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# What's new in Tornado 1.1.1
### Feb 8, 2011
~~~
Tornado 1.1.1 is a BACKWARDS-INCOMPATIBLE security update that fixes an
XSRF vulnerability. It is available at
https://github.com/downloads/facebook/tornado/tornado-1.1.1.tar.gz
This is a backwards-incompatible change. Applications that previously
relied on a blanket exception for XMLHTTPRequest may need to be modified
to explicitly include the XSRF token when making ajax requests.
The tornado chat demo application demonstrates one way of adding this
token (specifically the function postJSON in demos/chat/static/chat.js).
More information about this change and its justification can be found at
http://www.djangoproject.com/weblog/2011/feb/08/security/
http://weblog.rubyonrails.org/2011/2/8/csrf-protection-bypass-in-ruby-on-rails
~~~
? Copyright 2009-2016, The Tornado Authors. Created using [Sphinx](http://sphinx-doc.org/) 1.3.5.
- User's guide
- Introduction
- Asynchronous and non-Blocking I/O
- Coroutines
- Queue example - a concurrent web spider
- Structure of a Tornado web application
- Templates and UI
- Authentication and security
- Running and deploying
- Web framework
- tornado.web — RequestHandler and Application classes
- tornado.template — Flexible output generation
- tornado.escape — Escaping and string manipulation
- tornado.locale — Internationalization support
- tornado.websocket — Bidirectional communication to the browser
- HTTP servers and clients
- tornado.httpserver — Non-blocking HTTP server
- tornado.httpclient — Asynchronous HTTP client
- tornado.httputil — Manipulate HTTP headers and URLs
- tornado.http1connection – HTTP/1.x client/server implementation
- Asynchronous networking
- tornado.ioloop — Main event loop
- tornado.iostream — Convenient wrappers for non-blocking sockets
- tornado.netutil — Miscellaneous network utilities
- tornado.tcpclient — IOStream connection factory
- tornado.tcpserver — Basic IOStream-based TCP server
- Coroutines and concurrency
- tornado.gen — Simplify asynchronous code
- tornado.concurrent — Work with threads and futures
- tornado.locks – Synchronization primitives
- tornado.queues – Queues for coroutines
- tornado.process — Utilities for multiple processes
- Integration with other services
- tornado.auth — Third-party login with OpenID and OAuth
- tornado.wsgi — Interoperability with other Python frameworks and servers
- tornado.platform.asyncio — Bridge between asyncio and Tornado
- tornado.platform.caresresolver — Asynchronous DNS Resolver using C-Ares
- tornado.platform.twisted — Bridges between Twisted and Tornado
- Utilities
- tornado.autoreload — Automatically detect code changes in development
- tornado.log — Logging support
- tornado.options — Command-line parsing
- tornado.stack_context — Exception handling across asynchronous callbacks
- tornado.testing — Unit testing support for asynchronous code
- tornado.util — General-purpose utilities
- Frequently Asked Questions
- Release notes
- What's new in Tornado 4.3
- What's new in Tornado 4.2.1
- What's new in Tornado 4.2
- What's new in Tornado 4.1
- What's new in Tornado 4.0.2
- What's new in Tornado 4.0.1
- What's new in Tornado 4.0
- What's new in Tornado 3.2.2
- What's new in Tornado 3.2.1
- What's new in Tornado 3.2
- What's new in Tornado 3.1.1
- What's new in Tornado 3.1
- What's new in Tornado 3.0.2
- What's new in Tornado 3.0.1
- What's new in Tornado 3.0
- What's new in Tornado 2.4.1
- What's new in Tornado 2.4
- What's new in Tornado 2.3
- What's new in Tornado 2.2.1
- What's new in Tornado 2.2
- What's new in Tornado 2.1.1
- What's new in Tornado 2.1
- What's new in Tornado 2.0
- What's new in Tornado 1.2.1
- What's new in Tornado 1.2
- What's new in Tornado 1.1.1
- What's new in Tornado 1.1
- What's new in Tornado 1.0.1
- What's new in Tornado 1.0