VS 2008 LDAP Check Path Exists When Authentication Is None

May 15, 2009

LDAP check dir exists when authentication is none Experts I am try to check if an LDAP path exists and the following code works fine if the AuthenticationType is not none. How do you check this if the LDAP does not use authentication?

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LDAP Authentication Using .Net?

Sep 12, 2006

I have a LDAP Server ("Test.dir.svc.mytest.com") and i want to check if an user with UID a PWD is certified. How to do it?

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How To Check If Game.exe Exists On A User Input Path

Apr 20, 2011

how do i check if the "game.exe" exists on the path that the user has selected?

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LDAP Username Password Authentication?

Aug 5, 2009

I have 2 questions here.

1. I would like to know how the attributes of an object in LDAP can be fetched using vb.net

eg here i want to get the properties of user with id saechira.[URL]..

2. I have to perform the authentication of username and password using our LDAP server. I have tried to use the below code. When I try to execute this code it say "Logon Failure: Unknown user name or bad password". Is it because of any invalid parameters, can anyone Please let me know why the authentication fails.. The username password and the domain are all correct. why does this error occur.

[Code]...

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Accessing LDAP For User / Password Authentication

May 17, 2012

I need to authenticate a user against LDAP/AD (windows 2008 r2) so I can leverage the domains password rules etc... I found code that will allow me to validate a users ID and Password entered into a form (using System.DirectoryServices.DirectoryEntry) but my problem is if the user enters an invalid password more that AD is configured to allow, the account gets locked out. Is there anyway around this?

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Return User Details After Ldap Authentication (asp.net)?

May 15, 2012

I am trying to set up a new internal system for my client currently, they insisted on integrating the login with AD, which makes sense, and i have managed that with no problem. However what i also want to do, after authentication, is to store some user details / attributes as session variables. I have the following code to aithenticate the user:

'this function authenticates against AD - very simple and works nicely.
Function AuthenticateUser(path As String, user As String, pass As String) As Boolean
Dim de As New DirectoryEntry(path, user, pass, AuthenticationTypes.Secure)

[code]....

which works nicely, and once the function returns me a True, i set Session("LoggedIn") as True.what i need to do is (hopefully within the above function) save the user's name, and 2 other custom atributes from within the user's AD profile.How would i access those (hypothetically)

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LDAP Authentication - Cycle Through The Local Domain Controllers Listed On The Machine?

Jul 6, 2010

Our company is developing software projects that use a users windows username/password for program authentication. Our programs encrypt the username /password, send them to a web service. The web service decrypts the username/password and authenticates the user against our LDAP using the System.DirectoryServices namespace. This works well. There are two methods, one that validates the user and passes back the user's LDAP info in a datatable, the other passes back a boolean that indicates the user is on the domain. This is working just fine. Over the 4th of July weekend, our domain server hung. While it slowed down the login process for windows while it re-routed to a secondary domain server across the country, all our programs could not validate the users because our local domain controller was down.So I have been asked to update the web services to include a list of domain controllers that can be used if the local one is not available. Below is a snippet of code I use to validate a user:

[code]...

The getinfo function uses the directory services to create an LDAP entry, then do a search based on the account name (windows username) and populates properties for common LDAP information. How can I extend this function, or re-write it, to run down a list of domain controllers found on the network to validate a username? I was thinking of putting the domain in a database, but that requires administration as they change. Is there a way to cycle through the local domain controllers listed on the machine?

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Move From Custom Login Screen To Active Directory LDAP Authentication?

Mar 11, 2009

I have a WinForms app with SQL05 backend. It has a standard Login window where users are required to supply a username/password. This is validated using my own code and sprocs. Now one of my big clients has scared the bejezus out of me by saying, "Hey Chris, I want you to change your app in line with all our other IT systems so that users can use their common username and passwords with authentication against LDAP". :confused: Having had a moment to reflect, I have some questions (some very noob in nature!)

1. Is this requirement a big deal? :) Or straightforward to implement?

2. Does this mean that when user's double-click my app icon on the desktop, the authentication automagically happens without the need for a Login screen?

3. How on earth can I test this. My dev environment does not use AD, but I do have SBS2003

4. Can anyone point me to good resources about this on the web?

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Get LDAP Path Of Current Domain?

Apr 5, 2011

I am using the following code:

Dim GPMSOM As GPMGMTLib.GPMSOM = GPMDomain.GetSOM("DC=virtual,DC=domain")

I need to *not* hardcode "DC=virtual,DC=domain"

How can I get that programatically?

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VS 2008 Check If Record Exists Or Not?

Apr 14, 2011

I am using VS 2008 and MySQL. Which one of the following methods is efficient or a proper one to check if record exists or not before making an attempt to insert.

1. HasRows Property.
2. Select Where Exists
3. Select Count(*)

Or if there is any other appropriate method ( which i am not aware of ) available to do it in vb.net ?

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VS 2008 : Check If A File Exists In A Directory?

Sep 5, 2009

i want to check if a file exists in the Application.StartupPath. I tried My.Computer.FileSystem.FileExists but that checks the whole computer doesn't it. ? How do i check if a file exists in a directory?

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VS 2008 : Check If HTML Element Exists?

Sep 8, 2010

How do I check if an HTML element exists? This element will only "show" on a certain event. ex: numbers in a non-number textbox or something. I tried

If WebBrowser1.Document.GetElementsByName("ElementName")

But that won't work, because the element "is in" the HTML, even though the page doesn't show it yet.

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VS 2008 Check To See If Item Exists In A List?

Jan 6, 2010

see if an object is already in a generic List(Of T) than the way I am currently doing it? The way I do it at the moment is like so:I have a method that I call each time I want to check to see if an object exists in the list (if it already exists I do not want to add it again) and the list to check is passed in to this method along with the item that should be added to it:

[Code]...

So as you can see this function just loops through the list that was passed in and if the DisplayName property of one of the items in the list is the same as the ProgramName argument that was passed in to the method as well then it returns True to indicate that this program is already in the list.I thought about using a Predicate with the List.Find method but cant see how I would get it to work because that predicate method will not have any way of referencing the list (its a method local list, not class level)

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VS 2008 Send E-mail Without Authentication For Servers Without Outgoing Authentication

Mar 28, 2011

as topic, i need to send an e-mail without outgoing authentication becouse server hasn't outgoing authentication.. how i can do this??

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VS 2008 Check Server Availability - Determine If The Path Is Available Or Not?

Nov 17, 2009

I have a program that copies files to several servers in succession. If one of those servers is unavailable for any reason, my program hangs for about a minute before it continues on to the next server. Is there a quicker way to determine if the path is available or not?

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Using Directory.Exists On Network Sharing UNC Path

Aug 19, 2009

I'm building an application which require to use Directory.Exists on a network share UNC path. I know how to use that function, and how to implement it in my code, it's working perfecty locally.

Here my setup:
- VS2003
- .NET 1.1
- It's an Outlook Add-In

Here the code :
Dim realpath as string = "\myserverfolder$subfolder"
Impersonation.ImpersonateUser("admin", "DOMAIN", "adminpass")
Dim isDirExist As Boolean = Directory.Exists(realpath)
If isDirExist = False Then
Directory.CreateDirectory(realpath)
End If
Impersonation.undoImpersonation()

If I build this code, and register it in Outlook with my personnal account (admin), it's working fine, I receive true. If I build this same code, an register it in the Outlook of a normal employee (user only), it's always returning FALSE, no matter if the directory exist or not. The share is set to everyone allow, and I tried giving everyone access to the ACL, and it's the same result.

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Authentication - VB Tutorial For Username / Password Check Using Database

Jul 30, 2011

Where is a good VB.NET tutorial where I can have a username box and a password box and it checks in the database if it's there and if it is then another form will show?

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Check Authentication Mode When Connecting To Database In Sql Server?

May 9, 2011

I have an application, I want to connect my database in SOL Server Authentication mode(mixed mode), Hence When I connecting my database through connection string. then what parameter to be passed or what to be checked.

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VB 2010 - Find Out If A File Exists Without Specifying The Full Path?

Apr 22, 2012

This is troubling me as the FileExists command needs a full path.

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.net - Code Review: Determining Whether A Folder Exists, Given The Full File Path?

Nov 30, 2009

With a function being passed a full path to a file, such as C:someFolderanotherFoldersomeXML.xml, determine whether the folder exists. Is there a smarter/better/more elegant way of doing this? Here is my implementation:

[code].....

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Check If A Xml Tag Exists?

Sep 25, 2010

I was wondering if anyone could show me how to check if a tag exists?Here is the code that I am using to get the information from the xml.

Dim XmlFile As New XDocument
XmlFile = XDocument.Load(WorkingDirectory & "ToolsMediaInfoMediaInfo.xml")
Dim Manage = XmlFile...<track>
For Each XmlTag In Manage
If XmlTag.FirstAttribute.Value = "General" Then

[Code]...

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Check If URL Exists?

Jul 10, 2009

This is the standard way of checking if URL exists [code]....

return true; } catch (Exception ex) { return false; } But my problem is that we have to check it for around 100 URL's. It takes more then 2 minutes to check for all as it is trying to get response of all of them. Is there any way that we can check if URL exists without getting complete Response so that total response time is less.

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Asp.net - Check If Referrer Exists?

Jul 25, 2011

In my code, I want to check if a referrer url exists and if the referrer url contains a specific sub string. I know how to check for the sub string:

If( InStr( Request.UrlReferrer.ToString(), "some sub string here" ) > 0 ) Then

But I don't know how to check if a referrer exists or not. No refer exists if the url is entered in manually in the address bar. So I tried this, but this does not work:

If (Not (Request.UrlReferrer.ToString() = "")) And (InStr(Request.UrlReferrer.ToString(), "some sub string here") > 0) Then

how do check if a referrer exists?

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Check If A Column Exists In ADO.net

Sep 13, 2009

I have a windows service which fetches data from various datasources and build a XML file and send it to a webservice. For example first I will get customer details from Oracle Database and build the XML file and then the SQL Server database and build the customer details XML. I am planning to use the same function below to build the customer object irrespective of what the datasource is. But dr("age") column is not available in SQLserver datbase How can I check if a column exists or not.[code]

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Check If A Folder Exists?

Sep 30, 2009

I am trying to check if a folder exist, it doesn't work if the folder name has a space or "_" or "-". .

here is an example of cases that don't work:
"Folder test"
"Folder_test""
"Folder-test"

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Check If FTP Directory Exists?

Jan 29, 2010

I know how to make a new directory on an FTP server, but I wanted to know how I can check if a direcogtry exists, and if it exists display a message?

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Check If Permission Set Exists?

Mar 17, 2010

I am using Caspol.exe to install a custom Permission set and add Code Groups for my .Net 2.0 Windows Application.

I have created a Console Application that uses caspol.exe to add Permission Set and Code Groups. I first install the Permission Set and if I do not get an error, I continue to install the Code Groups

Now sometimes I need to add a new Code Group to the client machine, so I make the changes to the console app and it is executed on the client machine. If the client machine already has the Permission Set installed, it returns an error and stops the further processing.

So, I want to know if I can check whether a custom Permission Set is already added or not?

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Check If Process (URL) Exists

Aug 4, 2011

How would i just if a website exists, and, if so, launch a browser to open it. I am making a little tool for one of my freinds and it allow then to quickly launch websites. How would I check if that is a valid website to launch, so i don't get an error if it is not valid.[code]The error i want to stop is "Cannot start process because a file name has not been provided."So basically i want to make sure that the program can launch the URL so i don't get this error

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Check If Regestrykey Exists?

Nov 17, 2011

I cant get the following code to check if my regestrykey exists can some one help. the idea is to check if it exists if so do nothing if not create it, along with its value...

the full key is HKEY_LOCAL_MACHINESOFTWAREVTSAdvanced Offset 2AdminAccess
> If Dir$("HKEY_LOCAL_MACHINESOFTWAREVTSAdvanced Offset 2Admin", vbDirectory) <> "" Then

[Code]....

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Check If Registry Key Exists?

Feb 23, 2010

I need to figure out if a registy key exists under the HKCU hive. If the key exists do this, if not then this.

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