I just added this to my web.config:
<security>
<ipSecurity allowUnlisted="false">
<!-- The following IP addresses are granted access, all else denied -->
<add allowed="true" ipAddress="123.123.105.0" subnetMask="255.255.255.0" />
<add allowed="true" ipAddress="123.123.100.0" subnetMask="255.255.255.0" />
</ipSecurity>
</security>
Works exactly as intended, only over that certain IP range. BUT, now when I go to test this in Visual Studio via iisExpress over localhost it of course gives me issues. Here is the 500.19 error I receive:
This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".
I have setup IPSecurity on my localmachine in the services panel, so that is enabled, and I have monkeyed around with options in the ipSecurity block such as adding 'localhost' as a domainName value - but alas no luck. .... help me StackOverflow, you're my only hope! ;)
Normally when you run an application in IIS Express, it's only accessible on http://localhost:[someport]. In order to access it from another machine, it needs to be bound to your public IP address as well. Open* D:\Users[YourName]\Documents\IISExpress\config\applicationhost. config *and find your site.
Yes, IIS Express uses the same applicationhost. config and web. config files supported by IIS.
Configure IIS express on visual studioSelect the web application project and open properties -> select the web tab -> under server's select IIS express-> Specify the project URL. Now open the project folder and . vs folder (Hidden) -> Config -> applicationhost.
IIS Express uses a default, user-specific ApplicationHost. config file to allow many users to share the same computer without interfering with other user's settings. This file is located in the %userprofile%\Documents\IISExpress\config folder or %userprofile%\My Documents\IISExpress\config folder, depending on your OS.
I just ran into the same situation. I googled around and found that all you have to do is edit the applicationhost.config file for IIS Express found here:
%userprofile%\Documents\IISExpress\config\applicationhost.config
Open it up and look for the ipSecurity section that is inside the system.webServer section and change overrideModeDefault from "Deny" to "Allow". You do not need to add the IIS IP Security from Windows Features.
<sectionGroup name="system.webServer">
<sectionGroup name="security">
...
<section name="ipSecurity" overrideModeDefault="Allow" />
...
</sectionGroup>
</sectionGroup>
Hope this helps!
NOTE: For Windows 10 and Visual Studio 2015 (or later version) please note that the ApplicationHost.config file has been relocated to the .vs\config folder in your project's folder hierarchy.
Add 127.0.0.1 to your allowed ips like so:
<add allowed="true" ipAddress="127.0.0.1" />
Thanks to @AbeyMarquez, I thought your comment warranted more attention as it solved my problem. Thanks!
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