Questions tagged [iis]

IIS is Internet Information Services, the web server included with Microsoft's Windows Server operating systems. This is a generic tag. Wherever possible please use a *version-specific* tag, such as [iis-7], [iis-7.5], etc.

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16 views

Confusion About Behavior of Kerberos Clients Using rdns To Access a Windows Webserver Versus a Linux Webserver

As has been documented in a number of issues, some Kerberos clients use reverse dns lookups. Last night I ran into an issue where the same clients using the same krb5.conf on a Linux host could not ...
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17 views

Is it possible to set CDO Configuration.Fields in ASP Classic at server level?

For PHP sites, I can edit PHP.ini and put my SMTP = smtp.my-server.com there. Then, all the PHP webs work and I don't have to change a single line of code. In classic ASP, however, if there is no smtp ...
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11 views

IIS High avability using ARR and NLB clustering issue with responsing

ive would to create an "ideal iis topology"... So i did everything what should i do in my opinion.. I did something like a MESH using 2 IIS Servers, 2 ARR (with NLB) servers and the WAN... ...
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85 views

IIS 8.5 Error while performing operation on web.config

I have a test server and a prod server that host a .netcore2.1 website. On the test server, I can access to the website and publish with MSDeploy without any problem. On the prod server I can publish ...
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1answer
18 views

IIS Configuration via PowerShell: Disable Default Document

I’m able to query the default document list in IIS using the following PowerShell code: Get-WebConfigurationProperty -Filter "//defaultDocument/files/add" -PSPath 'MACHINE/WEBROOT/APPHOST' -...
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1answer
35 views

Viewing IIS Web Configuration via PowerShell: HTTP Verbs

I’m configuring IIS on some servers to add deny HTTP Verbs to the Request Filtering section. This was done using the following: Add-WebConfigurationProperty -PSPath 'MACHINE/WEBROOT/APPHOST' -Filter '...
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14 views

IIS increase in worker process memory when RAM is increased

I have a few IIS servers serving web traffic. In the past these were running off 4GB of RAM and the available RAM was always around 500MB of available RAM, there are 6 app pools and thus 6 worker ...
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28 views

Lsass.exe high CPU usage on Windows Server 2016

My website runs on Windows Server 2016. It looks as follows: IIS with 3 applications running with SSL: MVC website (.Net Framework 4.7). Two .Net Core 3.1 Api's. MS SQL Express 2019. If the ...
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33 views

I want to enable specific users on my network to have write access to my iis ftp server [closed]

I want to enable specific users on my network to have write access to my iis ftp server, while the rest to be anonymous and read-only. How do I set the specific permissions for the network users and ...
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20 views

IIS 8.5 redirect HTTP URL to HTTPS

Using IIS 8.5 - our website has been live for several months internally on the corporate network with no SSL cert. Users have been accessing the site through the HTTP URL (let call it http://...
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21 views

SSL on Domain Contollers

Our internal and external domain is the same - domain.com, and for the internal users to be able to reach our website hosted externally, we installed IIS with redirection on all DCs. So when internal ...
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14 views

Windows authentication doesn't work for around 30 minutes?

I have a site on IIS that uses windows auth for logins and it works 99% of the time. But on some days there will be a period of time where logging in just won't work for around 30 minutes, it keeps ...
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11 views

Website not available after publishing

We use Windows 10 with IIS10 for developing my webapps in Visual Studio 2019. Now I've published my working dev site to the production server running IIS 6.2 on Windows Server 2012. However, when ...
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90 views

Assign Domain to IP Address which has a path [duplicate]

In my DNS settings, I want to point this website domain - www.websiteA.example to the following IP address which has a path http://xxx.xxx.xxx.xxx/pathA (this is a VPS, if it makes any difference) Is ...
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18 views

Windows 2016 server restart some web sites not restarting

I am having a Win 2016 server restart issue, when it restarts, some hosted sites are not coming back up. It seems like it is one collection that exist on some IPs while others do restart just fine. ...
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1answer
23 views

Computers doesn't show in WSUS

I have installed WSUS and configured it is supposed to be. Made sure that the port is accessible, the GPO has been updated in all machines, also I confirmed that the policy is was applied. But I still ...
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60 views

How Do I Remove a Filename and Exension From a URL in IIS

I'm having trouble getting a rewrite rule to work in IIS 10 with the URL Rewrite 2.1 module. I've tried several things to no avail. My most recent attempt involved using the built-in "User-...
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1answer
40 views

Web.config modification to block search engines from crawling pdfs

I'm trying to stop web crawlers from indexing pdf files on a website. I know how to do this with an .htaccess file but not in a web.config file. This snippet will stop crawlers from indexing the whole ...
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19 views

IIS SSO not working, asking for login via login-prompt every new session

We are facing an issue where we don't get SSO to work on an IIS web app. We have set Windows-Authentication as enabled and Negotiate and NTLM as providers (IIS Windows Authentication and Providers). ...
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13 views

IIS 10 rewrite to internal port for both http and https

I have a node js application running on the port 8080 in my Windows server and is accessible from inside of the server by http://localhost:8080. I want to use some subdomains like app.mydomain.com ...
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15 views

Configuring my server to receive apple's push notifications

I have an asp.net core server deployed on windows server 2019 (IIS) to receive google and apple's server to server notifications... These notifications will be pushed to the server when a user's ...
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15 views

WebDav entries started to appear in IIS web logs last month in connection with Microsoft ClickOnce setup.exe files

Starting last month, log entries like this started to appear in our IIS web logs: 2020-09-08 17:31:07 192.168.1.99 OPTIONS /apps/foo/setup.exe - 80 - 192.168.1.77 Microsoft-WebDAV-MiniRedir/10.0.19041 ...
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15 views

IIS stopped serving static content over a certain (small) size

I'm really hoping somebody can help apply some sanity to this IIS issue that has been driving me crazy. I seem to be experiencing the same problem as the poor soul in this thread: https://forums.iis....
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2answers
39 views

How to get an email alert if IIS App pool stops/crashes?

I'm seeing a lot of PowerShell scripts out there which checks the status of the IIS App Pools in a server, and sends an email if it is in a Stopped state. Although the script is useful, it would need ...
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78 views

The loghttp module error - strange issue that fills up the Application windows log

I have a AWS VM used as web server with IIS. Recently I noticed the following error that fills up the Application windows log. The log message is added to Application log every few seconds, and out of ...
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15 views

Reverse proxy on a url using IIS 8.5

I have an app in nodejs (express on port 3000) that runs using pm2. It is on a windows server machine with IIS and another ASP App. I want to make the nodejs app be available on https://example.com/...
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11 views

IIS URL Rewrite to another site using a specific Windows identity

Is it possible to use IIS' URL rewrite module in the following scenario: Site A hosted on IIS with anonymous authentication and URL Rewrite module Site B hosted on IIS with Windows authentication When ...
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1answer
257 views

'Same HTTPS binding' error using IIS

I'm an experienced developer who is relatively new to IIS. I have a VPS with a dozen websites. I previously set up an SSL certificate on one of those sites and it works fine. Today, I'm trying to ...
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17 views

helicon ISAPI Rewrite - https/http/www

How do I need to change this rule for IIS to support all variations of domain. I want all traffic to go to https://domaindotcom/folder/<personalisedID> - we have sent a letter to ask recipients ...
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15 views

Add new IIS site IP address bindings for each existing binding

I think I need to start off with a very brief description of how our system is configured. IIS is made up of a bunch of sites and many bindings in each site. The reason for the bindings is our system ...
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1answer
20 views

IIS FTP - new user just access to specific directory of existing site

A customer of mine is using IIS FTP server. They have set up several different sites. On one site there is a directory deep in the structure that a script should write to. I do not want to make the ...
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1answer
23 views

How does IIS know which AD server/domain to use for kerberos?

I am currently setting up an IIS Web Application. For Authentication I use integrated Windows Authentication with Kerberos. But i am kinda new to all that AD, Windows Authentication and Kerberos stuff....
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1answer
28 views

IIS - Request filtering - failed request tracing not showing blocked file exentension

I have enabled the Failed Request Tracing in IIS 10. If I'm disabling the allow unlisted file name extensions within the request filtering, then the failed request logs are generated. I can only see ...
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1answer
78 views

IIS 10 Application Pool Memory Management

I have a requirement to configure several settings in my IIS application pools away from their defaults, but I am not finding great guidance nor am I having much luck with trial-and-error ...
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1answer
33 views

Web Site pings different ip depending on if I ping from server or local machine

I have a web app hosted on a server that was recently moved to a new location and has a new ip address associated with it. I am not well versed in networking or server administration so any help is ...
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1answer
76 views

Websocket based website behind a reverse proxy in IIS

I'm trying to get a websocket based website to work that is being reverse proxied by an IIS server. Situation IIS v10.0.19041.1 running on Windows 10 Pro. SSL certificate from LetsEncrypt and ...
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15 views

How to configure / check Maximum Concurrent Connections in IIS ARR + URL Rewrite?

We are using IIS on Windows Server 2016 Datacenter with ARR and URL Rewrite as a reverse proxy. I am wondering how to check and also how to configure the maximum number of concurrent requests for ARR ...
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13 views

How to prevent browser from prompting for a client certificate without disabling client certificates (IIS)

I have a .NET Framework Web API deployed to IIS which supports client certificate and token based authentication. When my user logs into the GUI and calls the API with a valid token (via javascript) ...
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1answer
25 views

Removing IIS10 Self-signed Certificate “WMSCV-SHA2-webserver”

On my IIS server, there are two certificates. One is issued by a real CA based on my request and is used as the SSL cert on the server's website. The other is a self-signed certificate with the name ...
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12 views

why does an added application in IIS redirect user to root of site

I have added a new site in IIS 8.5 with a binding name for it as well. In this site there is 2 applications. For some reason only the first one is available to access, when I try to access the second ...
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44 views

Excessive dynamic application compilation

A while ago I enabled health monitoring in IIS and logged Application Lifetime Events to be able to see app-pool recycles and issues regarding that. All worked fine, every night we had our scheduled ...
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9 views

IIS: Browser asks for password after every restart but only for one domain / binding

We've setup an ASP.net application. The following Authentication Providers are enabled: Windows Authentication (Negotiate, NTLM) ASP.NET Impersonation We have two Bindings to the same Application: (...
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1answer
59 views

Why does cs-host field in my IIS logs contain IP address & port instead of hostname?

Question summary: Does URL Rewrite / Application Request Routing within IIS mean that the cs-host field no longer logs the request hostname and instead logs the target server ip & port? If so, how ...
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1answer
353 views

Why is IIS NOT reading/using the site's Web.config, while IIS Manager is correctly accessing the Web.config?

After "more time than was prudent" debugging an issue with handlers not being applied correctly, I've determined that the SiteRoot/web.config shown in IIS Manager is not actually used by IIS....
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15 views

IIS Forward Request to localhost (apache tomcat)

I have a site running say, public IP address 12.12.12.12 The site is deployed on IIS server. The site calls the api say 12.12.12.12/api/blah/blah What I want to do is when 12.12.12.12/api hits, it ...
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1answer
37 views

Cannot to connect to my website in local network IIS (SSL) with another PC

I'm working to a project ASP.NET core, I have created an SSL certificate for HTTPS and it's working, but only on my PC. I have created a "fake" DNS so if on my PC I write my.site.com:7001 it'...
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54 views

How to do something like <location path=“/”> in applicationHost.config to apply sslFlags to “/” but nothing within the virtual directory?

On an IIS 10.0 server hosting https://example.com, what do I put in my applicationHost.config so that all of the following is true: https://example.com/ does not request a client certificate. https://...
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17 views

SharePoint Server 2019 on a 2003 functional level domain

I'm in a bit of a pickle. I just started at a new job, where the person I am replacing left in the middle of deploying a SharePoint server 2019 in a place with a 2003 functional level domain. The ...
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15 views

IIS Server Farm Dropping Server Variables From SSO

I have an application that looks for server variables such as REMOTE_USER provided by Single Sign On. I have IIS acting as a reverse proxy to my application which is in a server farm. If I create a ...
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25 views

IIS Web Server Single IP Multiple Sites

IIS 8 / Windows Server 2012 R2 I am new to IIS and need some advice regarding hosting multiple sites on a server with a single IP address. Not sure if I should be using application pools or VDs, or ...

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