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- The Internet Explorer 8 User-Agent String (Updated Edition)Today
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As announced in February 2008, Internet Explorer 8 sends an updated user-agent string when interacting with web servers. Since we last blogged about the User-Agent string, the Internet Explorer team introduced Compatibility View and today, the Windows team is releasing the Windows 7 Beta. Each of these events has a small impact on the User-Agent string, as I will outline in this post.
The Trident/4.0 User-Agent String
In order to help users visit sites that block the “MSIE 8.0” user-agent string, IE8 will send the “MSIE 7.0” version information when viewing sites with Compatibility View enabled. As Scott described last August, a new “Trident” token in the User-Agent string allows your code to detect Internet Explorer 8 clients even when they are using the Compatibility View feature.
IE8 on Windows Vista (Compatibility View)
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Trident/4.0)
IE8 on Windows Vista
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)
As noted in the
- IE8 Blocker Toolkit Available Today!January 7
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We believe IE8 helps make browsing the web faster, easier, safer and more reliable. To help our users be more secure and up-to-date, we will distribute IE8 via Automatic Update (AU) and the Windows Update (WU) and Microsoft Update (MU) sites much like we did for IE7. We know that in a corporate environment, the IT organization will often want to delay the introduction of a new browser until they have tested compatibility with internal applications and sites. We’ve done a lot of work in IE8 to maintain compatibility with sites designed for Internet Explorer 7, for example compatibility view and the compatibility meta tag. However we know many IT organizations will still want to test the browser before it is deployed. To help prevent users from installing IE8 through Automatic Update before compatibility testing has been completed, we are providing the IE8 Blocker Toolkit. This toolkit has no expiration date and can be configured either by running the registry file on the client machines or via Group Policy in domain joined environments. The Blocker Toolkit is available today from the
- Happy New Year!December 31 2008
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Cheers!
The IE Team - IE Team Chat ScheduleDecember 29 2008
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After a great turnout this year, we are continuing our monthly online Expert Zone chats with the IE Team in 2009. Here is our schedule for the first half of next year:
January 22nd
February 19th
March 19th
April 23rd
May 21st
June 18th
All our chats start at 10.00 PST/18.00 UTC. These chats are a great opportunity to have your questions answered and hear from members of the IE product team. In case you miss the chat, a transcript will be published afterward and available online. Previous chat transcripts can be found here.
See you in the new year!
Allison Burnett
Program Manager - IE December Out-of-Band releaseDecember 17 2008
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Internet Explorer is releasing an out-of-band update available via Windows Update. Alternatively, you can receive this and all other Microsoft updates via the new Microsoft Update. I encourage you to upgrade to Microsoft Update if you haven’t already to ensure that you receive the latest updates for all Microsoft products.
This update addresses one remote code execution vulnerability. The security update addresses the vulnerability by modifying the way Internet Explorer validates data binding parameters and handles the error resulting in the exploitable condition. For detailed information on the contents of this update, please see the following documentation:
This security update is rated Critical for all released versions of Internet Explorer.
I encourage everybody to download this security update and other non-IE security updates via Windows Update or Microsoft Update. Windows users are also strongly encouraged to configure their systems for automatic updates to keep their systems current with the latest updates from Microsoft.
Terry McCoy
Program Manager
Internet Explorer Security