Ubuntu Security :: Locking System Proxy Settings

Mar 3, 2010

I installed DansGuardian. In order for it to work I set the system wide proxy. However it is really easy to get around DansGuardian by going to preference proxy setting. How do I password protect this setting so it requires a password to change proxy setting? Preferably a different password than the normal sudo password if possible. If not I at least want the sudo password protecting it! I run multiple browsers so doing it via the system rather than the browser made the most since.

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Ubuntu Security :: File Locking Software For System?

Mar 8, 2010

I need a file locking software or atleast any command for file locking

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Ubuntu :: System Settings For Proxy Username And Password?

Aug 31, 2010

I'm trying to use Kubuntu 10.04 in a corporate environment. Our environment uses an internet proxy that requires a username and password.Under Ubuntu 10.04, I can use the GUI to set the proxy host, port, username and password. When I do this, all the web browsers work, Snyaptic works, etc.However, under Kubuntu 10.04, the GUI lets me specify a proxy host and port, but doesn't appear to save the username and password. Because of this, I have to manually set the proxy information on my web browser, but the package managers don't work because they can't access the internet. Apparently the ability to specify proxy username and password is either broken or unfinished.

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Fedora Networking :: Yum And System Proxy Settings

Feb 19, 2010

how do i get yum, KPackageManager to use System Proxy Settings for there network access ? by proxy i mean it's a program that uses my phone as the proxy.here is the command adb forward tcp:8080 tcp:8080

now i got it to work for firefox like this localhost 8080 for all protocols.did the same in KDE proxy settings localhost 8080 for all protocols..just need to know hot to configure yum and kPackageManage
to use it as well?

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Fedora Networking :: How To Configure Proxy Settings For Whole System In F12

Nov 24, 2009

The problem is that he did not specify exactly where in /etc/profile. I am trying to make a custom spin of F12 but I cannot do it behind the proxy as it is now.

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Slackware :: Achieve System-wide Proxy Settings

Jun 23, 2011

I want to set the HTTP_PROXY and HTTPS_PROXY and http_proxy and FTP_PROXY environment variables "somewhere", so all programs that recognise these can find them. I need root to find them for slackpkg and sbopkg, I need users to find them for Dropbox, I need them for cronjobs and scripts and wget.So I want to set these environment variables up somewhere, preferably something in /etc and have them set and accessible for everyone and everything. I am not using KDE or XFCE or any desktop. I need a command line solution.

Where is the best place to put this? I see that some other distros have a /etc/environment and these variables go in there. In Slackware, should I add them as a new file in /etc/profile.d and have them added every time /etc/profile is accessed? Is there a Slackware approved method that I don't know about?

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Red Hat / Fedora :: Locking Down The Proxy Setting?

Feb 16, 2010

how to lock down individual users from setting a proxy server. Its a server not a WS so it should never go to the internet. I want to lock down the system side and firefox 5 settings. found this link but its a bit confusing. I want to lock the system and mozilla Locking preferences - MozillaZine Knowledge Base I tired this and put the local-setting.js in and now the firefox wont start at all. "failed to read the configuration file. Please contact your system administrator. well read several sites that all say to do the same thing but they are talking windows and mac so may be i am missing something being Linux...So what I did was create a file called

more mozilla.txt


Still get error.this link explains what the setting 0-5 are used for Network.proxy.type - MozillaZine Knowledge Base So i thought this might be a permission issue and did a 777 on the local-setting.js file. Still get the error.

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Ubuntu :: Pages Not Loading With Security Settings In Firefox And System / Fix It?

Dec 28, 2010

I have been investigating some security precautions over the past several months. I use Ubuntu now instead of windows and FIrefox browser also. I have installed BetterPrivacy, WOT, NoSCript and a few other add ons. I have SELinux, ClamAV, AIDE, and chkrootkit installed for Ubuntu.

When we browse certain web sites, we get an error about the server being reset. However, when I put the Ubuntu install cd in and browse with Firefox, obviously with no add ons or settings changed, we can browse to the site with no problems. We are trying to be secure on the internet and I don't want to lower or get rid of any of the settings / add ons we added. What would cause servers to reset when using Firefox / Ubuntu with browser add ons / OS addons?

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Ubuntu Security :: Locking Down 10.04

Jul 25, 2011

I know that Ubuntu doesn't need antivirus, and a firewall isn't imperative.

I would, however, like to know what I could do to make my Lucid box a bit more secure, as I'm using it as my work system.

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Security :: Locking Down A Nameserver

Mar 27, 2010

Ok, one more question on nameserver security. So I was reading this post and it recommended not setting a defined outgoing port for your nameserver due to the Kaminsky vulnerability.What is the proper way to lock down a nameserver, but avoid the vulnerability of only allowing incoming and outgoing requests on port 53

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Ubuntu :: X Is Locking Up System

Feb 4, 2011

I first started experiencing it when I would leave my computer logged in overnight.I would come in and find the screen frozen and flickering. When I ssh'd into the machine, I could see that Xorg was using 100% of the CPU and a ton of memory. I could kill kdm, but not Xorg. Only a full reboot would cure it.When it would reboot, my second monitor sometimes would not work and it would take several reboots to get it up and running. Recently, I was working in matlab and had Xorg freeze on my numerous times...always when I had my second monitor up and running.

The card in question is an Nvidia 9800 GX 2.It almost seems like GPU0 (the one running the second monitor) is dead or dieing and is causing instability when it is up and running..but I've also heard that X running away and locking up the system is a known bug.

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Ubuntu :: X And System Locking Up/crashing

Dec 14, 2010

first of some specs;
kernel 2.6.35-23-generic
64 bit amd turion dual core
toshiba satellite about 6 months old
4gig ram (oddly only 3.1gig shows up :/)
ubuntu 10.10

how to get it and i will get it

alright the problem is every now and then my system locks up and i try things like ctrl+alt+Fn and ctrl+alt+del and ctrl+alt+backspace but nothing works exsept when hold down the power button for a hard reset and occasionally somthing else happens that can only be comppared to a BSOD in windows but with out the blue screen it just goes to a screen with vertical grey stripes for 2 seconds ish then reboots

so i dont have the slightest idea of what it could be tho i think it could be something to do with the graphics chip maybe?

its happened quite a few times both in 10.04 and 10.10

if you want system logs i can attach them when ever

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Ubuntu :: Keep System From Locking Keyring After A Few Mins Of Inactivity?

Nov 6, 2010

It's getting really annoying now. If I leave the netbook idle for like 2 mins it will lock the keyring and ask me to log back in.

Is there any way I can disable this?

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Ubuntu :: Set The Proxy Settings For Wikipedia?

Apr 24, 2010

I installed amarok in ubuntu karmic, I had to set the proxy settings for wikipedia and lyrics plugin to work , for that I had to edit the file .kde/share/config/kioslaverc , but now the problem is , that lyrics aren't being displayed although wikipedia and photos for the artist are being displayed. Whenever it starts playing a song, it just shows the usual message "lyrics are being fetched" for a couple of seconds and then nothing is displayed, I don't think anything is wrong with my proxy settings as wikipedia and photos plugin are working fine. Do I need some kde dependency for lyrics to work ?

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Ubuntu :: Proxy Settings For Browser?

Jul 6, 2010

I'm running proxoid (tethering app for android) which operates using a proxy server.

I set the system-wide proxy settings and they seem to work for most part except not on Google Chrome and Opera. Firefox works fine though flash is never detected. I get a 105 "NAME NOT RESOLVED" error on Chrome.

Also whenever I install something using apt-get, it tells me that the packages cannot be authenticated.

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Ubuntu :: Reset Compiz Settings From Command-line To Default System Settings?

Jan 31, 2010

Did you play too much with compiz and after-a-while you realize that certain functions are not working anymore?

Well, just follow the steps below:


gconftool-2 --recursive-unset /apps/compiz



Restart your PC / lappy


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Ubuntu :: Set Default Proxy Settings For Java?

Jul 27, 2010

how to set default proxy settings for java? Windows allows you to do this in control panel-java. Does Ubuntu have something similar? Its causing my java apps to time out and Firefox to freeze.

Ubuntu 10.04

java version "1.6.0_18"
OpenJDK Runtime Environment (IcedTea6 1. (6b18-1.8-0ubuntu1)
OpenJDK Server VM (build 14.0-b16, mixed mode)

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Ubuntu Networking :: Can't Set Any Proxy Settings In Gnome 3

Apr 30, 2011

I just can't set any proxy settings in Gnome 3 Network settings. Is it a bug or...?
I installed Ubuntu 11.04 and then used a PPA to install Gnome 3. Some other "problem" is I can't set single click opening of folders...

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Server :: Getting Rid Of Proxy Settings?

May 25, 2010

I have a server that i built as 9.10 Ubuntu a while ago. It's been running through a proxy server that i set as an export in /etc/profile. Recently i upgraded it to 10.04 Ubuntu.

Now i want to get rid of the proxy server. I removed the export in /etc/profile. I've tried restarting the network services, reloading the profile, rebooting the machine, setting a blank export, and a few other things...but it's still using the proxy!

I've tried grepping various folders but the only other place i can find a proxy setting is in the apt config (which i don't think would matter?).

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Slackware :: Why Accessing My Hard Drive - Locking Up My System

Aug 25, 2010

At first I thought it was the daily cron jobs, but it's been at it for like 3 or 4 hours. It's driving me crazy locking up my system. I suppose I should get off the computer anyway, no real reason to be on for so long.

The only things that look weird in system monitor is kwin, virtuoso-t and X seems to be higher CPU usage than it should. And CPU usage is 20-50% when I'm not doing anything. It was indexing my files.

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Ubuntu Networking :: Proxy Settings Using Export Http_proxy?

Mar 13, 2010

I am setting proxy for apt-get application in command line using xporthttp_proxy="http://usrnameasswrd@hostort"But my password contains special characters whi is mandatory in our system. the special characters are not recognised properly and it give authentication failure when i use apt-get..how do i work around this problem?? i know that i could put the hex code for the special characters so the system will recognise it properly, but i dont know how exactly, as i tried it but seems not working.

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Ubuntu :: GConf Proxy Settings Not Reflecting 9.10 Server

Mar 16, 2010

I'm running a Ubuntu 9.10 server with Openbox as the WM. I'm have set the proxy and http_proxy settings at /system/prosy and /system/http_proxy using gconf-editor. The settings seem to stick in gconf. The gnome-settings-daemon seems to be running fine. The problem is firefox-3.5, apt etc does not recognize the gconf proxy settings. I do not understand why firefox does not honor these settings.

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Ubuntu Networking :: Proxy Settings For Work And Home

Mar 22, 2010

I recently upgraded to ubuntu 9.10 on my dell d830 ..everything worked great no issues. did my normal mods and packaged updates and the works. this laptop i used at work and home, at work i use a windows 7 vm running ontop of my ubuntu and at home well ubuntu of-coarse. work has a proxy setting and my home network doesnt, so i decided to create two profiles on the system > preferences > network proxy One for home > with direct Internet connect And Another for work for defined proxy settings.

Everything was cool...then the one day when i tried to install graphics card driver, it gave a "cant not resolver proxy " error...i checked my profile and it was on home...i also deleted all profiles and set it to default and it still dont work..firefox works cause you can set proxy setting directly on firefox , but now i cant do any "apt-get" because some how ubuntu is still picking up my work network proxy setting? somehow it like stuck on the work network proxy setting although i delete the profiles too...?

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Ubuntu :: Proxy Settings For Chromium / Use Different Proxies In The Two Places?

Jul 29, 2010

I have recently installed chromium in my ubuntu 10.04.

I am facing a problem. Chromium always takes the system proxy settings, and if I change the settings for chromium then system settings change too..

I want to use different proxies in the two places.

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Ubuntu Installation :: Authenticate The Proxy Settings For The Terminal?

Oct 8, 2010

i am using ubuntu 10.04 i want to know how to authenticate the proxy settings for the terminal to install and d download package.

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Ubuntu :: Setting Global Network Proxy Settings?

Jun 14, 2011

I think there is an application which lets you set the proxy settings for all applications. I remember seeing something like this in Gnome's network menu but now I'm using XFCE.

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Ubuntu :: Proxy Settings Of Transmission Bittorrent Client?

Aug 8, 2011

I am using ubuntu 11.04. I want to know that how can I set proxy settings for Transmission bittorrent client?I fill the settings in network proxy but it won't work for bittorrent.

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Ubuntu Networking :: Proxy Settings On 10.04 - No Way To Enter Authentication Details

May 6, 2010

I need to enter credentials for a system wide proxy, on a fresh install of Kubuntu 10.04. Everything hunky dory, but: Network Settings->Proxy->Authorization has 'username:' and 'password' grayed out all the time; even at 'Manually specify ...'. The only 'alternative' (not to chose from) is 'Prompt as needed'. But I don't get any prompt, and so I'm out of luck. To me, this looks like a bug. Because one should be able to enter a username and a password there, for good.

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OpenSUSE Network :: 11.4 Subversion Proxy Settings ?

Sep 16, 2011

I installed openSuse 11.4 (KDE). It was excellent - everything was working great except for Subversion which use to work fine on 11.3 (command line is broken on 11.4, Eclipse/Subclipse works fine on both).

Subversion kept going to the proxy server instead of going directly to our internal Subversion server. I tried (1.) setting the proxy settings in Yast with excluding for our Subversion server, (2.) tried adding the usual settings in ~/.subversion/servers (which worked fine in 11.3). I could not check out on the command line from the local server, I can check out from external servers, eg: Google.

(I installed from the live CD download. I think this is using something some plasma widget thing for the network management.) Why is Subversion not using the usual ~/.subversion/servers file for its settings in 11.4 (KDE)? What is it using and how can I make it not use the proxy server? (Someone else mentioned his Subversion only started working after he used some Chrome plug-in to change the proxy settings but had no idea why?)

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Networking :: Socks 5 To Bypass Proxy Settings?

Oct 7, 2010

An application that supports SOCKS 5 protocol can forward its network connection over ssh and dynamically forward to any host name that you specify isn't it ? that means firebox web browser can use SOCKS 5 protocol can be used by pass proxy settings isn't it ? so how can a sys admin remotely detect if a particular user is bypassing proxy settings using SOCKS 5 protocol ?

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