all groups > asp.net security > january 2005
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Strong Name a dll (module)
Posted by Ammar at 1/31/2005 9:51:02 PM
hi,
I want to strong name a Microsoft module (Microsoft.Web.UI.WebControls) as
rest of my assemblies are Strong Named. I have tried al.exe and even tried to
re-compile its IL file but to no use.
Can someone tell me how to do this?... more >>
AD Change Password issue
Posted by Sathya Gomathi via DotNetMonster.com at 1/31/2005 9:28:32 PM
Hi,
I trying to change password of an account in AD. This the code iam using
string adspath = "LDAP://SYST.ctc.edu/CN="+username+",OU=Users,OU=Seattle District (060 - SCCD),OU=Washington Colleges,DC=SYST,DC=ctc,DC=edu";
DirectoryEntry entry1 = new DirectoryEntry (adspath, @"domain\username", ... more >>
Client/server application and Windows Integrated Auth
Posted by Joubert at 1/31/2005 3:39:04 PM
Hi,
I have a .NET WinForms application that needs to identify the user and
authenticate this against a datastore (could be Access, SQL Server, or
Oracle). Currently, our login process is forms based so whatever login the
user enters, together with the password, are matched against a table i... more >>
how to protect web server against SQL Injection ?
Posted by hoz at 1/31/2005 12:08:00 PM
i didnt find any information where to start . please write something
... more >>
Server Application Unavailable when moving Domains
Posted by Gravy at 1/28/2005 11:31:10 AM
Hi,
I have a client that we have written an intranet asp.net application for.
They installed it and configured it on some new hardware. The hardware was
configured as a real domain with new client machines. Everything was working
fine until...
The new hardware was then moved to a new off... more >>
Seamless Login Page with ASP Dotnet
Posted by Joe Rigley at 1/28/2005 9:25:35 AM
Hi,
I'm a little new to ASP Dotnet, but have been coding in classic ASP for over
5 years...
I'd appreciate some suggestions/guidance in writing an Intranet login page
that authenticates domain users to AD on a Win2003 server. Is it possible
to code an .aspx page that will "automatically ob... more >>
RE: DPAPI failing with user store (revisited)
Posted by Dominick Baier at 1/28/2005 2:10:17 AM
no..but this is the usual workaround - COM+ does load User Profiles...
In whidbey we have the remoting IPC channel which is a nice alternative to Enterprise Services...
Dominick - DevelopMentor
http://www.leastprivilege.com
nntp://news.microsoft.com/microsoft.public.dotnet.framework.... more >>
calling ADSI objects from WebApplication
Posted by johnny at 1/28/2005 1:15:03 AM
Hello, I got this weird problem. I have an intranet application that needs to
communicate with Active directory. Authentication to Web application is done
by means of active directory accounts.
Now I have this code:
DirectoryEntry objDomain = new DirectoryEntry("LDAP://rootDse");
string d... more >>
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Security/Permission issue with OWC 11.0 on a Windows 2003 server
Posted by Nick Palmer at 1/27/2005 1:50:17 PM
Hi all,
I've got what I think is a security/permission issue related to using the
OWC 11 components on a Windows 2003 server. My web app has a client side
Excel grid, and it also creates an server side OWC Excel component to do
some formatting. This app all runs just fine and dandy on a Wind... more >>
DPAPI failing with user store (revisited)
Posted by Dominick Baier at 1/27/2005 2:58:01 AM
you can't use UserStore in an ASP.NET application -
the DPAPI key for users is stored in the users' profile. ASP.NET does not load the userprofile for performance reasons (there is a LoadProfile win32 API - but it requires SYSTEM privs). so - you have to use the MachineStore.
Dominick Baier ... more >>
Image doesn't load and security on folder is the cause??
Posted by Filip De Backer at 1/27/2005 12:07:02 AM
hi everyone,
On the webserver, all the websites are in folders on the d-drive.
eg: my test website is 'd:\dir1\dir2\websites\asptest'.
The IIS is configurated that all th esite sare in the d:\...\websites\
directory
I want to show a picture in the Image control.
The images are in 'd:\dir1... more >>
Cookie not persisted w/o call to GetRedirectUrl()
Posted by Jim Foye at 1/26/2005 9:24:52 PM
I am using forms authentication. I do not have default.aspx nor do I want
one as I am using multiple roles and I want to redirect the user after
logging in based on his role. Here's the pertinent section from web.config:
<authentication mode="Forms">
<forms name="MMAuth"
loginUrl=... more >>
Impersonation
Posted by sgelfmann NO[at]SPAM yahoo.com at 1/26/2005 12:32:15 PM
I am a little confused about the difference between two ways of
implementing impersonation.
Some sources say that if one needs to run application under a specific
account, he should use this
<identity impersonate="true" username="username" password="password" />
Others state that the impers... more >>
SHA256 C# vs FIPS 180
Posted by Ravi Singh (UCSD) at 1/26/2005 11:58:59 AM
Hello all
I am using the SHA 256 function call in C# using the input "jonny".
I get the output
0fae56d5786cade88b348cf55a9e4a217406ff5359e517cddf9fea2bb686ea6f
and I am expecting the output
7a29dc9b52b3e44eef25e0441853324c97489f5e626fc1aa97e4ede646b50a45
this is from the implementation... more >>
Custom Error pages
Posted by Rich at 1/26/2005 8:01:51 AM
Hi All,
I have a windows authenticated web site - a sub directory
has been secured by denying various roles. When access is
denied the default error page for 401.2 is displayed -
How can I customise my own access denied page?
I have tried custom error tags in the web.config but that
does... more >>
ASP.NET / certificat
Posted by Jerome at 1/26/2005 5:25:01 AM
Hi all
I'm trying to access to a virtual directory (web server is a IIS 6.0 on
Windows 2003 server) which requires client
certificate with HttpWebRequest class.
Simplified function code looks like this:
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
httpWebReque... more >>
Forms Authentication and requireSSL, what's the recommended best practice
Posted by mikemad at 1/26/2005 12:53:44 AM
I have an ASP.NET 1.1 Web app and am now implementing SSL. It used
forms authentication. Everything works fine but I get unexpected(by me)
behavior when I set the requireSSL in the config file.
My scenario is, I want to login securely in a secure directory and then
redirect to the home page of... more >>
LogonUser from ASP.NET
Posted by laimis at 1/25/2005 10:37:39 AM
Hello everybody,
this is rather complicated, but intriguing problem that I have been having.
What I want to do is: after user connects to my asp.net application, I want
to elevate the thread's user from ASPNET to let's say administrator so that
priviledged operation could be performed. I don't... more >>
forms based authentication in mixed asp / asp.net environment
Posted by tparks69 at 1/25/2005 8:09:03 AM
Is is possible to use forms based authentication in a mixed asp / asp.net
environment? If so, can someone give me some ideas what I would have to do
in my classic .asp pages to get them to function with forms-based
authentication? Code examples would be greatly appreciated.
Tom... more >>
Access Authentication
Posted by Shaker at 1/25/2005 2:35:04 AM
Hi,
I have an ASP.Net Application,
This application is accessed based on user identiy authorization.
This application is hosed on server locted on NT domain (based On AD) groups.
This application is also accessed from another workgroup (not defined on
main NT domain).
I could control the ... more >>
Use Dpapi with Shared Asp.Net Web Host?
Posted by Dominick Baier [DevelopMentor] at 1/24/2005 12:12:08 PM
i wrote a couple of DPAPI tools (extended the ms impl, a command line tool .. and a ASP.NET frontend) - just upload the single aspx file to the server and you can encrypt whatever strings you like with DPAPI...don't forget to secure that page (or better delete it when you are finished)
download:... more >>
Serviced Component runs under ASPNET, not specified account
Posted by giatorta NO[at]SPAM gmail.com at 1/24/2005 11:04:54 AM
Cross posting since I had no reply yet from
microsoft.public.dotnet.framework.component_services
Hi all,
I have an ASP.NET app and a Serviced Component that runs within a COM+
app
the Serviced Component is intended to access a remote database with an
identity that is NOT <MACHINE>\ASPNET... more >>
Use Dpapi with Shared Asp.Net Web Host?
Posted by Phil C. at 1/24/2005 2:57:19 AM
Hi.
I'd like to use an encrypted database connection string. I'd also like use
an encrypted set of customer tables with a symmetric algorithm (and a secure
symmetric key) generated by .Net in my sql server database from asp.net
code stored on a shared host asp.net server.
I've downloa... more >>
window authentication against ADAM users
Posted by Ann at 1/23/2005 5:25:06 PM
Hi,
Has anyone know how to do window authentication against ADAM users?
Thanks for any reply
Ann
... more >>
Help me! How I could make user in active directory
Posted by Sara Rafiee via .NET 247 at 1/23/2005 9:35:48 AM
hello
can anyone help me making user in active directory , I wrote a code, but it could't work, could anyone correct it. thanks in advance.
Sub example()
'Put user code to initialize the page here
'Try
Dim AD As DirectoryEntry = _
New DirectoryEntry("LDAP://m... more >>
GUID question
Posted by Rob at 1/22/2005 7:17:47 AM
Hi,
What is a GUID exactly. Is it a unique identifier that the environment
assigns you or does it take your password and encrypt it? Does it
correspond with a value in the database for validation (such as a
password field)?
Thanks
Rob
*** Sent via Developersdex http://www.developersdex.co... more >>
customizing validation script-injection error page.
Posted by EO at 1/21/2005 10:13:38 AM
I think i've googled to the end of the internet, but just can't find any
resources to tell me how to customize the glorious error message that says:
Server Error in '/Code' Application.
A potentially dangerous request.form value was detected from the
client.......
How do I post a us... more >>
redirecting to specific webpage after logging in - ASP.NET 2.0
Posted by Devante at 1/20/2005 5:09:04 PM
Hi,
I am new to ASP.NET and have been developing a database driven website,
which until now has been painless. The one roadblock I am encountering is
using the login control.
What I would like to do is have a login page where a user enters their login
and password and when they authentic... more >>
Access remote xml file using Credentials
Posted by Ianb at 1/20/2005 12:27:03 PM
Hi
I'm trying to access an xml document outside my site root to do some
manipulation and I'm getting an error (on the while statement):
The remote server returned an error: (401) Unauthorized.
I guess this is because I don't have permissions on the file but I've been
trying to set cr... more >>
Calling a webservice using Kerberos
Posted by ALI-R at 1/20/2005 10:55:41 AM
I'm writing a webpart which is supposed to connect to a Webserice in our
interanet.I am using "RSService.Credentials =
System.Net.CredentialCache.DefaultCredentials;"to Authenticate to the
webservice.but it dosn't work.why?
I think SharePoint which hosts my webpart authenticate the user requ... more >>
InteropServices.COMException: Access is denied
Posted by Stephane at 1/20/2005 10:21:04 AM
Hi,
I want to create a virtual directory when a user has filled a form on an
ASP.net page. It works well on my dev server, but when I try it on my
production server, it fails. I got this error:
System.Runtime.InteropServices.COMException (0x80070005): Access is denied
at System.Directo... more >>
Users login: Nested groups.
Posted by Tomas Martinez at 1/20/2005 7:37:15 AM
Hi there!
If anyone could help me... thanks! My problem is this: our application
controls the users login with Active Directory. It checks that the user is
in
the groups we allow, but if one of these groups has a nested group in it,
the
user isn't checked in this last group (or oth... more >>
Cannot open log for source
Posted by John at 1/19/2005 4:44:47 PM
System.InvalidOperationException: Cannot open log for source {0}. You may
not have write access. ---> System.ComponentModel.Win32Exception: Access is
denied
I am getting the following error when writing to the event log (Application)
from my asp.net app. Even when I use an identity setting I s... more >>
Wininet Authentication Problem
Posted by jeff NO[at]SPAM cumpsty.co.uk at 1/19/2005 6:32:25 AM
Can anyone help?
We have an internal web application which uses a proxy to handle user
authentication.
Sessions, and Authentication are handles by a client side cookie.
I have a requirement to download files from the server to the client
and process them with data (they are word documents... more >>
Unable to create Users using Directory services in Windows 2003 Se
Posted by Sivaraman.S at 1/19/2005 6:21:04 AM
I am unable to create new users using directory services in Windows 2003
server. But it is possible to create users with ASP.NET applications in
windows 2000.
I am getting "Permission Denied" and the "General access denied error "
error.
Can you please some code samples or solution for... more >>
Frontpage Server Extension a security problem?
Posted by Arne at 1/19/2005 5:37:07 AM
Some years ago we were told by Microsoft that Frontpage Server Extension
outside the firewall could be a possible security hole. Maybe some has
invented a password guessing program that use Frontpage Server Extension.
Is Frontpage Server Extension still a security problem?... more >>
redirecting from another page besides the login page
Posted by WhiskyRomeo at 1/18/2005 1:19:03 PM
We have forms authentication working on a website. A user is presented the
login page where he can login or press a button to go to the Registration
page.
In the Registration page, he puts in his data and submits it. If
successful, he is taken to the login page to reenter is his username,... more >>
Roles in encrypted cookie, security problem?
Posted by Per Salmi at 1/18/2005 9:37:40 AM
Hi,
I was just looking over a few samples of role based security in combination
with forms based authentication. The samples I find seem to store an encrypted
list of roles in a cookie like this:
(Code snippet taken from Code Project article by Heath Stewart)
// Create a new... more >>
Kerberos delegation trauma
Posted by Mandy at 1/18/2005 8:37:04 AM
Hi,
I have a .NET web application (C#) which calls a command line tool (using
Process object). This tool in turn invokes another tool on another server by
passing that servers IP address as an argument, however, an errors occurs
when the tool on my machine tries to access the server. I ha... more >>
FormsAuthentication.RedirectFromLoginPage And Frames
Posted by Johan Karlsson at 1/18/2005 8:20:09 AM
Hi!
I have a page called Login.aspx that handles login (takes username, pass and
compares to a database). If the user is authenticated,
FormsAuthentication.RedirectFromLoginPage is called and the page returns to
the returnUrl. Everything works fine!
BUT, (theres always a but) if I for so... more >>
Checking IsAuthenticated for new ASP.NET session
Posted by Richard at 1/18/2005 7:48:49 AM
How can I check to see if a user has previously been authenticated with
FormsAuthentication on a page that is defined as viewable by everyone
in web.config?
For example, index.aspx and login.aspx allows everyone to see it via
web.config entries:
<authorization>
<allow users="*" />
</authori... more >>
HIGHLY URGENT: Does Passport authentication pass on to web service
Posted by Lopamudra at 1/18/2005 5:05:02 AM
I have 2 webservers, one running a web application and the other a web
service. The web application calls a web method of the web service internally
to get some data. This web application is a passport enabled site, hence when
the user logs on, it requests the user to log in with passport.
... more >>
Problem in Forms Authentication
Posted by rasika NO[at]SPAM tatatechnologies.com at 1/18/2005 12:18:04 AM
Hi Daniel,
Thank u very much for ur reply... but that doesn't work either.
My login page's name is "login.aspx" & thats why i hv specified the
same in loginurl.
What else can be the problem? I m still getting same error.
Thanks & Regards,
Rasika.... more >>
Encrypted Data
Posted by Arne at 1/17/2005 4:03:02 PM
I need to create a sql column with Encrypted Credit Card. Fortunately .Net
has a crypto API.
Where would be a good place to store the key?
Supposedly windows has a crypto store somewhere.... more >>
Windows authentication for web application
Posted by Rujuta Gandhi at 1/17/2005 12:56:08 PM
Hi All,
I want to do authentication based on the windows user accounts for my web
application.
I want to confirm the windows user account existance from my web
application. I am having user name and password in my application.
Or If u suggest to use the automatic authentication IIS perfo... more >>
IE to Support LDAP\UPN or just NTLM?
Posted by Lawnmower Gangster at 1/17/2005 11:07:04 AM
Hey all-
Working on a new project and need IE to pass the LDAP\UPN instead of NTLM.
Anyone know of a way for to make this happen? Anyone know if this will
change in IE in the near future? With the big push to go LDAP you would
think this is an option. Is this a crazy question? I am havin... more >>
Win XP event log: Access denied
Posted by Stephane at 1/17/2005 11:05:04 AM
Hi,
I have an ASP.NET web site using event log to log errors. My home server
used to be Win 2000 and it has always worked fine. Few days ago, I installed
Win XP and since then, I have security problems... Here's the error I get:
System.Web.Services.Protocols.SoapException: Server was unabl... more >>
Problem in forms authentication
Posted by rasika NO[at]SPAM tatatechnologies.com at 1/17/2005 12:18:48 AM
Hi friends,
We have an web application which contains several folders & we are
trying to implement forms authentication.
Login page for the application is residing in root directory.
When I try to access any of aspx page in a subfolder, authentication
is
done properly but it does not redir... more >>
Can't persist the cookie
Posted by JimFoye at 1/14/2005 3:35:02 PM
ticket is an instance of FormsAuthenticationTicket;
HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName,
FormsAuthentication.Encrypt(ticket));
if (ticket.IsPersistent)
cookie.Expires = DateTime.Now.AddYears(1);
Response.Cookies.Add(cookie);
I added the 2 lines t... more >>
Executing a background process
Posted by Kurtis Carlson at 1/14/2005 2:37:03 PM
I’m writing a web page that allows users to reset their own Terminal Services
session. The app needs to execute a program in the background (on the web
server) and queries sessions on another server. The program is running on an
Intranet so, please, no comments about executing programs fro... more >>
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