Thay đổi agent mặc định của Firefox

1. Open " C:\Documents and Settings\username\Application Data\Mozilla\Firefox\Profiles\3vfugy1g.default\prefs.js "
2. Add the following line

Code:

user_pref(“general.useragent.override”, “Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)“);

3. save and close prefs.js.
4. restart your Firefox browser