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Ingo edited this page Nov 2, 2026 · 70 revisions

YAF.NET Documentation

YetAnotherForum.NET (YAF.NET) is an open source discussion forum for ASP.NET Core: about YAF.NET and its features.

This documentation is for YAF.NET v4 (.NET 10). Pages for older versions are in the legacy section at the end.

Getting started

Choose how you want to run the forum:

Hosting Guide
Docker (all platforms) Running YAF.NET with Docker - the quickest way to start
Windows with IIS Installation of YAF.NET v4
Linux with nginx Hosting on Linux with nginx
Inside your own ASP.NET Core application Integration into an existing ASP.NET Core application

Upgrading from YAF.NET 3.x or older? See Upgrade to YAF.NET v4.

Configuration

  • BoardConfiguration Settings (appsettings.json)
  • Reverse proxy and Cloudflare
  • Push notifications

Administration

  • Set up a private forum (admin has to approve new users)
  • Protect YAF.NET against spam bots
  • Change the board logo
  • Create a new theme or modify an existing one

Troubleshooting

  • Troubleshooting - logs, IIS errors and common problems
  • Community support

Development

  • Build with the command line
  • Build with Visual Studio

Legacy: YAF.NET v3 and older

YAF.NET v3 (.NET Framework 4.8.1) is maintained in the netfx branch.

  • Installation of YAF.NET v3
  • Upgrade an existing installation to v3.2.x
  • Integrate YAF.NET v3 into an existing ASP.NET application
  • Build YAF.NET v3 with the command line
  • Migrate a v3 database from SQL Server to SQLite
  • web.config changes from v2.30.16 to v3.2.14
  • Upgrade from version 1.9.1.8 (or earlier) to v2.31.16

YetAnotherForum.NET (YAF) the Open Source Discussion Forum for ASP.NET - https://YetAnotherForum.NET

Copyright © YetAnotherForum.NET & Ingo Herbote. All rights reserved

YAF.NET Documentation

Getting started

  • About YAF.NET
  • Features
  • Docker
  • Installation (IIS)
  • Hosting on Linux with nginx
  • Integration (ASP.NET Core)
  • Upgrade to v4

Configuration

  • BoardConfiguration Settings
  • Reverse proxy and Cloudflare
  • Push notifications

Administration

  • Private forum
  • Spam protection
  • Change the board logo
  • Themes

Help

  • Troubleshooting
  • Support

Development

  • Build with command line
  • Build with Visual Studio

Legacy (v3 and older)

  • Installation v3
  • Upgrade to v3.2.x
  • Integration v3 (ASP.NET)
  • Build v3
  • Migrate SQL Server to SQLite
  • web.config changes v2 to v3
  • Upgrade from 1.9.1.8

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