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• Remote Access Without Explicit Permission: Convenience or Liability?

  - by routeNpingme

  For outsourced professional IT remote support, one habit most new technicians get into is the "instead of getting the user to start up remote support each time, I'll go ahead and install LogMeIn / GoToMyPC / Remote Desktop / whatever so that if they call again, I can just jump on and help them". This of course opens up a potential liability because a client PC on a network that we don't own is being accessed without a user explicitly providing permission by clicking a "Yes, allow technician to control my PC" option. I realize the rules totally change when you're an IT admin over a network that you "own", but this is outsourced IT support. Just curious what others' policies are. Is this an acceptable practice for convenience and I'm turning into one of those "security is more important than anything" people, or is this really a liability?

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• compressed archive with quick access to individual file

  - by eric.frederich

  I need to come up with a file format for new application I am writing. This file will need to hold a bunch other text files which are mostly text but can be other formats as well. Naturally, a compressed tar file seems to fit the bill. The problem is that I want to be able to retrieve some data from the file very quickly and getting just a particular file from a tar.gz file seems to take longer than it should. I am assumeing that this is because it has to decompress the entire file even though I just want one. When I have just a regular uncompressed tar file I can get that data real quick. Lets say the file I need quickly is called data.dat For example the command... tar -x data.dat -zf myfile.tar.gz ... is what takes a lot longer than I'd like. MP3 files have id3 data and jpeg files have exif data that can be read in quickly without opening the entire file. I would like my data.dat file to be available in a similar way. I was thinking that I could leave it uncompressed and seperate from the rest of the files in myfile.tar.gz I could then create a tar file of data.dat and myfile.tar.gz and then hopefully that data would be able to be retrieved faster because it is at the head of outer tar file and is uncompressed. Does this sound right?... putting a compressed tar inside of a tar file? Basically, my need is to have an archive type of file with quick access to one particular file. Tar does this just fine, but I'd also like to have that data compressed and as soon as I do that, I no longer have quick access. Are there other archive formats that will give me that quick access I need? As a side note, this application will be written in Python. If the solution calls for a re-invention of the wheel with my own binary format I am familiar with C and would have no problem writing the Python module in C. Idealy I'd just use tar, dd, cat, gzip, etc though. Thanks, ~Eric

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• Filtering Client IP from Access Log for Urchin

  - by Ram Prasad

  I have some apache logs to process, and since the webserver behind two levels of reverse proxies, I am getting two IPs in the X-Forwarded-For header.. for example: 208.34.234.55, 127.0.0.1 - - [29/Oct/2009:21:38:13 -0500] "GET /monkey.html HTTP/1.0" 200 20845 0 0 "http://www.monkey.com/" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.15) Gecko/2009101601 Firefox/3.0.15 (.NET CLR 3.5.30729)" Now, how do I filter this in Urchin (or remove this in Apache logging) so, 127.0.0.1 is removed from processing. Currently urchin is not able to recognize the multuple IP address so it does not log the remote IP

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• Add version control to existing SQL Server database

  - by ederbf

  I am part of a development team currently working with a database that does not have any kind of source control. We work with SQL Server 2008 R2 and have always managed the DB directly with SSMS. It now has ~340 tables and ~1600 stored procedures, plus a few triggers and views, so it is not a small DB. My goal is to have the DB under version control, so I have been reading articles, like Scott Allen's series (http://bitly.com/9cJmGR) and many old SO related questions. But I am still unable to decide on how to proceed. What I'm thinking of is to script the database schema in one file, then procedures, triggers and views in one file each. Then keep everything versioned under Mercurial. But of course, every member of the team can access SSMS and directly change the schema and procedures, with the possibility that any of us can forget to replicate those changes in the versioned files. What better options are there? And, did I forget any element worth having source control of?

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• Which is better for multi-use auth, MySQL, PostgreSQL, or LDAP?

  - by Fearless

  I want to set up an Oracle Linux 6 server that gives users secure IMAP email (with dovecot), Jabber IM, FTP (with vsftpd), and calDav. However, I want each user logon to be able to authenticate all services (e.g. Joe Smith signs up once for a username and password that he can use for email, ftp, and his calendar). My question is, which database service will be best suited for that application? Also, is there a way to link the database with the preexisting server shell logins (e.g. so I can read the root account's LogCheck emails on a different device)?

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• Limiting and redirect port access with useragent

  - by linuxcore

  I'm trying to write iptables string match rule To block http://domain.com:8888 and https://domain.com:8888 when it matches the supplied string in the rule. And another rule to redirect the ports also from 8888 to 7777 I tried following rules but unfortunately didn't work iptables -A INPUT -p tcp -s 0.0.0.0/0 -m string --string linuxcore --algo bm --sport 8888 -j DROP iptables -t raw -A PREROUTING -m string --algo bm --string linuxcore -p tcp -i eth0 --dport 8888 -j DROP iptables -t nat -A PREROUTING -p tcp --dport 8888 -m string --algo bm --string "linuxcore" -j REDIRECT --to-port 7777 iptables -A INPUT -t nat -p tcp --dport 8888 -m string --algo bm --string "linuxcore" -j DROP I want to do this from iptables not the webserver because the server may not have a webserver and those ports are working on internal proxy or something like ..etc

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• NoSQL vs. MySQL when scalability is irrelevant

  - by Bryan Ward

  Recently I have read a lot about different NoSQL databases and how they are being effectively deployed by some major websites out there. I'm starting a project in which I think the schema-free nature of a database such as MongoDB would be tremendously useful. Everything I have read though seems to indicate that the main advantage of a NoSQL database is scalability. Is choosing a NoSQL database for the schema-free design just as legitimate a design decision as that of scalability?

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• Samba access works with IP address only

  - by Sebastian Rittau

  I added a Debian etch host (hostname: webserver, IP address: 192.168.101.2) running Samba to a Windows network with a Windows 2003 PDC (IP address 192.168.101.3). The Samba server exports a public guest share, called "Intranet". The server shows up fine in the network, but trying to click on it produces an error dialog, stating I don't have the necessary permissions. So does entering \webserver manually and using \webserver\internet states that the path does not exist. Interestingly, accessing the share by IP address (\192.168.101.2 or \192.168.101.2\intranet) works fine. DNS is configured correctly, and "smbclient //webserver/intranet" on another Linux client works fine. One complicating issue is that the webserver is only a VMware virtual machine running on PDC server. Here is our smb.conf: [global] workgroup = Foobar server string = Webserver wins support = yes ; commenting out these wins server = 192.168.101.3 ; two lines has no effect dns proxy = no guest account = nobody [... snipped some unrelated bits, like logging ...] security = share [... snipped some password-related things ...] domain master = no [intranet] comment = Intranet path = /srv/webserver/contents browseable = yes guest ok = yes guest only = yes read only = yes create mask = 0775 directory mask = 0775

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• How to connect to a SQLite database in iphone

  - by Lee

  I am attempting converting an application from VB6 to an iphone app. In the VB version, the database is in Access. But, I have read that I need to convert it to SQLite. How I amend the following code to switch from Access to SQLite? cnList = new ADODB.Connection(); rsList = new ADODB.Recordset(); cnList.Provider = "Microsoft.Jet.OLEDB.4.0;"; cnList.ConnectionString = "Persist Security Info=False;"+CString("Data Source=cbe.mdb"); cnList.Open();

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• nginx: rewrite URL but have original URL stored in access.log as 200

  - by mhambra

  I'm setting up a link tracking system, which (temporarily) involves adding /link/id/ in front of URL (like http://server/data/id/publication/id/). rewrite data/id/(.*) http://server/$1; The request is logged as: ip - - [17/Nov/2011:10:07:19 +0300] "GET /data/id/publication/id.html HTTP/1.1" 302 154 "-" "UA"` For some reason (keeping the compatibility with AWStats) it is wanted to have 200 logged instead of 302. (nginx allows to get 301 code out of box with permanent option, but thats inappropriate too) What are my options here? Will the combination of location { } and rewrite do the job?

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• Storing database settings outside app.config

  - by Piers

  I've been writing a c# exe that will be running on a live web server, but I want to be able to test it on our staging server. Since the staging server has different database settings (in the app.config) from my localhost, is there any way I can store the connection string outside the app.config so that I can easily get to it? Also, is it possible to store the database connection string, then access it via the app.config? This might sound odd, but I'm using a dll from a CMS that uses the value in the .config file.

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• hardware: delay and distinct 'click' before hard drive access

  - by matt lohkamp

  I have a windows 7 box stashed away in my closet, containing (among other things) 2 big HDDs linked together as a mirrored volume - basically a super lazy NAS / media server. I've noticed that when that drive is accessed (whether locally, on the machine itself, or remotely, from another computer, or my xbox, for example) there's a noticeable pause, and then from the computer itself, a 'click!' noise, after which the drive is accessed; e.g. open \\computername\shared\, wait 2 seconds, hear 'click!' and then see files appear in windows explorer. Any ideas? Otherwise the drive preforms normally - is it a windows thing? a HDD-about-to-die thing? Or a "yeah that always happens, you've just never noticed it before" thing?

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• Windows: disable remote access of local drive, even by domain admin

  - by Matt

  We have a network of Windows 7 PCs that are managed as part of a domain. What we want is for the domain admin to be unable to view the PC's local drive (C:) unless he is physically at the PC. In other words, no remote desktop and no ability to use UNC. In other words, the domain admin should not be allowed to put \\user_pc\c$ in Windows Explorer and see all the files on that computer, unless he is physically present at the PC itself. Edit: to clarify some of the questions/comments that have come up. Yes, I am an admin---but a complete Windows novice. And yes, for the sake of this and my similar questions, it is fair to assume that I am working for someone who is paranoid. I understand the arguments about this being a "social problem versus a technical problem", and "you should be able to trust your admins", etc. But this is the situation in which I find myself. I'm basically new to Windows system administration, but am tasked with creating an environment that is secure by the company owner's definition---and this definition is clearly very different from what most people expect. In short, I understand that this is an unusual request. But I'm hoping there is enough expertise in the ServerFault community to point me in the right direction.

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• database change after pressing 'X' button

  - by Anup Prakash

  What i know:- We can use Ajax to change database from javascript. So whenever we press the 'X' button on title bar it calls "onbeforeunload" event. And by this event we can change the database. But in my case, i want to change the status of user only when user click on 'X' button. Not in case of changing the page. As because changing the page is unloading the page. and closing the page is also unloading the page(As much i know). Is there any way to differentiate between closing the page and moving from one page to other page? I want to use it for changing the status of user(i.e. login/logout), whenever he presses cross button. I don't want to set status "logout" when user changes the page. I want to set status "logout" when user 'X' the button. Plese help me.

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• Google Docs revision/access control

  - by brainjam

  I've worked on shared Google Docs with family members, but don't really know how or whether Google prevents two users from modifying the same document at the same time .. and clobbering one another's work. How does Google Docs handle this .. is a document 'locked' whenever somebody opens it for revisions? I haven't been able to see an answer for this in their documentation/help.

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• gpasswd and access to a file or directory

  - by PeanutsMonkey

  As I understand it if I run the command gpasswd -A username directoryname I assign administrator privileges to username for the directory directoryname. This means that username is able to add new members to the group for directoryname without root privileges. Does this also mean that username belongs to the group or do I need to add username to the group using the commands usermod, gpasswd -a or gpasswd -M

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• using delete or update command in a function

  - by anand-juventus

  can we use delete or update command inside a function in sql server 2005 database or any other database?

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• submit the value of check box in database

  - by ritu

  <?php $dates = $day1 ; echo "<p>"; for($i=0;$i<count($dates);$i++) { if($i>0 && ($i%3==0)) { echo "</p><p>"; } echo "<input type='checkbox' name='dates[".$dates."]' /><label>".$dates[$i]."</label>"; } echo "</p>"; ?> whan i use this output will be desire Ex 1 2 3 4 5 6 but i want send his data in the databse but only a array will be send into the database $_post[dates so can any on telll me how can i send the data in the database

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• Create database in Shell Script - convert from PHP

  - by snaken

  I have the following PHP code that i use to create a databaase and grant permissions to a user: $con = mysql_connect("IP.ADDRESS","user","pass"); mysql_query("CREATE DATABASE ".$dbuser."",$con)or die(mysql_error()); mysql_query("grant all on ".$dbuser.".* to ".$dbname." identified by '".$dbpass."'",$con) or die(mysql_error()); I want to perform these same actions but from within a shell script. Is it just something like this: MyUSER="user" MyPASS="pass" MYSQL -u $MyUSER -h -p$MyPASS -Bse "CREATE DATABASE $dbuser;' MYSQL -u $MyUSER -h -p$MyPASS -Bse "GRANT ALL ON ${DBUSER}.* to $DBNAME identified by $DBPASS;"

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• Postfix sasl: Relay access Denied (state 14)

  - by Primoz

  I have postfix installed with dovecot. There are no problems when I'm trying to send e-mails from my server, however all e-mails that are coming in are rejected. My main.cf file: queue_directory = /var/spool/postfix command_directory = /usr/sbin daemon_directory = /usr/libexec/postfix mail_owner = postfix inet_interfaces = all mydestination = localhost, $mydomain, /etc/postfix/domains/domains virtual_maps = hash:/etc/postfix/domains/addresses unknown_local_recipient_reject_code = 550 mynetworks = 127.0.0.0/8 alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases home_mailbox = Maildir/ debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin xxgdb $daemon_directory/$process_name $process_id & sleep 5 sendmail_path = /usr/sbin/sendmail.postfix newaliases_path = /usr/bin/newaliases.postfix mailq_path = /usr/bin/mailq.postfix setgid_group = postdrop html_directory = no manpage_directory = /usr/share/man sample_directory = /usr/share/doc/postfix-2.3.3/samples readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_recipient_restrictions = check_policy_service inet:127.0.0.1:9999, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, smtpd_sender_restriction = reject_non_fqdn_sender broken_sasl_auth_clients = yes UPDATE: Now, when e-mail comes to the server, the server tries to reroute the mail. Example, if the message was sent to [email protected], my server changes that to [email protected] and then the mail bounces because there's no such domain on my server.

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• access models and forms within modules

  - by sims

  Hi Stackers, What is the best way to access my models and forms from a controller of a module? Let's explain with "pictures": /application/module/storage/controllers/IndexController.php needs to call readAction in the class called storage_Model_Files in /application/module/storage/models/Files.php I've made this app's dir structure and these forms and models with zf.sh (Zend_Tool). I've read about all sorts of ways of manually including these files. I want to lazy load them much like everything is done automatically with the default module. I can't seem to find how in the docs. Does that make sense? I have: resources.frontController.moduleDirectory = APPLICATION_PATH "/modules" in my application.ini file. So I can access my controllers fine. Thanks for your help!

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• vb6 ADODB TSQL procedure call quit working after database migration

  - by phill

  This code was once working on sql server 2005. Now isolated in a visual basic 6 sub routine using ADODB to connect to a sql server 2008 database it throws an error saying: "Login failed for user 'admin' " I have since verified the connection string does work if i replace the body of this sub with the alternative code below this sub. When I run the small program with the button, it stops where it is marked below the asterisk line. Any ideas? thanks in advance. Private Sub Command1_Click() Dim cSQLConn As New ADODB.Connection Dim cmdGetInvoices As New ADODB.Command Dim myRs As New ADODB.Recordset Dim dStartDateIn As Date dStartDateIn = "2010/05/01" cSQLConn.ConnectionString = "Provider=sqloledb;" _ & "SERVER=NET-BRAIN;" _ & "Database=DB_app;" _ & "User Id=admin;" _ & "Password=mudslinger;" cSQLConn.Open cmdGetInvoices.CommandTimeout = 0 sProc = "GetUnconvertedInvoices" 'On Error GoTo GetUnconvertedInvoices_Err With cmdGetInvoices .CommandType = adCmdStoredProc .CommandText = "_sp_cwm5_GetUnCvtdInv" .Name = "_sp_cwm5_GetUnCvtdInv" Set oParm1 = .CreateParameter("@StartDate", adDate, adParamInput) .Parameters.Append oParm1 oParm1.Value = dStartDateIn .ActiveConnection = cSQLConn End With With myRs .CursorLocation = adUseClient .LockType = adLockBatchOptimistic .CursorType = adOpenKeyset '.CursorType = adOpenStatic .CacheSize = 5000 '***************************Debug stops here .Open cmdGetInvoices End With If myRs.State = adStateOpen Then Set GetUnconvertedInvoices = myRs Else Set GetUnconvertedInvoices = Nothing End If End Sub Here is the code which validates the connection string is working. Dim cSQLConn As New ADODB.Connection Dim cmdGetInvoices As New ADODB.Command Dim myRs As New ADODB.Recordset cSQLConn.ConnectionString = "Provider=sqloledb;" _ & "SERVER=NET-BRAIN;" _ & "Database=DB_app;" _ & "User Id=admin;" _ & "Password=mudslinger;" cSQLConn.Open cmdGetInvoices.CommandTimeout = 0 sProc = "GetUnconvertedInvoices" With cmdGetInvoices .ActiveConnection = cSQLConn .CommandText = "SELECT top 5 * FROM tarInvoice;" .CommandType = adCmdText End With With myRs .CursorLocation = adUseClient .LockType = adLockBatchOptimistic '.CursorType = adOpenKeyset .CursorType = adOpenStatic '.CacheSize = 5000 .Open cmdGetInvoices End With If myRs.EOF = False Then myRs.MoveFirst Do MsgBox "Record " & myRs.AbsolutePosition & " " & _ myRs.Fields(0).Name & "=" & myRs.Fields(0) & " " & _ myRs.Fields(1).Name & "=" & myRs.Fields(1) myRs.MoveNext Loop Until myRs.EOF = True End If

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• SharePoint form-based authentication with custom database

  - by Clodin

  Hi, I have SharePoint site and I want to use form-based authentication, not Windows how it is by default. For this I read that I have to modify the web.config from Central Administration and web.config from my site with the membership and roleManager tags configured properly. But if I use this: <membership> <providers> <add name="MyProvider" type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" .../> </providers> </membership> System.Web.Security.SqlMembershipProvider requires a database generated with ASP.NET SQL Server Setup Wizard (aspnet_regsql.exe), and this is my problem! I want to use another database with cunstom table 'Users' from where to take the username and password for authentication. How can I do this? Thank you in advance

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• Windows 7 blocks network access to network-installed apps

  - by VokinLoksar

  Windows 2008 R2 domain. Users, running Windows 7 Enterprise, are trying to run some software from a network share. Specifically, I've tested this with MATLAB and PuTTY. When starting, MATLAB has to contact a licensing server to get its license. This action fails for regular users when they start MATLAB from the network share. However, if they copy the installation directory to a local disk everything works fine. Running MATLAB as an admin user from the network share also works. Same story with PuTTY. If the executable is launched from the share, regular users cannot connect to any servers. Something is blocking network communications for programs that are launched from a network drive. Here's the only other mention I could find of the same problem: https://social.technet.microsoft.com/Forums/en-US/w7itpronetworking/thread/4504b192-0bc0-4402-8e00-a936ea7e6dff It's not the Windows firewall or the IE security settings. Does anyone have any clue as to what this is?

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• How to access a nested MultiView control in ASP.NET

  - by Eden

  I have an asp.net page with a multiview control nested within another multiview control. In my code behind I'm trying to access the inner most multiview control to set it's ActiveViewIndex. The problem I'm having is that I don't seem to be able to access the control. It's not available directly via this.MySubMultiview. And attempts to use this.FindControl or this.MyOuterMultiView.FindControl doesn't work. Html: ... ... Code behind: MultiView multiAddress = (MultiView)this.MultiViewMain.FindControl("MultiViewAddress"); multiAddress.ActiveViewIndex = 1;

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