Documentation
How to install and configure Letakof: subscriptions, settings, HTTP headers and the device identifier (HWID).
Getting started
IntroductionWhat Letakof is, what you need to use it and which platforms and subscription format it supports.InstallationInstall Letakof on Windows, macOS, Android and Android TV.First connectionAdd a subscription, choose a server and connect on Windows, macOS, Android and Android TV.Importing configurationsWays to add a subscription or a profile to Letakof and what is supported.
Configuration
Managing profilesProxy groups, choosing servers, latency tests, the Mode menu, custom rules and the full configuration.Subscription managementThe subscription card, updates, provider links and deleting a subscription.Operating modesSystem proxy, TUN and local proxy on Windows and macOS, the VPN service on Android, and the Mode menu.
Settings
General settingsSubscription and HWID options, appearance, language, updates and the tray or menu bar icon.Network settingsOperating modes, kill switch, IPv6, DNS, the proxy for network devices, latency test, GEO databases and Android-only network options.Advanced settingsTLS fingerprint, MTU, domain detection, parallel TCP connections, keep-alive, core log level and the full configuration view.iPhone settingsWhat is specific to Letakof on iPhone: system protection, auto-connect, appearance, language and updates.
Modules
Modules overviewWhat modules are, where they work, how to add and manage them, and what to know before you enable one.Module structureThe layout of a module file: manifest fields, parameters, domain rules, HTTP rules and actions, and scripts.Certificate and MITMWhen a module needs the local certificate, how it is created and installed, what is decrypted and what is not, and how to remove it.
HTTP headers
Additional headersThe letakof-* response headers a provider can add to restrict settings, Whitelist mode and the full configuration view.HTTP headers overviewWhich requests Letakof makes and where they go.Available headersThe HTTP headers Letakof sends with a subscription request and reads from the response.Device identifier (HWID)What the hashed device identifier is, how Letakof builds it, where it is sent, what changes it and how to turn it off.