# Web administration There are three primary ways of managing Halon Engage & Protect; the web administration, API ([Protocol Buffer](https://docs.halon.io/protobuf-schemas/)) or [CLI](https://docs.halon.io/manual/cli.html). This manual is a guide for the web administration. ## Table of contents * [Installation](install.html.md) * [Distributions](install.html.md#distributions) * [Ubuntu](install.html.md#ubuntu) * [RHEL](install.html.md#rhel) * [Startup](install.html.md#startup) * [Upgrade](upgrade.html.md) * [Configuration](config.html.md) * [Listener directives](config.html.md#listener-directives) * [Host directives](config.html.md#host-directives) * [Group directives](config.html.md#group-directives) * [User directives](config.html.md#user-directives) * [OIDC directives](config.html.md#oidc-directives) * [MCP directives](config.html.md#mcp-directives) * [Database directives](config.html.md#database-directives) * [Elasticsearch directives](config.html.md#elasticsearch-directives) * [Other directives](config.html.md#other-directives) * [Environment directives](config.html.md#environment-directives) * [History logging](history.html.md) * [Install Elasticsearch](history.html.md#install-elasticsearch) * [Import an index template](history.html.md#import-an-index-template) * [Delivery attempts](history.html.md#delivery-attempts) * [Transactions](history.html.md#transactions) * [Add configuration](history.html.md#add-configuration) * [History datamasking](history.html.md#history-datamasking) * [Start sending data](history.html.md#start-sending-data) * [Tips on usage](tips.html.md) * [Saving views persistently](tips.html.md#saving-views-persistently) * [Sharing views with other users](tips.html.md#sharing-views-with-other-users) * [Display of hostnames](tips.html.md#display-of-hostnames) * [!Env - using environment variables](tips.html.md#env-using-environment-variables) * [Changelog](changelog.html.md)