Ubuntu Security :: Protecting Files - With A Password ?

Jul 13, 2010

I would like to know how can I protect a file with a password in Ubuntu.

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Ubuntu Security :: Apparmor Protecting Files From Users

Jan 8, 2011

It seems that AppArmor can't be effectively used to protect read access to files from users (including roots). It is possible to create a profile for, eg, 'cat', but then the users can use 'less'.Is this true? Should use SELinux instead for this?

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Ubuntu :: Password Protecting LAMP Directory ?

May 20, 2010

I have a LAMP box which runs on Ubuntu 8.10 on it. I am looking to password protect the web directory, so when a visitor accesses any site within they are prompted for a username/password. Is there a package available?

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Debian :: Password Protecting A Directory ?

Dec 16, 2010

I need to make it so that someone who is using my computer, logged in with my user name, is prompted by a window in the GUI if they try to access a certain folder. Logging in with a different user name is not an option, so "chmod"ing, "chown"ing or encryption is out. I picture something similar to what happens when you try to access GParted, Synaptic Package Manager, etc. When you try to access those, a window pops up prompting you for the root password. The reason being is that my wife uses my computer, logged in as me. She doesn't ever log out and log in with the user name I set up for her because it's "inconvenient." She's also not computer savvy whatsoever. Also, my kids run around like maniacs and my 3 (almost 4) year old knows how to click on things and type without knowing what she's doing. This has resulted in some deleted/changed files such as spreadsheets with important financial data and or Cisco configs in them. I would like to leave my computer on without having to watch over it all the time. Ok, I know there are threads in various forums all over the place with people who have asked this question, but nobody ever seems to actually provide an adequate answer or solution to the original poster as far as I can tell. (I have been searching for two hours on Google with no results). I am running Debian Squeeze. I am not necessarily a "beginner" anymore, being that I can move around and do pretty much anything I used to be able to do when I used to run Windows (yuck), but this is definitely something that is a bit over my head.

There are a few requirements, however.
-No creating new users or having to log in as another user
-I do not want to simply "chmod -r", "chmod ###", or "chown" the directory
-I also understand you can encrypt directories, but that's not what I need.

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Ubuntu Security :: Protecting My Privacy - Measures To Prevent My ISP From Keeping Data

Jun 12, 2010

Intrepid Ibex (U8.10) is what I am using presently and I would like to know if there are measures that I can take to prevent my ISP from keeping data that flows between my PC and it.

I am living in Australia, I am wanting to keep the bastards (read: Australian Government) ignorant about what I use my PC for.

Its them storing any of my personal information that I am worried about, but if I can keep my history from them completely, even better...

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Ubuntu :: Protecting Files From Other Physical Computer Users

Mar 14, 2010

I occasionally have friends using my home computer. They just use my account.There are some files that I want to hide/protect from people using my computer. It's not that I need highly secure encryption, it's more like I want to make sure people don't accidentally see my porn collection if they borrow my computer to check their email.Is there a way to set up a folder such that it's required to enter a password (e.g. the admin password) to see it's content? Probably I could change the owner of the folder, so that I can't access it without password?How do you protect/hide your secret or intimate files?

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Security :: Why Rsync Updated Password Files

Mar 26, 2011

I synchronise my data disk to a backup disk daily. Yesterday I noticed that rsync listed in its output my password-managers directory, which contains an old Keepass database and other Windows password programs I used long ago. I haven't accessed this directory in ages, so I was wondering why rsync felt the need to list itthe directories it updated.Modification dates and last accessed dates are what I would expect; nothing recen

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Ubuntu Security :: Accessing Password Protected Ext3 Files?

Jul 31, 2010

I have a drive that originally was used with a Linksys Network Storage Link (NSLU2), then stopped working with it. Now I'm trying to get the files off the drive. When I USB connect the drive to Ubuntu, I can see the files, but I'm unable to open them or copy them. The error message is: "Error Opening File: Permission Denied". I did have permissions set on the NSLU2. So far I'm not able to find a way to get around the permissions issue in Ubuntu.

I have used apps like EASEUS Data Recovery and Recover My Files. It appears that they are finding the files and are able to access them, so I know it can be done. I don't mind spending some $, but these apps are taking a *long* time to run. If I could properly access the files in Ubuntu long enough to copy the files, I think I'd be all set.

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Ubuntu Security :: Change Keyring Password To Match Login Password

Jun 14, 2011

everytime i try to vnc to my box, it pops up the keyring authentication, which is obviously a huge problem when logging in remotely.how do i change my keyring password to match my login password?

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Ubuntu Security :: Generate Password / Encryption Keys For Password

Oct 22, 2010

I know this has probably been asked too many times here but I need to secure my emails. Personal matters of course. But yeah. I use the program "Password and Encryption Keys" to generate a key to sign my emails with but I do not know what to do. To be blunt, I'm stupid when it comes to this. IF not, steps in creating a key? and giving it (my public key) to the significant other? Finding where both keys are? Implementing it into Thunderbird? If it helps any here's some extra information: Ubuntu distro: Ubuntu 10.04 Email client: Thunderbird

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Ubuntu Security :: Want To Change Password To Weak Password

Jan 13, 2010

How can I force passwd to use a simple password?I want to change my passwd & delete passwd history (if stored).I plan on creating a Virtual Appliance that uses another password besides my testing password.

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Ubuntu Security :: Changing Password Seem To Be Potential Security Hazard?

Aug 3, 2010

I already posted a topic similar to this concerning the Desktop OS version, but this deals with the Netbook because unlike the Desktop, the Netbook is less cooperative. Allow me to elaborate: Today (or rather yesterday since it's not after midnight where I am), I changed my password because I was hopelessly confounded about how to get my Wireless Network card up and running after it had been installed and I was allowing my dad to use it. This issue has since been resolved, however...

When I chose my password during the original installation, there was no mention of it being "too simple." This is where the Desktop OS and the Netbook OS differ. The desktop will let me change it in the terminal without any errors. The Netbook will not. When I've attempted to revert it back to the original, it will not let me do so in the User Profile or in the Terminal. The Passwords and Encryption Keys application also does not appear to help.

So now even after I've changed it to a different "complicated" password I am still prompted to insert two different passwords since I changed my user password but I am unable to change the password I input during the installation. A bit screwy methinks. This is extremely important. I'd like to know how to change the original installation password.

If I can't change the main password on my laptop then this is a serious potential security breach just waiting to happen (especially since it's on a laptop and I will be hauling it around with me) and I will most likely install a different OS if this isn't resolved --- It would be very unfortunate since I spent the whole day fixing it and I really enjoy the interface. Luckily I can live with this on my Desktop since I'm not going to be hauling it around with me everywhere when the school year starts.

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Security :: Find Password Or Circumvent The Password Altogether?

Oct 1, 2010

I have a database created by an older program (not Access) that I need to open and retrieve information for my business. The manufacturer put a password on there so that only it's program could open it. I do not use that program, but it has information I need. Is there a way to find that password or circumvent the password altogether?

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Software :: Protecting Your PHP Code ?

Apr 19, 2010

In the organization where I work, we are working on a project written using PHP. It is a small project. Is there any software which will allow us to protect the code somehow? I am not a developer here so I have got not much idea about it and most of the developers are .Net developers and it allows protecting code and developers need something like that.

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General :: Protecting Directory From Deletation But Upload Into Int

May 30, 2011

I want to make an upload directory, where people in the network can upload some files but i want to make sure that they cant delete the whole directory. Is this possible?

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Ubuntu Installation :: Restricting Access To The Development Servers And Protecting The Data?

Nov 26, 2010

Every developer in our organization has access to a single development server and all development ( other than basic experimentation ) is done on this server. This is primarily because there are several interdependent systems and having copies of these systems on each developers machine slows that machine down to the extent of making it completely unusable. All developers access this development server using ssh. Of course this implies that scp will also work as the sshd daemon is running making data vulnerable.

We are currently attempting to secure the code and data on this server from unauthorized copying and transfer.

Currently I am attempting to set up virtual machines on each developer machine that can then be used to connect to the development server. I have created a shell that does nothing but allow for the typing of one command that simply transfers ( ssh login ) the user onto the development server.

I am using virtualBox and ubuntu mini to achieve this.

Problems: The first question is if this is a reasonable way to achieve what I am attempting to. Is there a better way?

The others is more in terms of the set-up: I am attempting to resize the virtualBox console. I tried this by editing grub. Although I am able to resize the screen at start-up the entire screen goes back to ( what I believe is 800x600 ) after the Ubuntu splash screen.

The virualBox seems to have completely messed up the keyboard detection how can I rectify this?

The other is regarding the restricting of shell access I have currently done this by removing access to /bin/ for normal users. Is this secure enough or is there a better way?

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Software :: Apache - Protecting Folders View In Webbrowser

Apr 12, 2010

How to protect my /var/www folder in Apache ? When I`m putting wrong url I see the content of /var/www . How to restricted it ? .htaccess ?

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Ubuntu Security :: Can't Change My Password / What To Do?

Jan 4, 2010

I'm new to ubuntu. Now iam using Karmic Koala. I want to change my password. So i used,

system->Administration->users and groups to change my password . As i entered my new password and clicked on 'Change Password', It is saying, 'password changed'. But when I click the close button in the main users and groups window, it is asking for my password, and I am forced to enter my old password only.

After the window is closed, i logout to check whether my password is changed. But it is not. I have to enter my old password to login.

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Ubuntu Security :: Don't Accept The Password

Jul 17, 2010

i set my pass on ubuntu 10.4 and it work so good on installing app but suddenly it stopped working i thought i would restart my pc i tried to inter my pass again ubuntu don't accept it although it's surely true

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Ubuntu Security :: 9.10 - Old And New Password Confusion?

Aug 27, 2010

I had this great idea to try and change the UBUNTU password. So I took not so drastic effort..I went to System>Administration>Users and Groups. There I clicked on my login name.Clicked on Properties and used the Change Password Button to Change my login password. I did that. [I thought this is the way to change the login password]. After that as usual I tried to launch the Empathy! It started asking me about some Keyring password! I gave my new password and it worked. Now, the weirdness of the issue is that..

1)If I want to login to UBUNTU..I have to give the Old Password [The password which I gave when installing Ubuntu;as if the password change has not come into affect]
oO mount..I have to give old password
To update I have to give old password.
But!
2)To get my things done in Empathy..that is to get the Keyring Challenge done! I have to give the new password and old password does not work here.

I want to stop empathy from asking me about the KEYRING thing. Roll back the system to the previous state; before the password change thing. What exactly went wrong or right? and What is really happening to my system. I mean things are all normal, so far..but why the two passwords? I dont use any heavy things on my machine..just a bit of browsing and Empathy..thats all.and only the default applications are installed on my machine. I use Ubuntu Karmic 9.10.

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Ubuntu Security :: Getting A Users Password ?

Aug 30, 2010

I need to be able to capture a users password when they login. I am well aware of the security issues with this and I'm ok with this.

We run a call center and I am working on migrating from windows to Kubuntu for the callers. It's policy that all callers must report their password to me, so I already know of everyone's password. There has to be some variable/script that I can "hack" to get the password they typed in to the login screen.

What I'm trying to do is that when a user logs in in for the first time, their profile is automatically created and set up. Setting up network drives, email, pidgin (which the password is stored in plain text anyway, so forget about security on that one), web apps, etc.

Trying to find information on How to capture a users password and all have been responded with the usual lecture on why you shouldn't do this. So I've heard it all before and I know of the risks. Like I said, I already have the callers password on file. If I could capture it, I wouldn't have to manually setup each profile every time we get a new caller, which is often since turnover is quite high in call centers.

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Ubuntu Security :: How To Change Log In Password

Nov 27, 2010

Is it best to do this via the terminal or gui interface? does this meanthat the home folder encryption password is the same as the old login password?

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Ubuntu Security :: Keyring Keeps Asking For The Password?

Dec 21, 2010

Every time I log in, I get the "password for keyring default" question two or three times, unless I enter it immediately as it pops up, sometimes even that doesn't prevent it from respawning. What could be causing this? I'm using Maverick.

P.S. Hmm, I don't think I'll be watching the lunar eclipse much now, the sky is covered with smoke, maybe it's lunar apocalypse.

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Ubuntu Security :: Password Hacking By Bruteforce?

Jan 4, 2010

I think it is very easy to hack passwords in Linux, but I did not try it yet. If you use sudo you get 3 attempts for the correct password. But if you get enough time it should be no problem to hack it by bruteforce. Imagine a script an attacker places on your machine which runs for a few hours or days. I think it is much more effective to delete the user out of the admin (or adm?) group so that user cannot be any danger anymore. You would have to login with root and readd the user then.

You now say: but if you login with root you got almost the same effect as with sudo. Of course it is the same. That is why I would use a system (not sure which yet) to create sub enviroments of your OS, which got the attribute that they can run without root, only got one account that can sudo and once sudo access is denied there is no other way to login as root. You just can repermit sudo access by the parent os layer.

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Ubuntu Security :: Nm-applet Rejects Password?

Jan 23, 2010

As the title says, nm-applet rejects my password that I'm positive is correct.Using a custom compiz session,

Code:
#!/bin/bash
compiz &

[code]....

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Ubuntu Security :: Starting Up With Auto Password?

Jan 30, 2010

I decided to stop using my password to enter Ubuntu (recently installed) and switch to automatic start up. Hit the relevant key, then restart. Received three notices, closed two, entered pass to get encryption code at third, then nothing but a blank, Ubuntu-colour screen. Unable to open Ubuntu. How the heck to I get myself out of this trap?

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Ubuntu Security :: Password Characters And Length

Mar 24, 2010

I need a little insight, and I�m not sure if the two can relate, but I am trying to find out the following.
When generating WEP Keys the available bits are: 64/128/152/256; however, you need 5/13/16/29 character respectfully for each key if you generate the key manually.Can this formula be applied to passwords and the length of the password? For example: if my password had 29 characters, could I say that my password is 256-bits?

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Ubuntu Security :: Changed Password Now Can't Logni?

Apr 10, 2010

I'm running 64-bit Ubuntu Karmic, Encrypted HDD.I changed my login passwordwhen i try to boot i click on my name and type in my new password i have 'authentication fail' when i type in my old password this happens"could not update ICEauthority file /home/chris/ICEauthority""Their is a problem with the configuration server. (/usr/lib/libconf2-4/gconf-sanity-check-2) exited with status 256""Nautilus could not create the following required folders/Home/chris/Desktop,/home/chris/.nautilusBefore running nautilus, please create these folders, or set permissions such that nautilus can create them."

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Ubuntu Security :: 10.4 Allows To Access Win Partition Without Password?

May 23, 2010

I have a dual boot machine and recently did a fresh install of 10.4. It no longer asks for a password to access the Windows partition and I full access to it. This seems insecure to me and was wondering if someone else came across this. I thought I saw this topic discussed before but I can not seem to find it now. Is this a bug or a new unpleasant feature?I don't think it makes a difference but I do have a separate encrypted home partition on this fresh install. I have also done two fresh installs. (Well three...once testing out KDE but didn't try the Win partition. )

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Ubuntu Security :: Pam_winbind Returns Password?

May 26, 2010

I'm getting these entries in my auth.log file. What is it and why it is returning passwords?

Code:
May 26 12:57:50 infecticide dovecot-auth: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=david rhost=88.148.51.170

[code]....

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