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On 2009-12-28T14:28:29+00:00 Pichlik wrote:

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; cs; rv:1.9.1.6) 
Gecko/20091201 Firefox/3.5.6
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; cs; rv:1.9.1.6) 
Gecko/20091201 Firefox/3.5.6

The problem occur when searching for a *single word* using the location
bar and the proxy settings are "Manual proxy configuration". Firefox
doesn't perform a fulltext search, but redirects directly to
http://<entered word>.


Reproducible: Always

Steps to Reproduce:
1. Install a proxy server e.g. to localhost:8080
2. Change Firefox proxy settings to Manual proxy configuration and enter HTTP 
proxy: localhost and port:8080
3. Enter a single word into the location bar and hit enter
Actual Results:  
Firefox doesn't perform a fulltext search, but redirects directly to 
http://<entered word>.

Expected Results:  
Fulltext search for entered word.

When multiple words is entered search works fine. The exactly same
problem has been descibed here
https://launchpad.net/ubuntu/+source/firefox-3.5/+bug/84242

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/7

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On 2010-10-14T17:51:32+00:00 Ian Roberts wrote:

Also getting this problem with Mac OS X on my Macbook.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/12

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On 2010-10-14T18:33:42+00:00 Ian Roberts wrote:

And also Firefox 4 Beta. Sorry bit new not sure if I can update this
page or how to do so. Still finding my way around.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/13

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On 2011-10-25T12:15:30+00:00 Ineluki wrote:

Confirmed as recently as 8.0beta3 and 7.0.1 release. Fully reproducible
with the steps mentioned above.

Tested in Windows XP, but as far as I know, this is architecture
independent, and has to do with the way Firefox works when you use a
single word in the URL bar, i.e.: word

- Firefox will try to download it the http://word URL:

GET / HTTP/1.1
Host: word

- if it doesn't work (e.g. it won't resolve to a local hostname or an IP
address), it will result in a search.

Problem: when there's a proxy, the proxy answers the query with an error
page. Instead of the 504 error page (gateway timeout), it uses a 403
error (forbidden). Since that is a final error, Firefox no longer tries,
and search is never invoked.

e.g. full interchange (with nonrelevant headers edited out)

GET http://word/ HTTP/1.1
Host: word
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
DNT: 1
Proxy-Connection: keep-alive
Cache-Control: max-age=0

HTTP/1.1 403 Forbidden
Content-Length: 456
<html><head><title>504 DNS look up failed</title></head><body><font 
size=2><table width="100%"><tr><td bgcolor=#3300cc align="center" 
colspan=2><font color=#ffffff><b>504 DNS look up 
failed</b></font></td></tr></table><br><br>The webserver for http://word 
reported that an error occurred while trying to access the website.  Please 
click <u><a href="javascript:history.back()">here</a></u> to return to the 
previous page.<br><br><hr></font></body></html>

i.e. even if the proxy's error page says it's a 504 error, the actual
error code returned is 403 ("Forbidden"), so Firefox does the right
thing and doesn't do anything else.

It's the proxy's fault, but it's still very annoying and I wonder if
there could be a way for Firefox to handle this more gracefully.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/14

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On 2013-05-06T17:28:51+00:00 Joehakimrahme wrote:

I get the same problem with Firefox 20.0 on Mac OS X 10.8.3.
Any chance someone's working on it?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/15

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On 2013-06-28T22:41:57+00:00 Shane wrote:

Still occurring with Firefox 22.0. Anyone?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/16

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On 2013-07-13T04:23:12+00:00 Aman Shah wrote:

Yep still occurs with me

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/17

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On 2013-08-07T14:06:40+00:00 A7106623 wrote:

(In reply to Shane Killian from comment #5)
> Still occurring with Firefox 22.0. Anyone?

Yes and pretty annoying.

Android -> Firefox 22 -> Proxy Mobile 0.0.10 (FF Add-on) -> Tor-Proxy
(Orbot App)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/18

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On 2013-08-12T11:50:45+00:00 Alexandra-lucinet wrote:

*** Bug 625360 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/19

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On 2013-08-12T12:02:37+00:00 Alexandra-lucinet wrote:

Mozilla/5.0 (X11; Linux i686; rv:26.0) Gecko/20100101 Firefox/26.0

Reproducible with latest Nightly (Build ID: 20130811030225) when using a
proxy server.

Here is what I get in the error console:

Request URL:    http://test/
Request Method: GET
Status Code:    HTTP/1.1 403 Forbidden
Request Headers 
User-Agent:     Mozilla/5.0 (X11; Linux i686; rv:26.0) Gecko/20100101 
Firefox/26.0
Host:           test
Connection:     keep-alive
Accept-Language:en-US,en;q=0.5
Accept-Encoding:gzip, deflate
Accept:         text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/20

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On 2013-08-26T12:36:51+00:00 Shane wrote:

Temporary workaround: if you put the single word in quotes, it does the
search instead of asking the proxy.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/84242/comments/21


** Changed in: firefox
       Status: Unknown => Confirmed

** Changed in: firefox
   Importance: Unknown => Medium

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to firefox in Ubuntu.
https://bugs.launchpad.net/bugs/84242

Title:
  Firefox address bar search displays proxy error page for single word
  queries

Status in The Mozilla Firefox Browser:
  Confirmed
Status in “firefox” package in Ubuntu:
  Triaged

Bug description:
  The problems transpire when searching for single words using the
  address bar in Firefox.

  When I have Firefox proxy settings set to "Auto Detect" this feature works 
fine.
  (Q: is the proxy being used then?)

  When explicitly setting the proxy settings in Firefox this fails sending me 
to http://query/ (displaying the proxy's error page).
  It also fails, when configuring the proxy via PAC file (last option in the 
settings).

  
  (Initially reported for version 2.0.0.1+0dfsg-0ubuntu0.6.10 under edgy)

  TEST CASE (from comment #7):
  1. Add proxy to Firefox conntections.
      - Tools > Options > Advanced > Network.
      - Click Settings under Connections.
      - Select Manual proxy configuration and enter valid proxy details to use 
for HTTP.
      - Apply settings.
  2. Enter a search term in Firefox's address bar, e.g. "query", and press 
enter.

  What happens in this situation is Firefox attempts to reach
  "http://query/";, which of course is non existent.

  What should happen normally is "query" is searched with Google.

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