WebSockets Disconnected for Firefox 4

by Dylan SchiemannDecember 7th, 2010

Per the disable and/or remove WebSockets for gecko 2.0 due to security problems discussion on Bugzilla, and the discussion around security of WebSockets, Firefox 4 is disabling WebSockets by default. A user may enable them via a preference, but they will not be enabled in a final release until the protocol is updated to use a more secure CONNECT-based handshake.

It’s a serious security issue with WebSockets and proxies, so expect a change in the protocol asap to fix this. Unfortunately, this will not happen in time for the release date of Firefox 4.

5 Responses to “WebSockets Disconnected for Firefox 4”

  1. Comet Daily » Blog Archive » State of WebSocket Support Says:

    [...] Firefox 4 beta (Firefox 4 WebSockets will be disabled by default) [...]

  2. Steven Roussey Says:

    I think Opera is disabling as well, and RIM is holding off on enabling it.

  3. DylanSchiemann Says:

    Chris Blizzard from mozilla has additional details today: http://www.0xdeadbeef.com/weblog/2010/12/disabling-websockets-for-firefox-4/

    @Steven, I thought it was already enabled in BB6?

  4. Many Comet Solutions for your Real-time Apps | SitePen Blog Says:

    [...] arrival of WebSockets in WebKit-based browsers, and expected in Firefox 4.x and Internet Explorer 9 once the next WebSockets specification draft is completed, and with Comet techniques used by many of the world’s most popular sites, Comet has arrived [...]

  5. Comet Daily » Blog Archive » CometD 2.1 Released! Says:

    [...] WebSocket transport has been disabled by default on the client-side until the specification is refined and implemented to address the current proxy [...]


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