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• Windows 7 random black screen when idle

  - by Omar

  Occasionally, when I'm away from my computer for about 5 minutes, the computer screen will go black and all USB devices (keyboard/mouse) will lose power. Attempting to move the mouse or pressing keys does not 'wake up' the computer. This only started happening a few days ago but I'm not sure what changes I did could have caused this and I uninstalled programs (one by one) I installed before it started happening, but still having the same issue. The one thing I noticed different about my computer since it started happening is i've been getting random survey popups from www.insightexpress.com. I ran Microsoft Security Essentials scan, it picked up some Java related malware, I removed it but still the same issue. I'm running MBAM right now and will run SAS after. Edit: I just updated drivers for motherboard and video card and ran virus scans, still having the same issue.

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• Computers displaying an unwanted password change prompt

  - by evesirim

  We run a small network of users from a central SBS 2008 server that handles group policy & AD. Most of our users operate under a policy that propts them for a password change every 6 months as a security measure, with a few administrator accounts & terminal machines not using the policy for the sake of ease as they are needed all the time. Recently all machines regardless of policy have started asking for a password change out of schedule. Some PCs run Windows 7 & some XP, though the password prompts don't seem to discriminate between OS. What could this be down to? Many thanks

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• Local Group Policy Editor reverting setting to default

  - by Timur Aydin

  On my Windows 7 Ultimate 32bit system, I have changed the following setting: Local Computer Policy - Computer Configuration - Windows Settings - Security Settings - Local Policies - User Right Assignment - Deny access to this computer from the network This setting was by default "Guest" and I deleted this so that Guest can access a defined network share over the LAN. But later, I have changed my mind and wanted to return this setting to its default. So I edited that setting and specified Guest. But the setting became MYWINPC\Guest. So my question is, what is the difference between the previous setting "Guest" and MYWINPC\Guest? And how do I return this setting to its default value, "Guest"?

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• Unable to mount Amazon Public Dataset using ec2-create-volume

  - by the0ther

  I am trying to use a Public Dataset with the snapshot id of snap-­e1608d88. I am looking at these instructions, but they do not seem to help. The first suggestion there says I should click on Volumes and create a new volume, set it's size and availability zone, as well as specifying the snapshot id. The problem is, snapshot id is a dropdown, not a text field, and there are over 100 options in the dropdown. Next I installed the ec2 command line tools and tried to run the ec2-create-volume command. For my first attempt I tried ec2-create-volume --snapshot snap-­e1608d88 --availability-zone us-east-1 but that gave output indicating I need to provide a certificate with the --cert switch. Which certficate exactly? I tried my SSH cert at ~/.ssh/id_rsa. No dice. I got the following Java error: "org.codehaus.xfire.fault.XFireFault: General security error;"

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• Prevent member of administrator group loging in via Remote Desktop

  - by Chris J

  In order to support some build processes on our Server 2003 development servers, we require a common user account that has administrative privs. Unfortuantly, this also means that anyone that knows the password can also gain admin privs on a server. Assume that trying to keep the password secret is a failed exercise. Developers that need admin privs already have admin privs so should be able to log in as themselves. So the question is a simple one: is there anything I can configure to prevent people (ab)using the account to gain administrator on servers they shouldn't have administrator on? I'm aware that devs could disable anything that is put in place, but that's then down to process and auditing to track and manage. I don't mind where or how: it can be via the local security policy, group policy, a batch file executed in the user's profile, or something else.

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• Can not find the source of Grant permission on a folder

  - by Konrads

  I have a security mystery :) Effective permissions tab shows that a few sampled users (IT ops) have any and all rights (all boxes are ticked). The permissions show that Local Administrators group has full access and some business users have too of which the sampled users are not members of. Local Administrators group has some AD IT Ops related groups of which the sampled users, again, appear not be members. The sampled users are not members of Domain Administrators either. I've tried tracing backwards (from permissions to user) and forwards (user to permission) and could not find anything. At this point, there are two options: I've missed something and they are members of some groups. There's another way of getting full permissions. Effective Permissions are horribly wrong. Is there a way to retrieve the decision logic of Effective Permissions? Any hints, tips, ideas?

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• "Deny log on through Terminal Serivces" insists on "Everyone"

  - by Trueblood

  We've got a standalone (non-domain) server where "Deny log on through Terminal Services" contains "Everyone" -- ok, we didn't want that, not sure how it got set, but whatever. We removed it ...and "Everyone" came back. Tried adding "Guest" to the deny list, removing "Everyone" ...which ended up with the setting containing "Everyone, Guest" Clearly there's another setting somewhere that's preempting this one, but it beats me which one. Any ideas? ("Everyone" is being shown as reset upon reloading the Local Security Settings window, so it's possible that it's not actually being changed in the underlying store, and just shows the change in the UI)

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• Converting or playing a .264 video file?

  - by Dan

  I recently bought a Chinese brand DVR (to record security cams). The DVR exports the video files with a ".264" extension. This is my first time ever dealing with this video format. Anyhow I've been trying to convert the videos to any other format so it will be easier to watch the videos. The problem is that I could only find one program that can convert and play those files which is Elecard studio something, and even that Elecard studio thing is having trouble with these files, some of them are just making it crash so I can't convert them. I've tried to find some other programs but I couldn't find anything that can actually play those files. How can I play or convert these files to another format?

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• Logging on to server creates duplicate user profiles in Documents & Setting

  - by Tech

  Windows Server 2003. I am having a problem with the creation of new user profiles when logging in remotely to a terminal server. The new user profile gets added under Documents & Settings as username.domainname. Deleting the new profile does not allow the original profile to be reverted to. Went logging on to the server again, it creates another new user profile. Nothing was changed in the Active Directory or security settings. How do I get the original profile to be used?

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• Any ramifications to disabling ClearPageFile

  - by user34710

  I am runing a Dell XPS 15z with a quad core I7, 8gb ram, 7200rpm hdd, windows 7 ultimate. My laptop was taking around 3 minutes to shut down, which seemed far too high to me. I did a bit of investigation, and it seemed that the ClearPageFile reg entry was set to 1, meaning that upon shutdown my pagefile.sys was being cleared before actually shutting the machine down. When I disable this setting, my laptop shuts down in about 20 seconds - clearly a big gain. My question is, are there any side effects of having this turned off (other than the security risk of the HDD being stolen, and still having any important info that was in the RAM up for grabs)?

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• NetDiag + TCP Blocking?

  - by CrazyNick

  We are facing some issue with the sharepoint 2007 timer jobs everyday at a specific time, so decide to track the tcp blocking informartion during those hours using NetDiag tool. We are not able to find the required information if we uses "netdiag /test:ipsec", what is the command that can be used to pull the TCP blocking information and how to configure it? if i ran the command "netdiag /test:ipsec /debug" it is returning "IP Security test . . . . . . . . . : Skipped", what does it mean?

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• Microsoft DNS Server (Windows 2008) CNAME issue

  - by Lukes123

  I am using the DNS role in Windows Server 2008 R2. I have my records set up correctly with the following CNAMEs: {removed domain names for security} Currently, only the 'wsp' cname works. All the records are identically set up. I have checked with a DNS checker, and the other two CNAMEs do not resolve to anything. I have tried restarting the server, re-creating the forward lookup zone. Can anyone see what is wrong? 'A' records work fine when set.

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• MD5 and SHA1 checksum uses for downloading

  - by Zac

  I notice that when downloading a lot of open source tools (Eclipse, etc.) there are links for MD5 and SHA1 checksums, and didn't know what these were or what their purpose was. I know these are hashing algorithms, and I do understand hashing, so my only guess is that these are used for hashing some component of the download targets, and to compare them with "official" hash strings stored server-side. Perhaps that way it can be determined whether or not the targets have been modified from their correct version (for security and other purposes). Am I close or completely wrong, and if wrong, what are they?!?! Thanks!

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• Blocked Chrome by Company's Proxy

  - by gol.d.ace

  Chrome has just suddenly being blocked by my company for accessing internet. Instead, IE still works fine. It blocks the connection, the error says that my Chrome connection is timeout & the server is not responding Error 118 (net::ERR_CONNECTION_TIMED_OUT): The operation timed out). I guess the reason behind this is to standardize all user's browser for only using IE for security reason. I have tried to change the user-agent string (--user-agent="... ") so that the Chrome will pretend to be as IE. and yet, still not working! Could anyone shed my problem here? IE is just not comfortable so-called for surfing the web!

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• Windows Filtering Platform not turning off until admin logon. Win2008R2sp1

  - by rjt

  Just installed Windows Server 2008R2 SP1 to see if it would fix this problem, but it didn't. Until an administrator logs onto the domain controller, there are many events that WFP blocked a connection from Server60 to Server60 or Server60 to Server70. Both server60 and server70 are the domain controllers. One the admin logs on, the WFP events stop. The firewall is off by default GPO. Yes, i know that the WFP kicks in during the boot up sequence until the firewall takes over or in my case does not take over (since Vista), but i clearly should not have to autologon to a domain controller and call autolock or something. Example event LEVEL = Information Source = Microsoft Windows Security Auditing EventID = 5152 "Filtering Platform Packet Drop" and its evil twin id = 5157 "Filtering Platform Connection" "The Windows Filtering platform has blocked a connection." Direction %%14593 SourceAddress 192.168.10.60 SourcePort 49677 DestAddress 192.168.10.60 DestPort 389 Protocol 6 FilterRTID 65667 LayerName %%14611 LayerRTID 48 RemoteUserID S-1-0-0 RemoteMachineID S-1-0-0 windows-server-2008-r2 WFP BFE WindowsFilteringPlatform BaseFilteringEngine

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• OS X software updates download but don't install

  - by ridogi

  I've got three 10.6 computers that won't install OS X updates. Checking for new software will show about a dozen updates (Security updates, Safari, iPhoto, printers, etc) and if choose install it downloads them. After downloading and then clicking restart the computer sits at the purplish sky desktop with no progress bar, and then after about 3 minutes it goes back to the login window (without ever installing or restarting). If I then select check for updates the same updates will all be presented and I can repeat the process. Manually downloading and installing an update such as 10.6.8 combo updater works as it should, and then check for updates no longer presents that particular update as an option. This seems to be the result of some setting or 3rd party application as I've got 3 out 7 computers experiencing this exact same problem. What could cause this and how can I fix it?

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• How to set the network profile of Windows 7 via group policy?

  - by Ricket

  We are deploying client computers and in testing noticed that the first time the user logs into the computer, it asks them if the location is a home, work, or public location. We are worried that some users in our workplace might misread it (or not read it at all) and click Public, thus likely denying our access to the computer and messing up security settings and such. Can we set our network to be a "Work Network" location via group policy or some other mechanism of our Windows Domain so that the user is not prompted when connected to our network? Also these are laptops, so we don't want every network they connect to be set as work network, and we have several access points (wired and three wireless) which our users often switch between so I'm not yet sure if it reprompts with each access point but I have the feeling it will, and I would like all of these to be set to the Work profile type.

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• Hide directory contents from showing when accessing the URL directly

  - by SoLoGHoST

  On my site, if you browse to http://example.com/images/ the contents of the entire directory are shown like so: How can I make it so that this doesn't show up when people browse directly to http://example.com/images/? Can I create an .htaccess file in that directory? Or is there a better way? I really don't want people being able to do this for the entire site (i.e. every directory on that site). What can I do to prevent this? I figure it's either something that has to be done in Apache or using an global .htaccess file and placing it in the public_html folder perhaps? EDIT I diverted this using an index.php file, but I still feel that security is an issue here, how can I fix this permanently?

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• Does Exchange have ability to run hidden mailboxes?

  - by MadBoy

  Hello, Title of my question may sound a little bit odd but I was thinking if Exchange 2010 or 2007 or any program that would work in conjunction with Exchange has ability to create this structure: Users having their normal mailboxes connected and using them as everyone would in Outlook 2003/2007/2010. Users having additional mailboxes (from old Exchange 2003) attached but hidden on demand of Administrator. For example administrator could easy disable them just like they never been attached making them invisible to users and everyone else. Would be good if such mailboxes could be easily removed out of system (lets say on external drive) by simple step not manual job for 100 mailboxes. Users without ability to copy/move their mails to outside storage (like a local .pst file)? Do you guys have any suggestions on this? I was thinking maybe using public folders but this seems like overkill and not really suited for this. And please don't ask me why I need this type of security (it's not something I requested).

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• How to display password policy information for a user (Ubuntu)?

  - by C.W.Holeman II

  Ubuntu Documentation Ubuntu 9.04 Ubuntu Server Guide Security User Management states that there is a default minimum password length for Ubuntu: By default, Ubuntu requires a minimum password length of 4 characters Is there a command for displaying the current password policies for a user (such as the chage command displays the password expiration information for a specific user)? > sudo chage -l SomeUserName Last password change : May 13, 2010 Password expires : never Password inactive : never Account expires : never Minimum number of days between password change : 0 Maximum number of days between password change : 99999 Number of days of warning before password expires : 7 This is rather than examining various places that control the policy and interpreting them since this process could contain errors. A command that reports the composed policy would be used to check the policy setting steps.

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• Forced to use Outlook Web Access, what are my options?

  - by joon

  My company just enforced an OWA update and disabled IMAP and POP3 access. I don't want to use the webmail, do I have any options? Forwarding is also disabled. I also don't look forward to installing thunderbird or anything else, which is what colleagues are doing. I'd be interested in running some sort of automation script that either forwards the emails, or notifies me somehow that there has been some activity. Disclaimer: This does not concern any illegal activity, as I work at a school. They are not explicitly preventing me from circumventing their bogus security imposition and have given me permission to do so, 'if I can find a way'. Which of course makes me want to do it even more.

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• block access to certain website types

  - by frustrated teacher

  Need to block access to certain website types without listing each URL to block. Students at secondary school are going to porn sites. Need to be able to block all such access without having to list each possible site URL. Having the Content -- Ratings tab set to None for all categories on the ratings files listed on my computers does not prevent access. Unchecking users may access sites with no rating, even with the security settings set to High, still allows the porn sites to come up. If that is checked, then ONLY listed sites can open and students would not be able to do any research via google, for example. I would rather not have to continue checking each computer and blocking sites as they find them.

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• Why do mapped drives only reappear after logging out and back in, and not after a reboot?

  - by razumny

  I work in a corporate environment, where we use mostly Windows 7 Professional computers, though some legacy applications are still being run on Windows XP. We have security in place on the network not to allow access to network resources to computers that are not members of Active Directory. When logging in, our users get their home folder and a common network drive mapped to H: and F:, respectively. Sometimes, this does not happen, and the drives are not mapped. The solution is to have the user log off, and back in to Windows. If they reboot, the drives remain unmapped. Does anyone know why this may be?

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• Lost Root and other user passwords

  - by Webnet

  This isn't a huge deal, because there's very little on the server (literally a file or two) that we actually need off of it. But we disabled root logins as a security measure and can't remember any of our other user passwords. I'm assuming that there's nothing we can do at this point to get into the server? I'm sitting next to the box... Update Oops... actually, I need to export an SVN off of this server. So yeah, there's stuff I need.

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• Remembering sharepoint password in Internet Explorer 8

  - by enableDeepak

  I am using IE8 to open a sharepoint portal on local network. Initially, I clicked on remember password after passing domain credentials. However, now I want sharepoint to ask credentials again. I've tried many options - Deleted all cookies, IE Security Tab Form Autocomplete Deleted everything. Restarted my machine. And all I could do. Still, when I open portal, sharepoint logs me in automatically. What should I do to make IE ask for credentials again?

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