1
vote
2answers
30 views

Is this a security risk/concern?

According to: http://wiki.secondlife.com/wiki/Linux_Viewer#Installing_and_Running The Second Life Linux client entirely runs out of the directory you have unpacked it into - no installation step ...
0
votes
0answers
12 views

problems gaining root access and installing software due to authentication. [duplicate]

I have a laptop that had ubuntu installed, however though many ownerships, the pass word is lost, anyway of removing this absolute shite of an install block. every time I try to do something it asks ...
1
vote
1answer
20 views

Terminal message “Access control disabled”

Every time I open up the terminal the message access control disabled, clients can connect from any host pops up in the first line. Then the terminal behaves as usual, no errors at all. But this ...
3
votes
2answers
94 views

Will an upgrade of Ubuntu to a new LTS change SSH host key

I have recently upgraded my computer from ubuntu 12.04 to 14.04 LTS (in one step). After the upgrade, however, I got well-known warnings like ...
0
votes
2answers
52 views

Security Objectives [closed]

New to Linux New to Ubuntu Objective: Better understanding security Ubuntu 12.04 LTS Hello, I am going through the security guide on Ubuntu documentation, and I am getting demotivated fast. I ...
4
votes
1answer
396 views

Is having Lubuntu 12.04 a security risk?

I have a computer with Lubuntu 12.04 installed. Since unlike Ubuntu 12.04 Lubuntu is not LTS, I will not get Lubuntu updates. However, I am still getting updates (I guess these are the general Ubuntu ...
0
votes
0answers
29 views

In sysctl.conf settings, what is the difference between 'all' & 'default'?

In context of sysctl.conf settings, what is the difference between (all vs. default) like net.ipv4.conf.all.accept_source_route & net.ipv4.conf.default.accept_source_route in sysctl settings ? ...
0
votes
2answers
46 views

Is the latest provided php5 package in an LTS distribution secure?

I need to update php5 on a 12.04 LTS production server. The latest candidate provided is 5.3.10-1ubuntu3.9. Is that version patched to be secure for use in a production environment? PHP is up to ...
1
vote
1answer
383 views

Man in the Middle Attack warning with OpenVPN

When using openvpn --config /home/xxx/vpnbook-uk1-udp25000.ovpn I always get this warning: Sat Feb 22 11:16:04 2014 WARNING: No server certificate verification method has been enabled. See ...
2
votes
1answer
994 views

Virus detected with ClamTK (Possible infection?)

I did a routine scan of my system, with ClamTK. The the anti-virus reported 3 detections. The names of the three detections are: 1.[PUA.Phishing.Bank] 2.[PUA.Phishing.Bank] 3.[PUA.Script.Packed-1] ...
0
votes
0answers
18 views

is it possible to to use ssmtp with PSAD

I have been searching online and I haven't seen yet a way to use PSAD with the simple ssmtp. I would be grateful if anyone can share a link or shed a light on configuration. I believe it will be an ...
1
vote
1answer
22 views

is denyhost central database stored locally?

I was tasked to write a security policy to apply to any ubuntu server we deploy at a client's site. Knowing how some of the corporate are restrictive on what resource is available to what box on their ...
0
votes
1answer
49 views

Ubuntu One-related question - How to share files securely?

I have procrastinated this question a lot because I know it is a complex and a "crossover". That's why I have hesitated if to ask it here, on Ask Ubuntu, or somewhere else, let's say, Freelancer or ...
0
votes
1answer
111 views

can not paste or make new folder on file system directly with out gksudo nautilus?

I have installed ubuntu 12.04, But I can not paste or make new folder in File system, however I can paste new files with gksudo nautilus, but how can i do directly without gksudo nautilus??
-1
votes
2answers
496 views

How to create a root privilege file for a normal user?

I got a scenario where a customized Ubuntu 12.04 Linux OS has a read only filesystem which doesn't have terminal access. My goal is to create a file with root access using normal users permission. I ...
0
votes
1answer
357 views

Alternative Open Source software to GFI end point security

What are the GUI open source alternatives To GFI end point security for Windows? knowing that i'm using Ubuntu 12.04 64bit Thanks in advance...
0
votes
0answers
55 views

Tomcat 7.0.26 in Ubuntu 12.04 LTS missing a security update?

The default error pages in tomcat7 displays information about the hosting system. And before version 7.0.29 there was not much one could do about it (unless using tomcat 5 or 6). The way of hiding ...
0
votes
2answers
182 views

When will Ubuntu include Digital Certificates from Govt of India Root CA PKI CCA India 2007?

Ubuntu for all platforms (laptops+mobiles) must respect and contain Government of India's Root CA and CA Certificates and improve compliance with Indian IT Act 2000 (Cross Certification) and law ...
0
votes
1answer
282 views

basic security ubntu 12.04 LAMP server quesrions [closed]

I have a few questions about security on my ubntu 12.04 LAMP server (newbie) This is what I´ve done so far: Install and configure Firewall - ufw Secure shared memory - fstab SSH - Disable root ...
1
vote
1answer
169 views

USB PAM login with SD Card

I am trying to set up a PAM login token. I want to use an SD card instead of a normal USB flash disk. When I run the pamusb-conf to set up a new device, with the SD card inserted, it says that there ...
1
vote
1answer
21 views

Is there any way to get CVE or USN ids that need to be installed?

I'm looking to pull in what CVE or USN ids that apply to a security update before doing them. Is there any way?
2
votes
1answer
119 views

Dash icon does not work

Below is the contents in the ubuntu-software-center-desktop file. The Dash Home does not show the contents when it is opened up. The Icon is black and does not respond when you place your courser ...
0
votes
1answer
4k views

flashplayer security doubts

I am an Ubuntu newbie and I installed Ubuntu Desktop 12.04, 64 bit. As I noticed the Firefox is the actual version, but the Adobe Flashplayer was the 11.2 version which has, I guess, some security ...
0
votes
1answer
383 views

Incoming ssh connections blocked

Hi some time back I asked this question and made a lot of changes to secure my system. Now I need to make a dummy account and give ssh access of this account to a friend. But I am unable to receive ...
5
votes
1answer
6k views

How to enable auto security update in Ubuntu 12.04 Server [duplicate]

When I installed the Ubuntu 12.04 Server in my VM, I chose to manually update security. My question is how can I enable it again? I know there are other packages that do auto update, but I'm just ...
0
votes
1answer
4k views

vsftp configuration issue

i have installed vsftpd in my local mechine ubuntu 10.04 also in remote server ubuntu 12.04 i have done same configuration for both of the mechines. but in server when user logs in usging ftp ...
1
vote
1answer
35 views

Question about 0x08059081

currently doing some homework to improve my skills. I tried to run a file by using gdb, but I encountered 2 errors as shown in the picture below. 0 0x08059081 1 0x080493c6 May I know what is #0 ...
1
vote
1answer
170 views

Admin name appears twice if it asks for admin password. Ubuntu 12.04 LTS

I was trying to apply some given items at this page to secure my Ubuntu 12,04. After applying item number 4; my user name which is the only admin, appears twice if system asks for an admin password as ...
2
votes
1answer
130 views

What system tool is reporting this error and how to diagnose?

In the last week, every time I turn my Ubuntu (12.04) machine on, and sporadically throughout operation (about every 1hr that I'm actively using it), I get the following popup from the system: When ...
2
votes
0answers
109 views

How can I configure sudo to prompt for password and show the executed command?

The title says it all. How can I configure sudo to prompt for password and show the executed command? Rationale: if something gets aliased in the shell or I end up executing a function sudo instead ...
2
votes
0answers
772 views

Unable to fork: Cannot allocate memory

frequently getting 'fork: Cannot allocate memory' when running commands over ssh. I have 64Gb of RAM and usually 1~2Gb free. swap is more than 8gb free Ubuntu version:"Ubuntu 12.04.2 LTS" Desktop ...
2
votes
2answers
334 views

Using linux/ubuntu to combat windows flash drive malware?

I had asked this question on ITSecurity @ Stack Exchange also. There may not be may linux distro users in ITSec, but obviously there are many here. So, I think that it might be appropriate to put that ...
5
votes
4answers
4k views

Autoexec.bat equivalents for Ubuntu that run with root privelidges?

On Ubuntu there must be several "autoexec.bat" equivalents as I can see files like rc.local which seem to do very little because the comments in the file says it doesn't work by default and I tried ...
1
vote
1answer
56 views

Security bug when switching user account

I face the following security issue on Ubuntu 12.04, Classic desktop. There we have 6 user accounts on the machine. One user logs on. Ok. Then a second user is using the User switcher logs in as well. ...
3
votes
4answers
226 views

Using NX Server Securely?

Recently, I built a computer running Ubuntu and gave it away to a relative. I'm willing to give them IT support for free, but they live 50 miles away. The Solution? A NX Server. I setup the Node, ...
2
votes
1answer
405 views

Cronjob for security updates?

I'm having trouble creating a cronjob for automatic security updates on my ubuntu server 12.04. I separated the security sources into a different file, and then did this from within a cronjob: ...
1
vote
0answers
19 views

How to make Ubuntu let me manage the Virus Security? [duplicate]

Possible Duplicate: Do I need to have ‘antivirus software’ installed? Ubuntu 12.04. (Sorry if this is a duplicate) On my previous version of Windows (I've deleted that) I was able to ...
7
votes
1answer
261 views

How disable mysql command in sudoers file?

How can I disable /usr/bin/mysql command in sudoers file? I've tried to use it this way: %tailonly ALL=!/usr/bin/mysql But when I access user 'tailonly' of group 'tailonly', this command is still ...
7
votes
1answer
482 views

What to do about this gnome-keyring message? [duplicate]

Possible Duplicate: Why do I get this warning from Gnome keyring in Xubuntu? I upgraded from ubuntu 10.04 to 12.04 and installed lxde. Since then whenever I try to print some file (or use ...
6
votes
1answer
2k views

How do I encrypt a dual boot system?

I have a dual-boot laptop with four partitions - Windows, swap, Ubuntu (OS) andUbuntu /home. I need to do full disk encryption on it. Ubuntu is running 12.04, Windows is Windows 7 Home Premium.
3
votes
3answers
389 views

SSH key plus password

I see there are continuous attempts to login into my computer via ssh using usernames, like joan florin root from 60.169.22.118, -how can I forbid ssh access and only allow it to users with specific ...
1
vote
0answers
62 views

Potential security problem of passwords and key

Is this a potential security problem for ubuntu? I can access the "passwords and key" function without key in password.
5
votes
2answers
774 views

Precautions during SSH [duplicate]

Possible Duplicate: How can I audit users and access attempts to SSH on my server? I recently had to give away my Ubuntu 12.10 root password to one of my friends so that he could SSH into ...
2
votes
1answer
163 views

Security enhancements, prevent mounting /dev/sdb1 [closed]

Overview I am running Ubuntu 12.04 - 64bit - Gnome3 as my preferred Operating System at work. However after recently taking time off, I return to my desk finding my machine was broken in to (I am ...
0
votes
0answers
118 views

How do I disable guest session on Ubuntu 12.04LTS? [duplicate]

Possible Duplicate: How do I disable the guest session? I don't really want anyone else being able to use my computer. How do I disable the guest session option that you get when being ...
0
votes
1answer
74 views

What do the 68 group symbols in KeePassX stand for in detail?

KeePassX 0.4.3 > Menu > Groups > Add New Group > (Group Preferences) > '>' lists 68 group symbols. What do these 68 group symbols stand for in detail? The KeePassX handbook does not explain that. I ...
3
votes
2answers
438 views

If I enable ufw, and disable ssh. Is my base install Ubuntu 12.04 safe from the outside world?

I installed Ubuntu 12.04 I then installed Gufw, enabled it and Set every known application setting to "Deny". I never installed sshdaemon so I think its off. My machine still responds to pings... ...
3
votes
2answers
151 views

Where will my full name be used?

During installation, the installer told me my name would be used for things like the default 'from' in emails. So now I'm wondering: Where else will my name be used? What benefits do I get from ...
0
votes
1answer
222 views

Can we add back track tools to 12.04?

If possible, then how can I add the tools available under Back Track Linux to my Ubuntu 12.04 distribution. I prefer their functionality from the terminal.
1
vote
0answers
77 views

Is it safe to install applications from PPAs? [duplicate]

Possible Duplicate: Are “PPA's” safe to add to my system, and what are some “red flags” to watch out for? What is the risk in adding an unknown PPA? I have ...