)?

FIDO, or Fast IDentity Online, is a group of open standard authentication protocols created to strengthen and simplify the security of online authentication by reducing the reliance on passwords.

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What is U2F (Universal 2nd Factor)?

U2F (Universal 2nd Factor) is a universal authentication standard that provides an additional layer of security for online accounts.

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What is WebAuthn?

WebAuthn is a web standard for secure, passwordless authentication allowing web servers to authenticate users with asymmetric cryptography instead of passwords.

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What is OIDC (Open ID Connect)?

OIDC, or OpenID Connect, is an authentication layer built on top of the authorization protocol OAuth 2.0 and provides a standardized way for users to authenticate themselves to web applications.

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What Is SAML (Security Assertion Markup Language)?

Security Assertion Markup Language (SAML) is an XML-based open standard for exchanging authentication and authorization data between parties, and in particular, between an identity provider (IdP) and a service provider (SP). The Identity Provider will verify the identity of the user, verifying they are who they say they are.

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The Failures of Shared Secrets and How We Can Replace Them

User authentication is a crucial component of securing any system. Access to sensitive infrastructure resources such as servers, databases and applications must be restricted to authorized users only.

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Authorization

What is RBAC?

RBAC stands for Role-Based Access Control. It is a method of regulating access to servers, computers or network resources based on the roles of individual users within an organization.

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What is ABAC?

Attribute-Based Access Control (ABAC) is a method of regulating access to resources based on the attributes of both the resource and the user requesting access.

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What is MAC (Mandatory Access Control)?

Mandatory Access Control (MAC) is a type of access control that imposes a predefined set of security rules, or labels, to control which users or systems can access specific resources.

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