Security in terms of "computer security", such as protection of information, protection from theft or data destruction.

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53 views

Prevent access to my PHP page source?

If I publish a PHP page (e.g. mypage.php) on my hosted web space (the URL of the PHP page is publicly known, e.g. http://example.com/mypage.php), can a hacker access in some way the PHP source of this ...
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0answers
20 views

Unable to connect to FTP server (pure-ftpd) with SSL/TLS enabled

I have two machines inside my private network: one running Ubuntu 10.04 with pure-ftpd FTP server with SSL/TLS enabled, and another running Windows 7. I have configured my FTP server for SSL/TLS for ...
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0answers
18 views

Removing a Redirect Virus from Fedora Linux

Seems like there is a redirect virus on my computer but I am not able to remove it or even find where exactly the problem is. There is nothing much about it on the Internet either. I am running Fedora ...
5
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1answer
267 views

Why is data still recoverable after writing zeros to a harddrive? [closed]

If you write 0s to the entire HDD, why is it that data can still be recovered? Why would you need to perform more than one pass?
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3answers
99 views

How secure is a password with English words? [closed]

I typed the following password in howsecureismypassword.net yummy candy yummy It said it would take 100 billion years for a pc to crack. Is this accurate? Even though it has English words (that ...
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0answers
7 views

How to make an exception in a pam module?

I have 2 servers: A and B. I want A to connect to B via ssh (as a non-root user) to run a sudo command. But sudo on B requires a yubikey input to allow the command: auth required pam_yubico.so ...
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1answer
24 views

Is it safe to git clone https://usr:PWD@gitserver/repo with plain text passphrase in the URL?

Is it safe to git clone https://usr:PWD@gitserver/repo with plain text passphrase in the URL?
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90 views

Java 8 Update 25: Security settings won't allow a website even after adding to the list

I've been attempting to allow a website to run an unsigned applet, and even after multiple re-installs and security changes, Java still informs me upon launching the applet that security settings ...
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1answer
39 views

“Anonymous logon” happen once in a while on my machine

There is some random "Anonymous logon" session happening once in a while from 3 machines in our company, 3 machines on around 1000. I have a windows 7 enterprise 64 bits edition. I have all updates ...
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1answer
39 views

Get username of a thread

How to gather the username/SID/account of a particular thread? No, I am not looking for account of the process, but of specific thread. I've looked-up Process Explorer, but it doesn't show ...
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0answers
67 views

Very high CPU usage on Linux server

I have the following server: Ubuntu 14 LTS 64 bit Linode Hosting fail2ban enabled firewall enabled SSH root login diabled and only key access to server. Problem: When I run htop, it shows high ...
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0answers
94 views

Security Essentials suspecting explorer.exe and logging behavior warnings?

Most times I log into my Windows 7, Microsoft Security Essentials will tell me that I should upload C:\Windows\explorer.exe to Microsoft for analysis. It does however not tell me why. I checked the ...
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17 views

LaCie 2big, use existing disks (not formatted by the device)

About the LaCie 2big Quadra: I have 2 x 1T disks that have been formatted and used on Linux (not on LaCie). It happens that both disks have the exact same partitioning, while the content data is ...
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0answers
55 views

Setting my computer to the correct date and time stops website security certificates from validating

I recently got a new computer and I've come across a peculiar issue related to internet security certificates and setting my time in Windows. Here is my sequence of events thus far: Booted new ...
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1answer
47 views

Do I need to set a wifi password if I live on large property? [closed]

To reach my wifi, an intruder would need to enter a fence and sit next to the house. It seems unlikely, so I'm getting pushback from my housemates. Does not entering a password potentially make it ...
0
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1answer
49 views

Log file for ssh attempts?

I have an old Macbook running Yosemite which I've connected to the internet via my college network. I foolishly enabled ssh access while my computer had a weak password, and now I want to check my ...
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1answer
36 views

Why Access denied when removing files/folder on Windows

What does really happen when I try to remove a folder on windows (7, 2008, 2012) and get the "famous": You need permission to perform this action ... Folder Access denied What I've done : I ...
3
votes
2answers
165 views

Unlock External HD after locker has been deleted

I used lockMyDrive software in order to lock my external hard drive. The software locates the interface, where the user should insert the password, in the external hard drive itself. Everything was ...
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1answer
46 views

Recommended protection from inbound traffic and set up of 3 vlans on home network [closed]

There are so many questions out there on this topic without the answer I'm looking for. They talk about basics like WPA2 and how to get neighbors to stop using their Wi-Fi.... Perhaps I don't know the ...
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2answers
57 views

Does Outlook prevent unauthorized Windows users from accessing a .PST file?

If one creates a .PST file in Microsoft Outlook and does not specify a password during creation does Outlook automatically prevent other users from accessing the data in the .PST file? If not, is ...
0
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1answer
80 views

Windows 8/8.1 UEFI Secure Boot custom keys

Is there the ability to run the OS Windows 8/8.1 with custom keys? I created my certificate with "makekert" utility, then i use signtool to sign files "memtest.efi", "bootmgfw.efi", "bootmg.efi", ...
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2answers
41 views

Should I be worry after opening suspicious Email attachment?

Yesterday, I have received this following suspicious email Normally, I would not click on any of the email attachments if I am not sure about the origin of it. But yesterday, I accidentally opened ...
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0answers
17 views

Google Drive - restrict access to an e-mail domain, but allow open access within that domain

I have a Google Drive spreadsheet and I would like to allow anyone with a @foo.com email to edit it, but prevent anyone else from seeing it. Is that possible directly within Google Drive? If not, is ...
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1answer
30 views

How to protect an SMB shared directory with a password on WIndows Server 2008?

There is this directoy inside a shared resource that's accessible to everyone and I have to secure it so only one user can have access to it, so I proceeded to create their account and then set the ...
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2answers
13 views

Dangers of Authenticity to host can't be established?

I am trying to connect to a server. I connect to it and add a file or two then disconnect. I just got this message when connecting on a new machine: The authenticity of host 'mytestingserver.com ...
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0answers
60 views

Automate Interactive method of authentication for file transfer

Interactive method of authentication There is a server A and Server B Server A is the File Transfer server It has the files stored in it and we issue command scp admin@IP of REMOTE ...
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1answer
58 views

Unable to reinstall MSE or Forefront Protection on Windows 7 x86_64

One of the administrators in our company has recently had a trojan (Upatre.A), they managed to detect this with Microsoft Security Essentials and it told us it was removed. She continued to report her ...
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2answers
71 views

How to stop Internet Explorer from blocking ActiveX controls on local files

Often, when I open HTML files on my C drive with Internet Explorer, I get a message saying that IE has blocked some ActiveX controls in the page. I then have to click a button to see the page. How can ...
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2answers
128 views

TeamViewer wants a password for the Options dialog

I can login to my TeamViewer account but when I try to add a computer to the "Computers & Contacts" dialog I get a login prompt. This doesn't accept my account password. What other password is ...
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0answers
2 views

Mac Terminal Foreign Host-Name

When I was recently connected to a coffee shop wireless network using Terminal for some coding I saw a foreign "preface" (if that is the right word) before my username. Rather than Normal_Name:~ ...
0
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1answer
53 views

Access denied on a directory (my own): So locked down that everything fails from icacls to takeown

On my Windows 8.1 system, I have a folder called "D:\Benutzer\Alle\Musik" (I'm german, this is like Users/All/Music) which was linked to the Music library folder in windows. I decided to add my music ...
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1answer
87 views

Unable to read an email protected by Rights Management Service

My colleague received an email from H company. This email is protected by Microsoft Rights Management Service. His email client is Outlook Express, and he use POP3 to received it to local disk (the ...
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2answers
4k views

How come one user can delete another user's 755 files?

I have a backup upload script that scp’s files to another server using the user upload. Another script on the target server then chown’s these to another user and sets the file mode to 755. If I then ...
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1answer
55 views

Secure PHP in user directories

I'm a sysadmin for a small server at my university, which is used by students to experiment and run long jobs at their will. I enabled PHP in user directories so they could experiment with websites ...
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1answer
38 views

Block traffic to server based on known bad hosts list

there used to be a project like denyhosts that would block bad ips from reaching your server but as far as i understand that is now dead? ...
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0answers
38 views

Disable 'Windows Security' Dialog

In Windows XP can I disable the 'Windows 'Security Dialog box using regedit? Heres what it looks like: Regards, Snipe
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1answer
46 views

How do I report vulnerabilities in Windows?

I have been looking for vulnerabilities in Windows 8 and Windows 7, and would like to report them to Microsoft. Some are extremely important including one that compromises the user's key store ...
0
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1answer
78 views

How to apply only security updates on CentOS?

Ive tried what this article describes: yum install yum-security Next step is yum list-security but the result of this is: Loading mirror speeds from cached hostfile * base: mirror.anl.gov * ...
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3answers
412 views

How to determine what is running in DLLHOST.EXE that's missing /ProcessID switch?

I have multiple dllhost.exe processes running on my computer: Every one of these image's command line is missing (what I am thinking is) the requisite ...
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2answers
47 views

unable to change the security properties on PDF file to password protect it

I have PDF file I scanned. I am unable to change the security setting to add password it it. Here is link how to password protect it and also the screenshot for the gray'ed out security propety. I ...
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0answers
13 views

How to make Pixaria work without ini_set()?

I am working on a server which has Pixaria installed. After wasting (yes, completely wasted) hours trying to find out why it showed a blank page, I finally decided to try to enable ini_set() in ...
1
vote
1answer
62 views

How to remove error “Warning: ini_set() has been disabled for security reasons”, *without* enabling ini_set?

I don't want to turn on ini_set() for security reasons. So per CSF's recommendation, I did add it to be unset. However, a drupal site gives this error, but I want to remove the error (or hide it) ...
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2answers
68 views

Why is allowing root login via FTP( on cPanel) a considerable security risk?

I find it very convenient to administer my whole server by logging in as root. However, CSF tells me that it is a "considerable risk" to allow login to FTP via root, and other websites I googled ...
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1answer
16 views

How to hide Gnupg passwords when doing back ups with Duplicity?

I have been following some tutorials for Duplicity back ups. It is all fine except that everyone seems to be putting their Gnupg passwords in scripts or plain text files which sounds crazy stupid ...
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1answer
112 views

“DoS attack: Smurf” in router logs - should i worry?

Here is 2 day filtered log from my Netgear 6300 Router. It seems that I am constantly having SMURF attacks. Based on my router settings it seems that I am being protected. I have "Disable Port Scan ...
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0answers
26 views

how to verify linux server security vulnerability?

I'd just install RHEL7, how do i certify that my server is free from vulnerability, virus or malware?, is the any tools or script that i can use to verify it? tq regards adabi
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1answer
9 views

Reversing AppArmor log line to rule

I am looking for a way to easily reverse a single line from /var/log/syslog reported by AppArmor for a profile in complain mode. I have seen that using aa-genprof that it uses what is reported to the ...
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1answer
22 views

Workaround for Mavericks OSX for Java security

Is it possible to run a version of Java on OSX Mavericks that allows for "medium" security settings? This setting is required for my business' web-based remote access portal. Any suggestions/tips ...
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1answer
58 views

Where is the Windows Security Button or what does it look like? [duplicate]

Log in says Press CTRL + Alt + Delete or use the Windows Security button to unlock this computer. Nothing happens when I press CTRL Alt Delete. So, where is the Windows Security Button?
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28 views

How can I get my company proxy's root certificate (with Firefox)?

I'm facing a similar problem as in Firefox: This connection is untrusted + Behind corporate firewall that is, I'm getting "this connecting is untrusted" whenever I try to connect via https, as ...