README.md · chenhailong118/NodeBB

# <img alt="NodeBB" src="http://i.imgur.com/mYxPPtB.png" />

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[**NodeBB Forum Software**](https://nodebb.org) is powered by Node.js and built on either a Redis or MongoDB database. It utilizes web sockets for instant interactions and real-time notifications. NodeBB has many modern features out of the box such as social network integration and streaming discussions, while still making sure to be compatible with older browsers.

Additional functionality is enabled through the use of third-party plugins.

* [Get NodeBB](http://www.nodebb.org/ "NodeBB")
* [Demo & Meta Discussion](http://community.nodebb.org)
* [Documentation & Installation Instructions](http://docs.nodebb.org)
* [Help translate NodeBB](https://www.transifex.com/projects/p/nodebb/)
* [NodeBB Blog](http://blog.nodebb.org)
* [Join us on IRC](https://kiwiirc.com/client/irc.freenode.net/nodebb) - #nodebb on Freenode
* [Follow us on Twitter](http://www.twitter.com/NodeBB/ "NodeBB Twitter")
* [Like us on Facebook](http://www.facebook.com/NodeBB/ "NodeBB Facebook")

## Screenshots

[![](http://i.imgur.com/VCoOFyqb.png)](http://i.imgur.com/VCoOFyq.png)
[![](http://i.imgur.com/FLOUuIqb.png)](http://i.imgur.com/FLOUuIq.png)
[![](http://i.imgur.com/Ud1LrfIb.png)](http://i.imgur.com/Ud1LrfI.png)
[![](http://i.imgur.com/h6yZ66sb.png)](http://i.imgur.com/h6yZ66s.png)
[![](http://i.imgur.com/o90kVPib.png)](http://i.imgur.com/o90kVPi.png)
[![](http://i.imgur.com/AaRRrU2b.png)](http://i.imgur.com/AaRRrU2.png)
[![](http://i.imgur.com/LmHtPhob.png)](http://i.imgur.com/LmHtPho.png)
[![](http://i.imgur.com/paiJPJkb.jpg)](http://i.imgur.com/paiJPJk.jpg)

[![](http://i.imgur.com/8OLssij.png)](http://i.imgur.com/8OLssij.png)
[![](http://i.imgur.com/JKOc0LZ.png)](http://i.imgur.com/JKOc0LZ.png)

## How can I follow along/contribute?

* Our feature roadmap is hosted on the project wiki's [Version History / Roadmap](https://github.com/NodeBB/NodeBB/wiki/Version-History-%26-Roadmap)
* If you are a developer, feel free to check out the source and submit pull requests. We also have a wide array of [plugins](http://community.nodebb.org/category/7/nodebb-plugins) which would be a great starting point for learning the codebase.
* If you are a designer, [NodeBB needs themes](http://community.nodebb.org/category/10/nodebb-themes)! NodeBB's theming system allows extention of the base templates as well as styling via LESS or CSS. NodeBB's base theme utilizes [Bootstrap 3](http://getbootstrap.com/) but themes can choose to use a different framework altogether.
* If you know languages other than English you can help us translate NodeBB. We use [Transifex](https://www.transifex.com/projects/p/nodebb/) for internationalization.
* Please don't forget to **like**, **follow**, and **star our repo**! Join our growing [community](http://community.nodebb.org) to keep up to date with the latest NodeBB development.

## Requirements

NodeBB requires the following software to be installed:

* A version of Node.js at least 0.10 or greater
* Redis, version 2.8.9 or greater **or** MongoDB, version 2.6 or greater
* nginx, version 1.3.13 or greater (**only if** intending to use nginx to proxy requests to a NodeBB)

## Installation

[Please refer to platform-specific installation documentation](http://docs.nodebb.org/en/latest/installing/os.html)

## Securing NodeBB

It is important to ensure that your NodeBB and database servers are secured. Bear these points in mind:

1. While some distributions set up Redis with a more restrictive configuration, Redis by default listens to all interfaces, which is especially dangerous when a server is open to the public. Some suggestions:
    * Set `bind_address` to `127.0.0.1` so as to restrict access  to the local machine only
    * Use `requirepass` to secure Redis behind a password (preferably a long one)
    * Familiarise yourself with [Redis Security](http://redis.io/topics/security)
2. Use `iptables` to secure your server from unintended open ports. In Ubuntu, `ufw` provides a friendlier interface to working with `iptables`.
    * e.g. If your NodeBB is proxied, no ports should be open except 80 (and possibly 22, for SSH access)

## Upgrading NodeBB

Detailed upgrade instructions are listed in [Upgrading NodeBB](https://docs.nodebb.org/en/latest/upgrading/index.html)

## License

NodeBB is licensed under the **GNU General Public License v3 (GPL-3)** (http://www.gnu.org/copyleft/gpl.html).

Interested in a sublicense agreement for use of NodeBB in a non-free/restrictive environment? Contact us at sales@nodebb.org.

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