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Browser Security Settings for AJAX Enabled ASP.NET Pages
AJAX functionality in ASP.NET is compatible with most modern browsers. It runs with the default security settings for these browsers.
Users can view your AJAX-enabled ASP.NET sites by using most modern browsers. The following lists show compatible browser versions and operating systems.
Microsoft Internet Explorer 6.0 or later versions.
Mozilla Firefox version 1.5 or later versions.
Opera version 9.0 or later versions.
Apple Safari version 2.0 or later versions.
Supported Operating Systems
Microsoft Windows XP with Service Pack 2 installed.
Apple OSX (Intel architecture only).
The following table lists required browser security and privacy settings for both user browsing and site development. In all cases, the recommended settings are the default settings for that browser.
Internet Explorer 6
Make sure that the Internet Zone in the Security Zones settings is set to Medium.
Internet Explorer 7
Make sure that the Internet Zone in the Security Zones settings is set to Medium-High.
FireFox 1.5 or later versions
Opera 9.0 or later versions
Safari 2.0.4 or later versions