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10.4: Spoof old PowerPC Firefox with Universal version Web Browsers
Tiger only hintThe official Universal build of Firefox was released in mid-April. You have to get it explicitly -- Firefox's "Check for Updates" feature will only find updates for the PowerPC version.

I've found that some sites don't like the word Intel in the useragent string. In my case, address completion in Yahoo! Mail wouldn't work. Here's a quick workaround: FinD your current useragent string by visiting this page. Scroll down, then highlight and copy the text in the box below the words This is your browser useragent string. Mine looked like this (broken onto two lines for display purposes):
Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.0.2)
 Gecko/20060328 Firefox/1.5.0.2
Now type about:config in Firefox's location bar. Control-click in the browser window, and select New -> String from the pop-up menu. For the preference name, type this:
general.useragent.override
For the string value, paste in the text you copied above, then change the Intel to PPC.

That's it! You can visit and refresh the above page to see if it changed. At some future date, you can reset this config entry, or change the PPC back to Intel to test if your favorite sites have become more well-behaved.
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10.4: Spoof old PowerPC Firefox with Universal version | 13 comments | Create New Account
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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: avion on Apr 19, '06 09:21:34AM

Or install the user agent switcher from https://addons.mozilla.org/firefox/59/ and save yourself all the editing and clearing.



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: knutsen on Apr 19, '06 10:51:45AM

Yeah, I should have at least mentioned that. Thanks!

I tried User Agent Switcher but found it involved more typing rather than less, because it doesn't let you duplicate the default entry. You have to create a new entry then go back & forth to copy & paste each of the fields in turn. At least, for thoroughness you have to. Perhaps only the "User Agent" field is required?



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: innate on Apr 19, '06 10:05:05AM

Sigh. When will web site designers learn to stop browser sniffing? Firefox has a "Report Broken Web Site" option under the help menu that you should use.



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: Cameroon on Apr 19, '06 10:51:15AM

I would imagine it'll be about the time that the browsers render the content in the same manner (i.e. not broken according to the standards; or breaking a poor standard in the same way) and the standards bodies explicitly define all parts of their standards, rather than leaving some vague or agent-defined.



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: vykor on Apr 19, '06 11:42:19AM

When all browsers become 100 percent standards-compliant. Or rather, when IE becomes standards-compliant. Which implies when pigs fly :-)

Browser detection is all but critical nowadays especially in modern web applications. The realistic solution should be developing more intelligent techniques for this detection, rather than a regex that sifts for keywords.



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: avion on Apr 19, '06 11:46:30AM

But it does help a lot since you can create multiple entries and switch between them with a click.

To help in creating a new entry you can edit an existing one and copy/paste all fields into a text document and then copy/paste from this document to the new entry. But remember, you do it only once since it will be remembered by the plugin.



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: bradleyd1971 on Apr 19, '06 05:03:30PM

I think you might have other problems that this is working around. I have had no problems using Yahoo! mail's address auto completion on any browser or machine (I have both a PPC mac and an MBP that I use).



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: knutsen on Apr 19, '06 05:49:32PM

Try changing the "PPC" in your browser's useragent string to "Intel" and see how well it works for you ;-)



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: samual.icky on Apr 19, '06 07:31:44PM

Errr... he has an IBMC --> Mac Book Pro... which DOES have the Intel in the userstring... he HAS ZERO problems.

I have an Intel based Mac as well, and I've been using Firefox since, well, before any official Firefox builds for OS X and I've never had any issues with Yahoo Mail nor any issues that I could even come close to tracking back to Intel in the userstring. Most problems where browser based, like broken SVG implementation (since fixed), broken flash plug-ins (worked around until Adobe fixes), no Java support (JEP has since been updated).



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: kray on Apr 19, '06 07:57:16PM

I have to agree with the parent on this one -- there are probably other underlying problems causing issues.

For example -- I have been running my user agent string for a LONG LONG time (before the big Intel announcement :)

"Google-Browser/0.99 (OS/X-Leopard_Intel; 64-bit)"

This is regardless of browser I use (Safari or Firefox)...



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: knutsen on Apr 20, '06 06:01:51AM

I just followed my own advice to confirm the hint. I changed "PPC" back to "Intel" in useragent, and Yahoo! Mail doesn't offer to autocomplete addresses. Changed it to "PPC" and autocomplete works. All this in a running browser, no other system changes.

At least in this specific case, a site is being too strict about how it interprets useragent, and doesn't serve the same Javascript each time.



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: knutsen on May 02, '06 03:04:52PM

Update: a new version of Firefox is now out (1.5.0.3), but Yahoo! Mail still gives me trouble unless I tweak the useragent string as detailed above.



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10.4: Spoof old PowerPC Firefox with Universal version
Authored by: knutsen on Jul 28, '06 08:53:40PM

Update: A spot check today (7/28/2006) reveals that Yahoo! Mail finally treats the "Intel" useragent the same as the "PPC" one, so I no longer need to spoof anything.



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