Security :: Making Box "safe Enough" By Using The Flashblock Extension For Firefox?
Jun 11, 2010
adobe was kind enough to release new versions of flash to deal with the recent 0day exploit which is all fine and good except they didn't release a 64bit version. as a matter of fact the 64bit alpha is no longer available for download and their forum for the 64bit version has been set to read-only.
i'm using slackware64 13.1. i began the process of getting nspluginwrapper working with the 32bit plugin but decided that it wasn't worth the hassle. rather than just dump flash altogether, am i making my box "safe enough" by using the flashblock extension for firefox? obviously, sites still can sniff for the flash version, but nothing will be displayed unless i click on it. basically i'd only be using it for stuff like videos and a few other major sites that should be trustworthy.
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Aug 27, 2010
Firefox crashes randomly. Frequency: few minutes to hours. It is not website-specific. Happens on both flash and non-flash sites. Seems to happen more often when I'm doing something complicated, like editing a photo album on facebook,or using a javascript-heavy page. Safe mode does not help.It used to work perfectly. I don't remember when the crashes began, possibly a month or two ago... So I don't know if they are caused by an update or by something I installed.
Most solutions I found were for problems with the Firebug extension (which I don' have) or for problems with fullscreen flash (which is not the case).Firefox 3.6.8, fully updated Lucid 64bit When started from terminal, it sometimes outputs an exception at startup, then nothing, then "Killed" before crashing. As below:
Code:
[Exception... "Component returned failure code: 0x80520012 (NS_ERROR_FILE_NOT_FOUND) [nsIXPCComponents_Utils.import]" nsresult: "0x80520012 (NS_ERROR_FILE_NOT_FOUND)" location: "JS frame :: file:///home/viktor/.mozilla/firefox/y4yoxvhi.default/extensions
[code]....
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Apr 11, 2010
I am trying to use the torbutton Firefox extension on xubuntu 9.10. I had it working when I first installed it, but now I can't get tor to start properly. When I try to run it using Vidalia I get the following error message:
Apr 11 17:24:12.335 [Notice] Tor v0.2.1.25. This is experimental software. Do not rely on it for strong anonymity. (Running on Linux i686)
Apr 11 17:24:12.337 [Notice] Initialized libevent version 1.4.11-stable using method epoll. Good.
Apr 11 17:24:12.337 [Notice] Opening Socks listener on 127.0.0.1:9050
Apr 11 17:24:12.337 [Warning] Could not bind to 127.0.0.1:9050: Address already in use.
Is Tor already running?
Apr 11 17:24:12.337 [Warning] Failed to parse/validate config: Failed to bind one of the listener ports.
Apr 11 17:24:12.338 [Error] Reading config failed--see warnings above.
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Apr 19, 2011
I would like to know if you guys think this is a safe plugin/extension to use with either Chromium or Firefox.
There is an old page that shows it had security issues in the past.[URL].. Would it be safe to use this or do you think someone could use it to steal my passwords, etc. while browsing?
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Sep 10, 2010
I didn't delete my old extension and recently mounted it so I could retrieve the data. I was wondering if there was any way I could make it the extension to my current native without deleting any of the data? Or if attaching it as an extension was at all possible at this point.
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Sep 2, 2011
I upgraded from Firefox 5.0 to 6.0 and now the SUSEfox Extension is no longer compatible.
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Mar 2, 2010
I am developing an extension for firefox that enables users to chat with any others who happen to be browsing the same website at the same time. The xul file adds a tool bar with a button "Enable Chat" in the browser toolbox. when a user clicks the Enable chat button, the server initiates the chat. I went through many tutorials for extension development. They have helped. But I cant seem to get my extension up properly. Ill just put up the contents of my files for extension..
/home/neethusha/extensions/blaze (blaze is the name of the extension)
chrome/content/blaze.xul
install.rdf
chrome.manifest
[Code]....
I made the pointer to the extension in a file named "blazebutton @anywhere.com" and saved it in the firefox profile folder "/home/neethusha/.mozilla/firefox/d5ma3rr9.dev/extensions"
When i open the firefox in this profile, the extension is not loading...
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Jan 11, 2011
I want to write simple firefox extension / script or anything to change URLs from HTTP to HTTPS for selected websites (e.g. facebook). That thing is actually bypassing some security checks in my network.
Can anyone tell me how to proceed? I can deal with language as far its C++ or Python (something else would just take more time that's all )
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Dec 5, 2010
I am using Fedora on my desktop pc. I want to know how can i protact my PC from outside world. What firewall policy should i implement in iptables to keep it more secure.
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Aug 22, 2010
i just downloaded and installed opensuse 11.3 64 bit kde on my laptop.
all my hardware seems to be working fine.
i installed the drivers for my nvidia video card, and 3d is working along with kde's desktop effects.
i installed all my favourite firefox extensions including video downloadhelper downloadhelper - media download firefox extension an extension that can download videos from videos and other video sites.
all of my installed firefox extensions seem to be working except video downloadhelper.
when i try to download videos with it nothing happens.
previously i had opensuse 11.2 gnome 64 bit installed on my laptop, and the video downloadhelper extension worked fine.
i think this problem might have something to do with the way opensuse integrates firefox with kde.
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Jul 26, 2010
I basically want to transfer firefox settings from one machine to another (or from one user to another) which includes some extensions. Instead of running the browser and installing the extension manually, I just want to copy and paste the relevant files.
I noticed that the folder name where the 'extensions' folder is present is different for different users. And just copying to that folder does not work. code...
I'm guessing there are other configuration files that I need to modify. Can someone tell me right way to go about this?
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Aug 13, 2010
On my friend's fedora 13 install, firefox was working, it seems, until the recent kernel update (kernel is now 2.6.33.6-147.fc13.i686).
After the upgrade, opening firefox would crash the system shortly after starting, so firefox was re-installed (once using rpm, once using yum).
After a re-install of firefox (using yum: firefox version is now 3.6.7) and Until a reboot, the repeated error report went something like this:
After checking to see if the flash plugin was still around and then doing a hard re-boot, however, just opening firefox immediately freezes the system.
Konqueror will run (albeit rather lamely)
In that I don't know the schedule for f13 kernel updates, if indeed the new kernel is causing this problem, does f13 save old kernels? How do I get the older kernel to start (with fc9 the option could be set in grub, or I could startx from a terminal but I have not been keeping up and am not sure how to do this.
I see there are many firefox issues lately...
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Nov 3, 2010
I really need to open Firefox in Safe Mode as I have installed foxyproxy and it's gone wrong! and it won't let firefox open, so i need to open it in safe mode, how would i go about doing that?
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Mar 22, 2011
Firefox Stable PPA provides the latest Firefox stable builds for Ubuntu 9.10, 10.04 and 10.10. This repository that provides the latest Firefox 4.0 stable.
Add the PPA using these commands:
sudo add-apt-repository ppa:mozillateam/firefox-stable
sudo apt-get update
Then if you have Firefox installed, you will get an update for the latest Firefox 4, the package name isn't named "firefox-4.0" like it is now in the Mozilla Daily PPA but simply "firefox", so it is simply a case of updating. I have done this and it works perfectly.
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Jan 3, 2010
Need a few suggestions on how to remove context menu and menu (Tools, etc...) icons from within Firefox. I somehow removed all icons for every extension and addon within Firefox on Windows7, but forgot what I did. It would be nice to know how to do this on Ubuntu... migrated over to Vmware to test out and I always like a clean look.
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Dec 14, 2010
I'm currently running OpenSuSE 11.3. I'm afraid as newer versions are released they will demand more of my old PC (Dell Optiplex GX270). Also, I've heard of issues with newer Linux distributions having issues with older Intel hardware (just hearsay, not personal experience). However, patches for specific OpenSuSE releases have a limited window of time.So,
Am I much more at risk to security issues if I keep a version of Linux past its patch date?Is it possible to keep a specific Linux release but still be able to receive security essential updates based on my repository selection?
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Nov 12, 2010
It seems to me that he passwords kept in GNU Keyring Seahorse, are not kept very safe, because if I'm logged in and someone access my cumputer they can see my passwords that are saved there. I have set a keyring password, but it seems that is it not all the time locked.What are some general follow guide rulles to make sure my passwords are kept safe and my encryption keys that I use.
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Jun 11, 2011
How do you know if a site is safe to download from ?
Have only been using Mint 11 for 3 days after 7 years with windows and the usual safety nets there were the https headings and firewalls blocking stuff but how do you know something is safe in Linux ?
In short how do you know it's a trusted site ?
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Jun 14, 2010
Other than Firestarter, how safe is it to use an iptables firewall for Linux if you know the basics of iptables but not the details and not exactly what you're doing with iptables? I want to be very secure without configuring iptables myself if possible or doing as little as possible. If you don't think iptables is safe if you don't really know what you're doing, which firewall you can use (Slackware specific, preferably) that is the easiest to install and configure? Are there any that work like free Windows firewalls, other than Firestarter? I've looked around and looked at slackbuild and can't find a Firestarter package, I searched this site also and saw something about the reason there isn't one. I'm concerned with my security and I don't want to write my own iptables firewall - I don't fully know what I'm doing.
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Sep 29, 2010
When I go to the Runesacpe page to run the game I get a message that says that the aplit is not signed.
Is it safe to run.
Does anyone know what it does, other than just run the game?
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Jul 13, 2011
I just found a neat way to encrypt a file in Ubuntu 10.04.
I right click on a file and select the Encrypt option. The program prompts me to "Choose Recipient" so I choose myself on the list. Then it prompts me to enter my passphrase.
Once all that's done I hit enter and it adds .pgp to the end of whatever file just encrypted. The same basic method is used to Sign the file.
Does it sound as though what I said is correct and that the file I wanted to encrypt was indeed encrypted?
Can anyone crack my files without the passphrase? I'm sure it depends on the complexity and length of the passphrase.
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Jan 3, 2010
A new open source package called Lightning Rod will help to close security exploits in Adobe's dirty Flash code. A presentation made at the 26th Chaos Communication Congress showed that the package does its job by reviewing incoming code before the browser executes it. Heise Online is reporting that this method can block over 20 different known attacks and can even be used to filter out malicious JPG attacks. As more vulnerabilities are discovered they can be added to Lightning Rod to close the breach.
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Sep 8, 2010
when I apply port forwarding to my router @ home? Is it a risk to every computer on the network or just specifically the server that is involved?
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Sep 24, 2010
I opened a specific port in my router and manually configured Limewire to use the same port for all traffic, but I notice when I disable and turn off Firestarter when on limewire, my searches go really fast and dowaloads zoom really fast also I am not running as root. Is this ok to temporarly stop the firewall when I am on Limewire and then turn it back on when finished?
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Jul 17, 2011
how safe is it to run Ubuntu updates when I'm connecting via a public network (wireless or wired) from a hotel (or other public settings). I'm not familiar with the internals but is there an additional validation mechanism for the package servers other than the URL ?
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Apr 15, 2010
So I know Linux has iptables, I'm rather new to linux, and I'm wondering, are the stock settings with Ubuntu/Kubuntu safe? Is there anything I need to do make them more secure? I tried adding rules myself for some things but ended up just not being able to do anything so I had to reset back to stock with iptables -F. Should I be safe running as-is?
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Jul 10, 2010
What if someone tampered with some important security updates, and suddenly you get a rootkit instead?
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Apr 7, 2011
I am new to Ubuntu so Iwant to know,Am I safe when on-line with the default installation settings on? If not what should I do?
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Feb 17, 2011
Today I ran
aptitude update && aptitude safe-upgrade
Like I regularly do, and I see these two packages need to be upgraded:
login passwd
Since these packages seem kinda security-sensitive I would like to know exactly why I would need to upgrade them. I checked Debian's security list but couldn't find anything relevant, and the links to the changelog for both packages are broken:
The requested URL /changelogs/pool/main/s/shadow/shadow_4.1.4.2+svn3283-2+squeeze1/changelog was not found on this server.
Where can I see what is changed in these packages so I can safely upgrade?
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Sep 2, 2010
My Windows XP Pro laptop has been attacked! Windows will no longer update and Microsoft Security Essentials will not update either. I've been trying to resolve the issue for over two weeks with Microsoft support, but it's just taking too long. I also tried some rescue CD options (all running some form of Linux, obviously):
- BitDefender Rescue CD (removed infections, now detects nothing),
- Kaspersky Rescue CD 10 (removed infections, now detects nothing),
- Trinity Rescue CD (won't load AV Engine, so can't use it to do anything).
Malwarebytes cleaned a bunch of stuff, but will not clean the final threat detected (it's supposed to get deleted on reboot, but never does). Hijack.FolderOptions is stuck in the accursed registry, and it keeps causing Windows Explorer to crash. I cannot rename files or work with them or everything just crashes.
So I'm ready to reinstall XP from scratch, and add a dual boot with Xubuntu & LXDE, which I'm already running on a much older laptop.
Question: I want to rescue the files I need. My idea was:
1) Install Xubuntu with dual boot.
2) Copy over files from Windows XP partition using Xubuntu.
3) Back up files to an external drive using Xubuntu.
4) Reinstall XP Pro and format hard drive.
5) Reinstall Xubuntu with dual boot.
6) Use Xubuntu for daily use.
7) Only use XP for those tasks that require it (TomTom updates ...)
Should I be concerned about the security risk from copying files from the Windows partition to the Xubuntu partition, and from there onto an external hard drive?
Is this the way to do it, or is there a better way? I just want my laptop back in working order. Right now I can't use it for anything.
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