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muzuiget / user_agent_overrider

Firefox extension to override browser user agent string
https://addons.mozilla.org/firefox/addon/user-agent-overrider/
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Ixquick and startpage (REAL issue!) #7

Closed anonymousdon closed 10 years ago

anonymousdon commented 10 years ago

Please read the WHOLE text before declaring this issue invalid [previous version (0.2.1) worked PERFECTLY]. Version 0.2.2, when active, is seen as returning an EMPTY STRING as the user-agent by the ixquick.com and startpage.com search engines - something changed between version 0.2.1 and version 0.2.2 to make this happen. This is what Ixquick says:

"When searching from the search pages search bar ixquick (and startpage) says this:

If you're reading this and you are human, we apologize. Ixquick has automated mechanisms in place to prevent abuse by bots, spammers, and so forth, and occasionally we misidentify legitimate users. We're working hard to improve our countermeasures so that visitors such as yourself won't face an interruption like this again.

Please try the following steps:

Reload Ixquick and try your search again.
If using a browser extension that masks your default user-agent, adjust your user-agent string to any value other than an empty string.

If you have questions or feedback, or the above steps didn't resolve the issue, please contact us directly at support @ ixquick.com and we'll do our best to help.

Thanks for choosing to be an Ixquick user."

muzuiget commented 10 years ago

I can't reproduce your problem. Actually UAO don't support change the User-Agent to empty string in v0.2.2.

What you Firefox version is? What the value of general.useragent.override in about:config ? Can you use Firefox built-in DevTool's Network Panel to check what the User-Agent really send?

anonymousdon commented 10 years ago

Running Firefox 26.0. In version 0.2.2 of the extension the "about:config" entry for "general.useragent.override" is always empty no matter what override option you choose. (Version 0.2.1 works perfectly).

muzuiget commented 10 years ago

Can you test again with a new Firefox profile? Maybe other extension change it again after UAO's change.

anonymousdon commented 10 years ago

There is a conflict with the extension "Preferences Monitor" that automatically reverses any change involving a "config:about" preference named "general.useragent.(keyword)". This can be fixed by removing that option in the preferences of the "Preferences Monitor" extension. Thank you for your help.