Ubuntu Security :: Innocent Website Tries To 'scan' Computer / Should I Get Protection?
May 6, 2010
So I forgot how to do something in Compiz and I quickly Googled it to find the answer. On the first or second link I clicked, a pop-up box opened from Firefox saying that I should scan my computer. Immediately, I pressed the X button, but a page started to load that tried to "scan" my computer. I closed out Firefox and re-opened it. I did the exact same search again on Google, but I clicked on the cached view of the site. It was harmless enough--a blog with some ads on the side of the page. I'm assuming that it was one of the ads that somehow must have taken over the page.
Anyway, I know that the discussion of anti-virus programs is not anything new, but I would like to know if this virus may have affected Ubuntu. What would you guys recommend in this case?Also, after running the update manager, I received a pop-up box asking if I would like to update Grub. Is this a normal part of the update, or could it be a virus? I'm a bit paranoid, being from the land of Windows.
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Aug 30, 2010
How do I scan a windows computer from my Ubuntu laptop via the network? I have Ubuntu 10.04 on my laptop. First Windows computer to scan has Windows XP Home Edition Second Windows computer to scan has Windows Vista Home Basic I have Avast 4 workstation and KlamAV insalled on it. What is the steps to make my computer scan those windows computers. And how do I set up my firewall to work with firefox and empathy?
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Jan 9, 2011
I installed squeeze on my eeepc 1015ped and downloaded the correct firmware-brcm80211 drivers but every time I scan for my network using iwconfig wlan0 scan or wicd, my computer completely freezes. I previously had a solid install running xmonad, and wicd was working like a charm (using the same broadcom driver) but i tinkered too much with it and decided to do a fresh install. I haven't quite run into a problem like this before.
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Feb 23, 2011
I tried installing F-prot's linux scanner but it doesn't seem to want to install and I am tired of messing with it.
So I am wondering if I even need it or if there is something else.
I am behind a firewall already with my router if that helps any.
I guess I am having trouble understanding why virus protection is less necessary.
Do people not write viruses for linux systems?
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Jan 3, 2010
I am considering trying out gentoo linux on my machine and wanted it to compile while I was gone (going to be gone for a week). I just want to make sure that my system will not MELT while I am not there to make sure everything is okay. I have a pentium 4 prescott. Will my computer automatically shut itself down if it overheats? I've heard its supposed to but sometimes is too late. Can I trust it?
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Jan 22, 2010
I installed TrueCrype 6.3a on my 8.1 Ubuntu. Everything went fine until I got to the part where I need to protect my hidden volume from damaged caused by writing to the outer volume (these instructions: [url] ). I can't find the checkbox to "Protect hidden volume from damaged caused by writing to outer volume". The closest thing I can find is an option to "Protect hidden volume when mounting outer volume". Intuitively these don't sound the same to me. There are 2 difference between my setup and the instructions; 1) the instructions appear to be written for Windows and not Linux. 2) I am using a file volume and not a partition volume.
Does anyone know where the option is to protect the hidden volume when writing to the outer volume?
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Oct 3, 2010
I've recently installed Ubuntu 10 on my laptop and I'm not sure whether it's safe or not. My question is do I need any antyvirus or firewall to protect my pc against virus, spyware etc.?
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May 15, 2011
When surfing the net do you need virus protection? And if so what do you recommend?
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Jul 2, 2011
is there a way to make a password key-ring for a list of specifications, specifically; all the applications relating to preferences. I'm running Ubuntu 11.04, I'm the only user, I disabled all login password requirements because they were annoying me and I'm cool with anybody using any of my applications as long as they aren't capable of changing my system in any way. Some of the applications I would like to be on the list include the terminal, the network connections preferences, the keyboard preferences. I wan't to be prompted for a password before opening these programs
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Feb 24, 2011
I work in a relatively small organisation of about 30 people (but with a complex network) and we've been looking to move our firewall to Microsoft's Threat Protection Manager on a mostly Windows network. I've been thinking we should have an IDS/IPS inside the firewall and I've been thinking about Snort in NIDS mode but have some basic questions:
1. Can anyone recommend a good web GUI for Snort?
2. Is it advisable to run both on the same machine? (Both from a POV of security and resources.)
3. Would Snort add any real benifit to using TPM?
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Dec 18, 2010
Using Windows, I always set a Restrictive firewall policy with a third party firewall. But I also had all ports set to Stealth, something that appears to not offer any security benefits (as I've learned from reading Ubuntu forums). I'd like to learn about best security practices (under Ubuntu) for outgoing firewall protection. I will be using the built-in Ubuntu firewall that is configured via Firestarter. Outgoing filtering offers privacy as well as security benefits. But I thought I needed my ports stealthed to be safe too, so I'm open to learning new things.
I wanted to start a poll to find out how many folks use permissive/restrictive, but no polls allowed here apparently.Could Ubuntu users knowledgeable about firewalls enlighten me on whether I should go Outbound-Restrictive and what applications I will need to allow so Ubuntu "housekeeping" is not affected negatively? I basically just use the internet for software updates, web-surfing and e-mail. One question I have is whether there is something comparable in Ubuntu to Window's "DNS Client" service? I always disabled Window's "DNS Client" and forced each application to request port 53 DNS lookups itself.I only had to allow four programs to accomplish all internet traffic that I engage in. I set all other programs/applications to be either Blocked or to have to Ask for an outgoing connection as needed.Here is my former Windows XP setup:
svchost.exe: allow UDP for ports 53, 67, 68, 123 (time) and TCP for ports 80, 443
Avast: allow UDP for port 53 and TCP for port 80
firefox: allow UDP for port 53 and TCP for ports 80, 443
IE: allow UDP for port 53 and TCP for ports 80, 443
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Aug 26, 2009
I have been trying to find a virus protection software that will integrate with my kernel 2.6.16.60-0.42.4. I tried Linuxshield, but the version of kernel I have is too new. I spent two days trying to make it work, but it gives me an error continually, no matter what I do when I try to install it. If there is anyone on the same kernel version that has had success with a virus protection software.
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Dec 7, 2010
I'm a little new to linux, but I'd like to know how to scan something on to your computer. I'm using an HP Deskjet F2480.
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Jan 17, 2011
1. I understand you can protect your files or directories in your website by setting file/directory permissions. The meaning of r w x is clear to me, but I'm not sure how to proceed... Starting with the index.html file, if I wanted to make it so that anyone in the world can read it but can't modify it, do I set its permissions to rwxr-xr-x? If I set it to rwxr--r--, would that mean the file couldn't be served? I mean, what does the x setting do on a .html file, how can a .html file be executable?
2. If file permissions work on the lines of owner-group-others, in the context of a website, who is 'group'? As far as I can tell, there's only the owner, which is me, and others, which is the world accessing the site. Am I correct in thinking that by default, say when creating a website on a shared hosting server, there is no group unless I specifically set one up?
3. My ISP allows the DynDNS.org service, meaning that I could serve a website from my home. It's too early to go that route just yet, but for future reference, I would like to ask about the server software called Hiawatha. It is said to be secure, but having read some evaluations of it, it doesn't seem to offer anything that couldn't be accomplished with Apache or Cherokee, it's just that its security settings are simpler and easier to configure. Am I right about this? Or does Hiawatha truly offer something that the other major server packages don't?
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Jan 7, 2011
I don't know if this is Just my Machine, or not. But here is it:
Ubuntu 10.01
Acer Aspire 7740
When the computer is locked. I can smiply go to switch users. when the list of users logins are shown all i have to do is click on my user name and it allows me into my account without typing in a password. I can lock the computer manually or wait for it to time out it doesn't matter. the switch users method allows me to bypass the password protection.
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Feb 2, 2011
My computer recognizes the printer and has no trouble printing out any documents. The printer can scan papers to a memory card and makes copies just fine too. But when I select "Scan to PC" I get the message "Try scan from computer or see documentation. Press OK." Of course, the printer included next to no documentation, only the basic plug-it-in-and-turn-it-on instructions. Simple Scan said that it did not find a scanner.
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Jul 24, 2011
I've read that there are a lot of rootkits that exist for linux. MS Windows has tools where you can boot a "portable" scanner from a CD and scan your whole Windows installation for rootkits. This way you can even scan boot sectors because you are never actually starting your installed Windows.
Is there anything available like this for Ubuntu? Is there a scanner I can run off the LIVE CD for example to scan my ubuntu installation for rootkits?
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Jul 4, 2010
I'm quite new to Ubuntu and I am running Ubuntu Studio 10.04 . I have just installed Klam AV and had it scan my computer . I was surprised to find that it had found two 'viruses' . I don't know if anyone can help me in finding out if they are real or only false positives . The following is the output that I received .
Name of File
/usr/src/fglrx-8.723.1/libfglrx_ip.a.GCC3 and GCC4
Name of Problem
Heuristics.Broken.Executable
Status
Loose
Does anyone know if this is a problem.
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Dec 7, 2010
I have Avast Antivirus installed in Ubuntu 10.10. There are options to select folders to scan from 1. Home Directory 2. Entire system and 3. Selected folders. What are the options available to scan only selected drive. OR How to scan only USB stick.
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Apr 10, 2010
I've installed ClamTK on my Kubuntu 9.10 installation, since it's connected to a Windows7 machine.When I ran a scan, it found 9 'viruses', but they are all within my home directory > Opera/mail/store and are either status Phishing.Heuristics.Email.SpoofedDomain OR HTML.Phishing.Bank-593.I recently synced my Hotmail into Opera, so I checked the corresponding dates in my Hotmail account and deleted the emails which I thought were related, however, after clearing down my Opera history, etc., re-booting my PC and re-scanning, the results are the same.How do I clear down these files?
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May 12, 2010
I'm dual booting 10.04 with windows 7 and it occurs to me that I could scan the windows partition for viruses FROM linux. Is anybody doing this sort of thing? Does that make any sense?
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May 18, 2011
I use clamtk to scan flash disk. It says the engine is out of date. What do I do to update it?
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May 29, 2011
I am a newbie in ubuntu. I did clamscan on my ubuntu /, and I got the result message as follow. it shows "486 errors" I am wondering if the result is OK or I need to do some action on it.
Known viruses: 968595
Engine version: 0.96.5
Scanned directories: 28067
Scanned files: 131696
Infected files: 0
Total errors: 486
Data scanned: 9020.40 MB
Data read: 17800.31 MB (ratio 0.51:1)
Time: 1349.479 sec (22 m 29 s)"
Also, my engine is 0.96.5. The latest version is 0.97. But "aptitude upgrade" can not upgrade the engine to 0.97. I understand 0.97 is still on testing. I am wondering if I can just stay with 0.96.5 and wait for the 0.97 passing all tests. if so, does it cause any security issue?
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Feb 17, 2011
1- How can I prepare my own website in my own pc at home? I have had used Nvu in the past, but it looked to me very unstable (it disappeared from my screen at simple use, despite re-installing it again and again), and I think the Kompozer was also not very far from it, my experience.
2- How can I prepare my pc to run that website? What Linux software I need to download for? Do I really need to have a great cash to transform my poor pc into it? I think that because it is Linux-Ubuntu, not Windows, the situation can not be any worst or more expensive... uh?
3- In theory, if I have that website in my own pc... how I know that hackers can only see my page (in a separate-isolated folder from other folders, right?) and can not take a tour of my entire pc, documents, photos, etc, including copying or stealing archives or Ooo documents? It is not that the same way when (by example) a hacker can steal the next Stephen King book or script and sell/display it worldwide without even his knowledge?
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Jan 2, 2010
I use my ubuntu laptop at work and connect a lot of usb pen drives to my computer. Everyone else I work with use windows and I want to make sure that the usb pen drives don't contain any windows viruses so I don't spread them. The best way for this to be done would be to have the USB pen drives automatically scanned with they are inserted in my ubuntu machine. How to do this?
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Jan 31, 2010
I know that there is little need for me to install an anti-virus etc - but - I was thinking, it is a good idea to scan folders and files that I send to colleagues that run windows.Whats the best way and programme to do this? I guess I simply install an AV programme and thats it!
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Feb 11, 2010
Is there a free online vulnerability scanner where either I can give them the IP address to scan or can be initiated from the console command, tool, or text based browser. I use GRC's Shields Up when I have a GUI, but I want a scan ran on my website that runs Ubuntu 8.04 server on a hosted VPS.
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Feb 22, 2011
I have network shares automounted in /media and I want to exclude them from my automatic scheduled ClamAV scan in Maverick. How do I do this? I can't find any CRON link or script that actually starts the scan. Is it the Daemon that does this?
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Aug 1, 2010
I ran a chkrootkit scan and found this: The following suspicious files and directories were found: /usr/lib/pymodules/python2.6/.path /usr/lib/xulrunner-1.9.2.8/.autoreg /usr/lib/firefox 3.6.8/.autoreg /usr/lib/jvm/.java-6-openjdk.jinfo
How do I get rid of this suspicious file?
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Nov 12, 2009
I installed CLAM AV and also the GUI (CLAMTK).
1). What is the console command to scan all of Fedora, not just a specific directory, but the entire computer?
2). Even tho I have consulted the CLAM AV site on how to update to the latest virus signature database, I don't either understand what they are telling me to do, or I am not "getting" how to do it.
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