Update requirements. Note WS added to libvncserver.
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README.md
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README.md
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@ -38,10 +38,8 @@ See more screenshots <a href="http://kanaka.github.com/noVNC/screenshots.html">h
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a WebSockets emulator using Adobe Flash. iOS 4.2+ has built-in
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WebSocket support.
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* Fast Javascript Engine: noVNC avoids using new Javascript
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functionality so it will run on older browsers, but decode and
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rendering happen in Javascript, so a slow Javascript engine will
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mean noVNC is painfully slow.
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* Fast Javascript Engine: this is not strictly a requirement, but
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without a fast Javascript engine, noVNC might be painfully slow.
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* I maintain a more detailed browser compatibility list <a
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href="https://github.com/kanaka/noVNC/wiki/Browser-support">here</a>.
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@ -50,23 +48,12 @@ See more screenshots <a href="http://kanaka.github.com/noVNC/screenshots.html">h
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### Server Requirements
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Unless you are using a VNC server with support for WebSockets
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connections (only my [fork of libvncserver](http://github.com/kanaka/libvncserver)
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currently), you need to use a WebSockets to TCP socket proxy. There is
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connections (such as [x11vnc/libvncserver](http://libvncserver.sourceforge.net/)),
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you need to use a WebSockets to TCP socket proxy. There is
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a python proxy included ('websockify'). One advantage of using the
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proxy is that it has builtin support for SSL/TLS encryption (i.e.
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"wss://").
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There a few reasons why a proxy is required:
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1. WebSockets is not a pure socket protocol. There is an initial HTTP
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like handshake to allow easy hand-off by web servers and allow
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some origin policy exchange. Also, each WebSockets frame begins
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with 0 ('\x00') and ends with 255 ('\xff').
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2. Javascript itself does not have the ability to handle pure byte
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arrays. The python proxy encodes the data as base64 so that the
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Javascript client can decode the data as an integer array.
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### Quick Start
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