Questions tagged [asp.net]

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Service account access to SharePoint online

I've got a ASP.NET web site, which runs in a custom app pool using an AD service account. The web site which is only available on the internal network is supplied by a third party vendor, as such we ...
Ian Oakes's user avatar
  • 101
-1 votes
1 answer
16k views

Event code 3005 ID 1309 - IIS

I have problems with my application after last Windows Updates and ASP.NET 4.0.303. My application has crashed after some minutes, looking in Windows Event Viewer, I found this error log, is the same ...
Gabriel Mioranza's user avatar
1 vote
0 answers
326 views

Asp.Net application pool crash

We have our application hosted on Windows Server 2012 and IIS 7.5 but the application crashed when it's application pool went above 4.5 GB with just few users. This is the error stack in Windows Event ...
Mrug's user avatar
  • 111
1 vote
1 answer
351 views

How do I get my IIS web app to authenticate intranet users using a FQDN?

I am maintaining a web application that runs using Windows authentication on IIS and serves a campus intranet. A domain administrator has issued me an SSL certificate for machinename.example.edu. ...
user472953's user avatar
0 votes
1 answer
4k views

IIS starts serving 404's (works for a while!)

This is a funny one that's just started happening. Changes I've recently made: Updated website (not major update, small code changes/bug fixes) Added URL re-write rules to 301 forum to different ...
Tom Gullen's user avatar
1 vote
0 answers
5k views

The requested page cannot be accessed because the related configuration data for the page is invalid

I want to test my ASP.Net Core 2.0 Hello World Api on localhost. I Created the project using VS2017 File->New Projecct-> .Net Core -> ASP.NET Core Web Application -> Empty It ran fine in the ...
Kirsten's user avatar
  • 185
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0 answers
213 views

IIS rewrite default rule for matching all documents

I am trying to setup rewrite rules. I am using web.config. I have many multiple files - .aspx and html files under same folder. And I add one rule that rewrites abc.html to abc.aspx and this ...
codeul's user avatar
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1 vote
0 answers
841 views

Microsoft Monitoring Agent APM service is inaccessible. Please check that it is not in a disabled state

We encountered an issue where the agent (referred to as the Microsoft Monitoring Agent) in the IIS server - however,the IIS Application Pools began to cause high CPU usage the application server ...
Heisenberg's user avatar
0 votes
1 answer
363 views

Difference between ASP.Net Applications and ASP.Net Apps vSomething Performance Counter Sets

On Microsoft Windows Server 2016 (and probably earlier versions) I see several Performance Monitor Counter sets/categories that have similar names and similar counters: \ASP.NET Applications(*)\* \...
M Herbener's user avatar
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0 answers
74 views

Why does ASP.Net work without ManagedEngine being enabled?

In various places (https://www.microsoftpressstore.com/articles/article.aspx?p=2231761&seqNum=2, https://docs.microsoft.com/en-us/iis/get-started/introduction-to-iis/iis-modules-overview#module-...
M Herbener's user avatar
1 vote
1 answer
4k views

Nignx Reverse Proxy not loading css and js files.

Hi I am running dotnet core on CentOS 7 with nginx reverse proxy. Following are my configurations. server { listen 443 ssl http2; listen [::]:443 ssl http2; ...
Muneeb Zulfiqar's user avatar
0 votes
2 answers
532 views

Microsoft VBScript compilation error '800a0408'. IIS ASP Javascript serving error

I have a server with IIS 6.1 In a Windows Server 2008 which is serving an ASP web site, the page is running OK, and the javascript is being served correctly as you can see here. But in another ...
Samuel's user avatar
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1 vote
1 answer
7k views

IIS ARR ReverseProxy with Client Certificate Authentication for backend IIS

We have legacy SOAP Web Services (https://dev-ms01/Services/default.asmx) which are written in asp.net 1.1 hosted on IIS7(win server 2008 standard),web services consumed by clients by providing Client ...
OTUser's user avatar
  • 73
4 votes
0 answers
7k views

Why is IIS 10 serving content using HTTP 1.1 instead of HTTP 2? [duplicate]

I have a base install of IIS 10 on Windows Server 2016 which I have setup my basic web application on. The application website uses HTTPS. For some reason, when browsing from Chrome 63, the content ...
Jimbo's user avatar
  • 309
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0 answers
1k views

Unable to run .cshtml pages on Windows 2008 IIS7

I have created an ASP.Net C# website using Visual Studio with Razor v2. I published it to my live server, but the pages do not process the code. The pages are .cshtml pages. The server is a Windows ...
Soren's user avatar
  • 141
0 votes
2 answers
64 views

Active Directory asp.net config

I've been tasked with moving an asp.net web app from an old 2003 server as part of an organisation's complete move to new servers. The app uses Active Directory authenication, of which I have little ...
DanIreland's user avatar
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0 answers
548 views

Windows Service Alternatives For Automatic Application Startup

I've written an ASP.Net MVC / SignalR web application written in C# which I'm hosting on an Azure virtual machine. It's also got a SQL-Server instance on it and three Windows Services. Despite the ...
Aaron's user avatar
  • 101
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0 answers
2k views

Sudden High Cpu on Windows Server 2012 R2

We have simple ASP.NET web application(ASP.NET 2.0) on production with 2 web server and each web server has 64GB RAM and 32 cores. The production site sometimes suddenly spike the CPU to 90-100% on ...
Imran Qadir Baksh - Baloch's user avatar
1 vote
0 answers
461 views

Windows web config redirect, different folder name and domain

I have 2 websites and a few thousands links with the same pattern that need to be redirected. I want to achieve this by writing the code one time and for it to work for all of the URLs. This is the ...
Speedwheelftw's user avatar
1 vote
1 answer
1k views

How to configure delegation in an ASP.Net Core 2.0 app on windows with users authenticated via Azure AD

The Setup: I have a web app written in ASP.NET Core 2.0 that authenticates against Azure AD using OpenID Connect. It is running on a machine that is part of an Azure AD domain. The app does have an ...
Geoff's user avatar
  • 111
2 votes
0 answers
1k views

Application Gateway’s ARRAffinity cookie domain does not match with site’s domain

I have configured an Application Gateway with the cookie-based affinity following this. The backend pool is configured as abc.azurewebsites.net. I have created a CNAME test.example.com to point to ...
user1663715's user avatar
1 vote
2 answers
3k views

How do you stop users directly accessing files on a website in IIS

I want to stop users on the internet being able to enter this URL into a browser and access these files directly. How can I do this? for example: mysite/uploadedfiles/file1.txt is there any iis ...
Rakesh's user avatar
  • 115
4 votes
0 answers
331 views

How to enable two consecutive periods in URL without introducing a security vulnerability

I have a site running on IIS 7.5 which hosts some user-generated content. Recently, I came across a file with two periods in its filename. Let's call it foo..bar.jpg. When I attempt to access it, I ...
mm201's user avatar
  • 141
1 vote
0 answers
277 views

Host asp.net framework application in asp.net core web site

I have two applications, one built using asp.net core and one using asp.net framework. I am hosting both within IIS. One runs under an app pool setup as managed and one as unmanaged, as shown here: ...
Rob McCabe's user avatar
1 vote
1 answer
1k views

How to safely allow IIS to execute an exe with potential vulnerabilities?

We have an IIS application that needs to execute an exe with potentially malicious input. Multiple applications run in this app pool and I would like to limit our risk as much as possible. The ...
Sam Rueby's user avatar
  • 666
12 votes
1 answer
680 views

Disable TLS 1.2 stops RST packets

Environment, Web server - Server 2012 R2, IIS 8, ASP.NET application Firewall Cisco 5515 Un-Managed HP switches, No vlaning Client has been using Curl from the outside to hit our application. No ...
Anthony Fornito's user avatar
2 votes
1 answer
2k views

Why isn't IIS on Windows Server 2012 able to access system environment variables?

I have an ASP.NET Core web application running on Windows Server 2012 R2 and IIS 8.5. IIS uses a pair of web.config configuration variables to start up the application. This is the relevant web.config ...
Tom Troughton's user avatar
0 votes
2 answers
2k views

Make web application accessible everywhere

We have developed a web application in ASP.net MVC for our client, which is host on their localhost, lets say, 18.18.18.100/portal. It is a private IP address. But my client wants to make this ...
Doosu's user avatar
  • 11
0 votes
1 answer
311 views

How to host Asp.net application in docker swarm mode load balancer

I have asp.net application now that application is running under VM host iis. i am planing to deploy using docker swarm. But i am facing machinekey issue. how i can run this application using docker ...
karthick's user avatar
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0 votes
0 answers
3k views

asp net core 2.0 hosting on IIS returns blank page with error 500

I'm trying to deply an ASP NET Core 2.0 full framework app to IIS in Windows Server 2012 R2 and keep on failing. The app runs fine locally in VS2017 and also works on the server when I manually run ...
Tom's user avatar
  • 133
0 votes
1 answer
320 views

A bot with blocked ip still causes exceptions on server

I manage a website which is being "attacked" by a very stupid bot. The bot tries the same requests all the time, it always gets a bad request response because ASP.NET detects "A potentially dangerous ...
BornToCode's user avatar
2 votes
0 answers
4k views

asp.net core shows '0x80070002 HTTP Error 502.5

I am testing deployment of asp.net core 1.1 projects. I have two projects in the solution client and the identity server 4. I have succeeded deploying the client app and I can browse externally. ...
rlee923's user avatar
  • 151
1 vote
0 answers
171 views

asp.net jit multiple core slow

Using IIS I'm Running Asp.net 4.5 and trying to find a way to improve jit times on a machine multiple(8) cores. The test I use is timing 100 different pages. The machine i'm testing all this on is 4 ...
Wayne's user avatar
  • 11
6 votes
1 answer
44k views

Difference between limit number of connections setting in IIS and the Max Pool Size

I am trying to understand the difference between the "Max Pool Size" setting in the connection-string against the Limit setting in the IIS server manager...whether they are referring to the same thing?...
OAH's user avatar
  • 205
1 vote
0 answers
3k views

IIS Published websites gives HTTP 500 error

I'm having big trouble publishing my website to IIS. It always returns HTTP 500 Internal Server Error. My project runs perfectly on localhost. I have installed NuGet package MvcDiagnostics.asxp (http:...
Nanou Ponette's user avatar
0 votes
1 answer
29 views

ASP.NET file created by one AppPool not readable from another

I have two ASP.NET applications, configured to have a read/write access to a shared NAS location that they use as a simple key-value file store. The NAS location is mapped locally to each application ...
aoven's user avatar
  • 101
1 vote
1 answer
2k views

Configure Windows IIS authentication using Nginx

I have a web API hosted using the IIS Express and it is running in my localhost using the port number 17770. I also installed Nginx in my localhost which is using the port number 8070. The goal is to ...
wandermonk's user avatar
1 vote
1 answer
472 views

Unexpected recycles of IIS.Net Application Pool

Since June 19 we are experiencing unexplained and undesired recycles of Application Pool worker processes. The Application Pool has a scheduled 3am recycle. But since June 19th we are experiencing ...
Nick's user avatar
  • 11
0 votes
1 answer
866 views

Correct/professional way of logging in ASP.NET apps on IIS server

We're developing an ASP.NET application and have set up a IIS server in our company network for deployment testing. The IIS server is managed by our IT service team and we only have the necessary ...
Sentry's user avatar
  • 101
1 vote
2 answers
3k views

What steps are necessary to enable support for Content-Encoding: gzip POST bodies to an ASP.NET application hosted in IIS 8.5

Sending Accept-Encoding: gzip to my server currently upgrades the server responses with gz compression. Sending Content-Encoding: gzip POST bodies to my server does not result in my application ...
K. Alan Bates's user avatar
0 votes
1 answer
86 views

Strange directory access in apache with mutliple servicestack applications hosted with mod_mono

I have a webserver (Linux, Ubuntu 16.04) running a apache. I use it to host some ASP.NET applications with mono developed using the ServiceStack framework. Here is my vhost configuration <...
mat's user avatar
  • 548
2 votes
2 answers
2k views

Is there any way to detect an incoming ZipBomb?

I'm building an ASP.NET application deployed to IIS and I am actively working on following the necessary steps to enable support for Content-Encoding: gzip There are no current plans for the server ...
K. Alan Bates's user avatar
1 vote
1 answer
5k views

Information about securing cookies with path attribute with respect to ASP.NET and IIS

I need help with securing cookies for my web application. It's deployed in IIS and is built in ASP.NET MVC. These are the things that I need to get more information about Is the Sites folder in IIS ...
Akshay Raut's user avatar
0 votes
1 answer
156 views

Enable 32-Bit Required In Only One of Three Environments for the Same Website

We have three environments (DEV, QA, PROD). Each environment has two IIS web servers. We got the following run time error on PROD only: Server Error in '/' Application. Unable to determine granted ...
ADH's user avatar
  • 141
1 vote
0 answers
311 views

IIS with ARR as reverse proxy for ASP.NET WebAPI randomly escape newlines differently

We're running an asp.net Web API appliction in production, using IIS and ARR for SSL-offloading and reverse proxy. We're seeing some weird issues requesting xml from a webapi endpoint. Randomly every ...
Erik Arenhill's user avatar
2 votes
1 answer
999 views

Apache Service Unavailable When Running ASP.NET MVC Project with mono

I am running centos 7 and i have installed mono using the guide on the official website for centos http://www.mono-project.com/docs/getting-started/install/linux/ . This appears to be working fine as ...
Dan Hastings's user avatar
-1 votes
1 answer
500 views

Site is not working after implementing SSL IIS 8

I have implement SSL certificate using steps given shown in below videos First Video Second video Once the changes are completed and i tried to run the application, it shows "Site can't be reach". ...
raman's user avatar
  • 117
2 votes
1 answer
1k views

Azure App Services Website CPU Climbs to 100% Over TIme

This ASP.NET Core Azure App Services website has been running in production (unchanged) for months with CPU averages of 1-3%. Starting yesterday I noticed that the CPU all of a sudden went to 100%: I ...
kspearrin's user avatar
  • 513
1 vote
0 answers
743 views

How to stop IIS parent website taking priority over virtual application

I have a simple setup. I have a wordpress website setup at the root of a subdomain api.website.com. This will act as documentation for an API. I then have the API itself, built with asp.net and i want ...
Dan Hastings's user avatar
0 votes
1 answer
231 views

app returns no error message running Kestrel on nanoserver in Docker (missing dll?)

I am trying to run a Kestrel application targeting net461 on Docker, but it fails with no error message. It runs ok on Windows 10. My Dockerfile is: FROM microsoft/nanoserver SHELL ["powershell"] ...
mikebridge's user avatar

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