System proxy settings GNOME

Am behind a proxy server and am having a problem configuring system-wide proxy settings in a gnome environment. All I have been able to do is export the proxy setting on the terminal to be able to use pacman. How do I supply these settings to all other applications for instance empathy? I also couldn't help but notice the missing 'apply-systemwide' button in gnome-control-center under proxy preferances( I used to do this in Ubuntu).
Thank You.
Last edited by jgwaro (2013-01-30 08:17:34)

t0m5k1 wrote:
unsure if these are "system wide" but here is what the wiki say's:
https://wiki.archlinux.org/index.php/Pr … _on_GNOME3
Thanks for the reply but i tried that and was unsuccessful.

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Windows - Use system proxy settings not working as expected

Hi everyone,
I have a bit of an issue that I could use some help with. We currently have remote users that utilize an SSTP VPN connection to access our internal network. Once connected, those users are required to use an internal proxy server to connect to the Internet. The proxy server is Microsoft's TMG and utilized domain authentication.
On our remote Windows clients we have their Internet Options configured to utilize a proxy as follows:
Internet Options -> Connections -> LAN Settings -> No proxy configured at all
Internet Options -> Connections -> Highlight SSTP Connection -> Settings
Use a proxy server for this connection -> IP/Port of Proxy Server
Firefox and Chrome are both configured to use system proxy settings.
Here is my process to demonstrate the issues:
Remote client workstation is rebooted.
With the above configuration just after a reboot, a remote user that is not connected to the VPN can browse the Internet with Internet Explorer, Chrome, and Firefox. None of the browsers prompt for credentials.
A remote VPN connection is then established.
FF is opened and HTTP connections utilize the proxy server. However, HTTPS connections do not use the proxy server, but instead attempt to use the default gateway. FF does not prompt for credentials. FF is closed.
Chrome is opened and can access both HTTP and HTTPS sites without issue. No credential prompt. Chrome is closed.
IE is opened and can access both HTTP and HTTPS sites without issue. No credential prompt. IE is closed.
Here's where it gets weirder...
FF is then reopened. The VPN connection is still up. FF will prompt for credentials. Domain credentials are supplied and FF can now utilize the proxy for both HTTP and HTTPS connections. FF is closed.
VPN is disconnected.
FF is opened and cannot access the Internet as it is still trying to use the proxy server. FF is closed.
IE is opened and can access the Internet. IE is closed.
Chrome is opened and can access the Internet. Chrome is closed.
FF is reopened and can now access the Internet. FF is closed.
In summary, in the above scenario FF acts in an unexpected manner with regards to proxy usage when "use system proxy settings" is applied. However, Firefox begins acting as expected after IE is opened and closed. For example, connect to VPN, open IE, close IE, open FF, and everything works accordingly. Disconnect the VPN, open IE, close IE, open FF and everything works as expected.
Any insight you can provide would be appreciated as it is affecting our FF users and the sooner we can achieve resolution the better. As a note, we've also worked through this issue with WPAD and proxy auto-detect. I've intentionally removed these from the equation to simplify troubleshooting.
Thanks

Quick update. Added to a previously filed bug. Looks like it's assigned now so maybe we'll see a fix for this soon.
https://bugzilla.mozilla.org/show_bug.cgi?id=563169

Firefox not detecting/using system proxy settings

I use a command line script to change among various proxies (and none). Firefox does not recognize when a proxy is turned on or fails to connect to it (no error messages), while other browsers and applications do just fine.
I have tried selecting "Use system proxy settings" and "Auto-detect proxy settings for this network."
My script contains these lines to activate a proxy
reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections" /v DefaultConnectionSettings /t REG_BINARY /d 46000000b10000000200000014000000736f636b733d3132372e302e302e313a313131311c0000002a2e6c6f63616c3b3139322e3136382e31312e2a3b3c6c6f63616c3e000000000000000000000000000000000000000000000000000000000000000000000000 /f
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reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v MigrateProxy /t REG_DWORD /d 1 /f
The first line enables the proxy to take effect without entering inetcpl.cpl. Again, this works for any application other than Firefox.
The proxies are all through ssh with port forwarding.
I do not want to manually configure a proxy in Firefox, because I do not want to change this every time I need to change proxies or turn them off. This is not an acceptable solution.
I am on Windows 8.1 64bit, with Firefox version 35.0
Any idea what might be going on here?

Thank you for the response, but as above, the "Auto-detect proxy settings for this network." setting does not work.

System Proxy Settings only work as root

Using Firefox 10.1 on Suse Linux Enterprise Edition 11 SP2
Setting the System Proxy settings to our Proxy and using Firefox with "using System Proxy Settings" works as root user. The Authentication Prompt for Authentication Pops up and after entering the credentials FF works.
The very same Settings do not work as non-root User. Not even the Authentication Prompt for Proxy Authentication pops up.
All Proxy Settings are available too both users (checked Variables exported in Shell).
Any Pointers appreciated.

Yes, entering the Proxy settings manually does work. Even the automatic configuration using the proxy.pac works. Just the "Use System Settings" part does not.

Use System Proxy Settings - when this is selected in FF v3.6.6, does it adhere to the same local IE proxy setting? We use a pac file configured in "Use automatic configuration script."

Does anyone know what Firefox looks at locally on the PC when the "Use System Proxy Settings" setting is selected? It appears to be the default setting, recently changed from "No Proxy" of versions past...
Our company uses a pac file specified in IE under "Use automatic configuration script" - with this new default, does it adhere to the same setting in:
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

I may be wrong but I think that the "Use System Proxy Settings" makes sense only on Linux and generally speaking "other OSes". As far as I know there is no generic proxy settings in Windows operating system.
The one I know is in the registry part of Internet Explorer.
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"Use system proxy settings" Not working on Mac OS X Snow Leopard

When I change the network location or when I select "Use system proxy settings" on the connetion configuration dialog.
Firefox is not using the proxy defined on the loction set on Mac OS X Snow Leopard.
I usualy change from work to home, at work I've a proxy and at home I don't, and it's a bit annoying to have to change the proxy twice a day. So I tryed this feature, but It's not working for me.
I've tryed also with Firefox 3.6 (I think) and didn't work either.

I run it from eclipse, and on debug mode i checked the value of
java.library.path, and it was ok.
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kind regards,
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PowerShell 4.0 ISE doesn't use the system proxy settings

I can retrieve the contents of a URL using something like 'iwr
http://www.adobe.com' in the command-line PowerShell host.
This takes into account the proxy settings in Control Panel / Internet Options.
If I attempt the exact same thing in the PowerShell ISE, I get:
iwr : The remote name could not be resolved: 'www.adobe.com'
This works only if I add the -Proxy and -ProxyUseDefaultCredentials options.
How comes?
How do I fix this?

I hate to say, but I don't understand how what I see is compatible with your statement.
Let me show what I'm experiencing with more details.
Here's what I get without any proxy options from powershell.exe:
PS 4.0 ~> $r = iwr http://www.adobe.com
PS 4.0 ~> $r -eq $null
False
PS 4.0 ~> $r.GetType()
IsPublic IsSerial Name                                     BaseType
True     False    HtmlWebResponseObject                    Microsoft.PowerSh...
and here's what I get from the ISE:
PS ~> $r = iwr http://www.adobe.com
iwr : The remote name could not be resolved: 'www.adobe.com'
At line:1 char:6
+ $r = iwr http://www.adobe.com
+      ~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-W
   ebRequest], WebException
    + FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebR
   equestCommand
PS ~> $r -eq $null
True
If the CmdLet requires the -proxy option, how do you explain the results I get without the option from powershell.exe?
Next to that, here's what netsh reports:
PS 4.0 ~> netsh winhttp show proxy
Current WinHTTP proxy settings:
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Safari does not using system proxy settings (charles web proxy)

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J

You have to apply the change before it takes effect.

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Using JRE version 1.6.0_29-b11-402-10M3527 Java HotSpot(TM) 64-Bit Server VM
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java.lang.ClassNotFoundException: JVMDetect
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Logging set to : true… completed.
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My proxy is configured in my system settings as "auto proxy discovery". Everything else honours the proxy setting. Safari has no problem and connects to all internal & external sites without issue. Even Firefox has no problem, and can launch the webex fine. If I configure a proxy ipaddress in the "Java Preferences" network proxy settings, I can launch the webex. But when set to "use system settings", it doesn't use the proxy.
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I know it's nothing to do with local caching because I get the same with a fresh user I created especially for testing.
Has Apple broken something?    It was working fine until I applied the latest updates last week.

It seems to be an issue with 'liveconnect' (which I assume is needed by webex).
liveconnect can be tested here.
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Is this a known bugs? any ideas?

How do "Auto-detect proxy settings for this network" and "Use system proxy settings" work behind the scenes?

How can I see what the proxy firefox actually uses when I check either of these two options?
Does it take it from Internet Explorer?
Are they stored somewhere in the registry?

Hi conectionist,
This is taken if there is a proxy set up in your network settings on your OS. If you would like to test there may be an add on:
*[https://addons.mozilla.org/en-US/firefox/addon/smart-ip-connection-info/?src=search]
Please feel free to search to find a better one if necessary.

[Solved]Gnome 3 global proxy settings not working

Hi
My laptop runs Arch and I use it at a hostel and University. Both have different proxy settings and I had configured it by using a script (if one can call it that) in {/etc/profile.d/} that exported the correct settings. I had to edit (comment/uncomment) my setting every time I mover my laptop.
I need the setting globally for Chromium to pick it up. Chromium until recently had a problem when accessing the Gnome 3 network (proxy) settings. A new update seem to have fixed this but the problem of picking up the setting remains.
I started up a terminal to see how that global proxy setting in Gnome 3 were shown and found that only the following were set
https_proxy
all_proxy
ftp_proxy
The main one that I need {http_proxy} was not set, even thought I defined it. I think this is an issue with Gnome 3 and was not sure where I should report it. Any solutions will be much appreciated.
Last edited by jlight2011 (2012-10-24 11:46:46)

I've had issues lately with Gnome 3 and proxy settings. For example, as of today (or sometime this weekend) Firefox is not obeying the system proxy settings (System Settings -> Network -> Proxy). Even better was that today I found that the system proxy settings had "magically" reset to proxy.company.com:8080 (or whatever their default setting is). If I manually set Firefox's proxy settings, it connects just fine. All terminal applications that I use only obey the http_proxy environment variable. Other programs, such as Evolution, seem to not obey the Gnome system proxy settings but only the ones set in GConf (not DConf) (which were also "magically" reset today).

How to disable system proxy server settings

If I want to use URL.openStream() to get an InputStream to a remote file, but don't want the JVM to use the system proxy settings to do the connection, what shall I do?
I saw a piece of code as follows
System.setProperty("http.proxyHost","i.do.not.exist.fiction");
System.setProperty("http.proxyPort","80");
but this doesn't work in Java 1.4.0_01
Instead of trying connecting to a valid remote host without using a proxy (presumably because the supplied proxy cannot be found), the JVM actually throws a FileNotFoundException although the remote file is there (and can be accessed by, say, Internet Explorer).

Ok. Your changing the http proxy to something that is valid, although the server does not exists. Try setting the "http.proxyHost" property to null.
You can find more information in:
http://java.sun.com/j2se/1.4/docs/guide/net/properties.html
Bye.

When I open firefox it says something about proxy settings! how do i fix this so I can start using it again

It won't let me do anything! All it says The proxy server is refusing connections
Firefox is configured to use a proxy server that is refusing connections.
* Check the proxy settings to make sure that they are correct.
* Contact your network administrator to make sure the proxy server is
working.
I clicked the button to reload or whatever and nothing happens just the same old thing over and over!

Check the connection settings.
*Tools > Options > Advanced : Network : Connection > Settings
If you do not need to use a proxy to connect to internet then select "No Proxy" if the default "Use the system proxy settings" setting doesn't work.
See "Firefox connection settings":
*https://support.mozilla.com/kb/Firefox+cannot+load+websites+but+other+programs+can
Start Firefox in <u>[[Safe Mode]]</u> to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode

What does the setting 'use system proxy setting' mean?

I am using a proxy server that requires my email address which I need to change. I can't figure out how to change the proxy server settings. Under preferences, network, settings, the checked box is 'use system proxy settings' -- I don't know what this means or how to see what the proxy setting is and possibly change it.
Thank you

If the default "Use system proxy settings" is selected then Firefox will try to query the OS to find which settings to use.<br />
If you want to use a specific proxy in Firefox then you can select use "Manual proxy configuration" and enter the URL and port number that you want to use.
* http://kb.mozillazine.org/network.proxy.type
* http://kb.mozillazine.org/Network.proxy.%28protocol%29
* http://kb.mozillazine.org/Network.proxy.%28protocol%29_port

What is proxy settings default?

I'm wondering what is the proxy settings default setting? On my computer it is set to "Use system proxy settings" I'm wondering what should be the default the version of firefox I am using which is the latest version of firefox.

"Use system proxy settings" is the default in current Firefox versions and should work in most cases.<br />
Only if there are problems then you can try to select "No Proxy".
* https://support.mozilla.org/kb/Firefox+cannot+load+websites+but+other+programs+can
*Bug 500983 - "Use System Proxy Settings" should be default for new profiles.

System proxy settings GNOME

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