Just before IIS 8. 0, server administrators may permit or deny accessibility for particular IP address or range of IP addresses. Other then still acquiring IP address that trigger mass attack was tedious process for server administrator because it involve analyzing IIS 8 log periodically and manually add it to deny record whether it found new IP address.

An answer to above issue is instead of blocking IP based mostly on addresses, we must block IP primarily based on it is activity. For example, maximum no of concurrent request, total no of request in excess of a time period, and many others. Sure this really is wherever IIS 8. 0 and Dynamic IP Addresses & Domains Restrictions are available in picture. Dynamic IP Addresses & Domains Restrictions attribute of IIS 8. 0 allow administrators to block IP based mostly on it is activity.

Blocking access based mostly on no of requests in IIS 8
First, Open up IIS manager and navigate to web page for that you desire to configure and click on IP Address and Domain Restrictions function.

Next step, click Edit Dynamic Restriction Settings... link in action pane as shown on the picture below.

Select on it will open up the dialog box that permits you to configure dynamic IP blocking. There will be 2 choices to block IP based mostly on his activity.

Maximum no of concurrent requests
This setting ensures that in case concurrent requests of any IP address exceed than configured limit then IIS won't serve which ask for and it'll deny.

Maximum no of requests more than a period of time
This setting ensures that in case any IP address sends additional requests than authorized limit among specified time then IIS won't serve which ask for and it'll deny. For e. g. as shown in above image in the event any IP can deliver greater than 20 requests among 200 milliseconds then IIS can deny to serve request.

Response behavior when denying requests
To configure response behavior when denying any requests in IIS 8, click on Edit Feature Settings... link in action pane on right side bar.

In beneath image we will notice available deny action type while denying any requests. These are generally Unauthorized, Forbidden, Not Found, and Abort. Based mostly for this settings IIS can deliver response along with respective HTTP status code.

Dynamic IP restrictions and Proxy
Many clients are accessing web sites through a number of proxy server ; during this case it might happen IIS might obtain same IP altogether requests though it is asked for by totally different client. To address this condition, we will configure IIS 8 to examine x-forwarded-for HTTP header. To allow this just check Enable Proxy Mode checkbox as displayed in subsequent image.

Thus in nutshell, we will claim that Dynamic IP address and domain restrictions feature of IIS 8 adds security improvements towards the web site by blocking mass requests from one client.

While operating with the IIS we all prefer to understand the settings done on the Virtual Directory are correct or not. therefore we are planning to see a way to do this programmatically. To check some properties of the IIS (Virtual Directory) of web based application after  install, one will create custom application for that. There are list of IIS Properties that we will get once post installation. The list of properties exposed by the IIS API or net Settings Property is mentioned below:

• AuthFlags
• Path
• AppFriendlyName
• EnableDirBrowsing
• AccessRead
• AccessExecute
• AccessWrite
• AccessScript
• AuthNTLM
• EnableDefaultDoc
• DefaultDoc
• AspEnableParentPaths

The top of settings are designed within the Metabase of the IIS.

IIS Metabase:
IIS Metabase may be a structure wherever IIS configuration settings are stored. You'll be able to navigate through the IIS Metabase using MetaEdit or Metabase explorer. The Metabase is predicated on a hierarchical  style with inheritance. Every object within the metabase has a KeyType. The KeyType property specifies the type of metabase key. .NET provides the namespace that is used to induce the properties of the IIS Virtual Directory. .Net have the "System.DirectoryServices" namespace that exposes the DirectoryEntry class.

Code:
WebSettings.cs

public class WebSettings
{
     //Authentication Bitmask Values
     //Constant Value Description
     public const int MD_AUTH_ANONYMOUS = 0x00000001;
     //Anonymous authentication available.
     public const int MD_AUTH_BASIC = 0x00000002;
     //Basic authentication available.
     public const int MD_AUTH_NT = 0x00000004;

     //Windows authentication schemes available.
     string Auth_Type;
     public string calc(int AuthValue)
     {
         if (AuthValue == MD_AUTH_ANONYMOUS)
          {
               Auth_Type = "ANONYMOUS ACCESS ENABLED";
          }
          if (AuthValue == MD_AUTH_BASIC)
          {
               Auth_Type = "BASIC ACCESS ENABLED";
          }
          if (AuthValue == MD_AUTH_NT)
          {
               Auth_Type = "INTEGRATED WINDOWS ACCESS ENABLED";
         }
          if (AuthValue == (MD_AUTH_ANONYMOUS + MD_AUTH_NT))
          {
               Auth_Type = "INTEGRATED WINDOWS + ANONYMOUS ACCESS ENABLED";
          }
          if (AuthValue == (MD_AUTH_ANONYMOUS + MD_AUTH_BASIC))
         {
              Auth_Type="BASIC + ANONYMOUS";
         }
         if (AuthValue == (MD_AUTH_ANONYMOUS + MD_AUTH_NT))
         {
              Auth_Type = "INTEGRATED + ANONYMOUS";
         }
         if (AuthValue == (MD_AUTH_BASIC + MD_AUTH_NT))
         {
             Auth_Type = "BASIC + INTEGRATED";
        }
         if (AuthValue == (MD_AUTH_ANONYMOUS + MD_AUTH_BASIC + MD_AUTH_NT))
         {
             Auth_Type = "ANONYMOUS + BASIC + INTEGRATED";
         }
          return Auth_Type;
     }

Main.cs

string serverName;
string vDir;

serverName = System.Environment.MachineName;
vDir = "DirectoryName";
vdir = new DirectoryEntry("IIS://" + serverName + "/W3SVC/1/ROOT/" + vDir);
wbs = new WebSettings();
string[] sComp = new string[12];
sComp[0] = "AuthFlags";
sComp[1] = "Path";
sComp[2] = "AppFriendlyName";
sComp[3] ="EnableDirBrowsing";
sComp[4] ="AccessRead";
sComp[5] ="AccessExecute";
sComp[6] ="AccessWrite";
sComp[7] ="AccessScript";
sComp[8] ="AuthNTLM";
sComp[9] ="EnableDefaultDoc";
sComp[10] ="DefaultDoc";
sComp[11] ="AspEnableParentPaths";
ListViewItem[] listViewItem = new ListViewItem[12];
lstIISProperty.Items.Clear();
for (int i = 0; i < sComp.Length; i++)
{
    //lstComponents.MultiColumn = 2;
    lstIISProperty.Sorting = SortOrder.Ascending;
    if (sComp[i] != null)
    {
    listViewItem[i] = new ListViewItem(new string[]{ sComp[i], IISPropertyValue(sCompi]), fnExpected_Value(sComp[i])}, -1);
    lstIISProperty.Items.Add(listViewItem[i]);
    }
}

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Problem:
This is another common error that troubles plenty of ASP.NET users. Generally, the questions are framed like: “This error (HTTP 500 Internal Server Error) means that the website you are visiting had a server problem which prevented the webpage from displaying”
Or you can see on the picture below:

What is a 500 Internal Server Error?

In short, a HTTP 500 error implies that there's a drag with the configuration of the server. An HTTP 500 error isn't a problem the end user will solve themselves.  In their case, they need to report the matter to the server administrator or web site owner. however if you're managing your own IIS server and it’s your job to diagnose 500 server errors, there are many ways that to create the method easier.

Why am I getting HTTP 500 Internal Server Error IIS error?
The HTTP 500 Internal Server Error Iis error is also caused by windows system files harm. The corrupted system files entries may be a true threat to the well being of your PC. There may be several events which can have resulted within the system files errors. an incomplete installation, an incomplete uninstall, improper deletion of applications or hardware. It also can be caused if your PC is recovered from a virus or adware/spyware attack or by an improper closedown of the PC. All the above actives could lead to the deletion or corruption of the entries within the windows system files. This corrupted system file can cause the missing and incorrectly joined info and files required for the right operating of the application.

How to Fix “HTTP 500 Internal Server Errors”
1. First, log on as an administrator
2. Then, Click the Start button -> All Programs -> Accessories -> System Tools, and then click System Restore.
3. On new window, choose the "Restore my computer to an earlier time" choice so click Next button.
4. choose the most recent system restore purpose from the "On this list, click a restore point" list, so click Next.
5. Click Next on the confirmation window.
6. Now, Restarts your Computer when the restoration is finished.

In this article you'll learn the way to add a new FTP site on IIS 8. Before going through this article make sure that FTP and IIS are installed on your system. If you wish to find out a way to install IIS then you'll go through this article: Installing IIS. Now allow us to see the procedure needed to add a new FTP site on IIS 8.

Step 1. First of all Open the Administrative Tools from the START Menu.

Now within the Administrative Tools, there is several options will be available within the list among that you need to choose the IIS Manager and so double-click on that to open it.

Step 2. Now the IIS Manager Window are going to be opened. On the left hand side you'll see a pane named Connection Pane, within the Connection Pane a Server node are going to be available, you need to expand this Server node and so right-click on your Server name and so choose the option named Add FTP site.

Step 3. A new form are going to be opened. Now you need to give the site information that you just that you aiming to create, 1st give the name for this New site and then give the Physical Path by clicking on the Browse Button. This physical path can verify a folder wherever the Content Directory are going to be created.

After select the Name and Physical Path click on the "Next" button.

Step 4. Next, named as Binding and SSL Settings. You must fill the IP Address. Click on the drop down Button and so choose the IP Address, if you do not have any IP Address then you'll choose an option available named All Unassigned. After providing the IP Address, give the Port number.

Step 5. On an equivalent page Uncheck the start FTP site automatically. In SSL 3 options are going to be available, among these choices I selected  the third option, in alternative words need SSL and then I give the SSL Certificate. After give all that information click on "Next".

Step 6. On the next page Authentication and Authorization is to be provided. On Authentication Permitted if you want to permit all the users then you'll check the "Anonymous" otherwise you'll check the "Basic".

In the Authorization I permit all users authorization to Permitted and Write, you'll provide no matter authorization that satisfies your needs. After providing all the information, click on the "Finish" button to create the site.

Step 7. Now in the Sites you'll see that the new website is available under the IIS Default web site.

Whether you host in-house or with a managed Windows hosting provider, if you self-administer a web server it's sensible to understand that by default IIS 7.5 sets application pools to “time-out” when twenty minutes of inactivity. therefore if you don’t have a visitor to your website within twenty minutes the application pool can shut down those system resources. Then the next time a request comes into the site IIS7 can automatically restart the application pool and serve the requested pages.

This is an excellent way to preserve resources since each running application pool will place a certain quantity of overhead on the system. But, it conjointly implies that the primary request – the one that causes the application pool to restart – is incredibly slow. it's slow as a result of the method literally must begin, then load the desired assemblies (like .NET) then load the requested pages. betting on the size and complexity of your application, this would possibly simply be a couple of seconds or it'd take 30+ seconds (during which time a user would possible quit and move on to a different site).

If you wish to increase the length of the time-out setting, simply change it from the default of twenty to however several minutes you wish. you can also modify the setting to zero (zero) which effectively disables the timeout so the application pool can never shut down due to being idle.

To make this change, open Server Manager; Expand the Roles node; Expand the web Server (IIS) node. Then click on the web Server (IIS) node; Expand the node along with your local server name; and click on the application Pools icon. You’ll then see a list of the application pools that are defined on your server. within the right-hand pane you’ll see an option for Advanced Settings -> click that.

Once you see the Advanced Settings dialog box simply look for the Idle Time-out (minutes) property; click wherever the default “20″ is, and change it to no matter value you prefer.

This is only 1 of the many settings that may impact the performance, uptime, and functioning of your web site. If you don’t have the time or interest in learning and maintaining the various settings for a secure high-performing web server, you would possibly need to consider a totally managed windows hosting solution and let a trained and experienced administrator take care of the work for you.

SSL (Secure Socket Layer) is a cryptographic protocol developed by Netscape to supply communications security on the net. cryptographic technology uses 2 keys to encrypt data, one for public (public key) and another for recipient (secret key). SSL enabled websites communicate with a web server employing a security channel (secret key) that prevents tempering, eavesdropping (or merely say hacking). SSL is presumably used for a login section, payment system, on-line banking industry etc that's very sensitive info for a company or person. after we enable SSL for a web site the address can begin with "https://" (indicating hypertext Transfer Protocol Secure) rather than "http://".

To test this, you ought to have IIS installed. there's no need for further software like Visual Studio or any other web site development kit because only one hypertext markup language file can be tested. Follow the steps to enable SSL on Windows Server 2012 operating system; another operational System may have a slight distinction.

1. Open the IIS Manager and choose root computer name -> and double click on "Server Certifications". look at the image given below.

2. Now within the window that seems you'll find "Server Certificates" that are already installed. No problem if another one already exists, I recommend to delete all by choosing each and build a new one. If you're not using your system to host an expert web site then, delete all. Look at the correct panel; you'll find "Create Self-Signed Certificate"; click on it. You'll be prompted to enter the friendly name for SSL and click on OK button.

3. After clicking on the OK button you'll realize a new SSL entry. Currently navigate to "Site List" and right-click on that to choose the "Edit Binding" option. Consider the image given below.

4. When you click on "Edit Binding", you'll get a new window requesting a protocol type. There is also 3 or four items, in my example there's only 1 by default that's "http". No downside if you've got many more. at least one ought to be there. now click on the "Add" button and within the window that appears choose the "Type" to "https" and "SSL Certificate" to "yourSSLname". after you are done, i recommend to delete all other protocol types, only keep https. shut the little window listing protocols at the end.

5. Now everything is configured and enabled for you. Let's take a look at it. Please note I only have the only protocol "https". Since browsers by default use http you've got to use here https while requesting via browser.

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About HostForLIFE.eu
HostForLIFE.eu is an European Windows Hosting Provider which focuses on the Windows Platform only. HostForLIFE.eu deliver on-demand hosting solutions including Shared hosting, Reseller Hosting, Cloud Hosting, Dedicated Servers, and IT as a Service for companies of all sizes.

HostForLIFE.eu is awarded Top No#1 SPOTLIGHT Recommended Hosting Partner by Microsoft (see http://www.microsoft.com/web/hosting/HostingProvider/Details/953). Their service is ranked the highest top #1 spot in several European countries, such as: Germany, Italy, Netherlands, France, Belgium, United Kingdom, Sweden, Finland, Switzerland and other European countries. Besides this award, they have also won several awards from reputable organizations in the hosting industry and the detail can be found on their official website.

Today, I am going to show you how to fix How to Fix: “HTTP Error 401.3 – Unauthorized” Error in IIS. While working on my site, I got a small issue with IIS. I had set up a new virtual directory for the site but when the site was viewed in the browser the IIS error was displayed:
Server Error in Application “DEFAULT WEB SITE”
HTTP Error 401.3 – Unauthorized
You do not have permission to view this directory or page because of the access control list (ACL) configuration or encryption settings for this resource on the Web server.

As you can see on the picture below:

Judging from the error the permissions on the folder was incorrect. And a quick peek at the properties confirmed this. Admittedly, I don’t have much experience with  IIS 7+ (IIS 6 & 6.5 that’s a different story). So when I tried to add the correct user account to the I couldn’t identify the correct user account. Honestly, I was actually looking for IUSR_MachineName . As it turns out IUSR_MachineName was removed in IIS 7 and replaced with IUSR. So adding the IUSR user account to the folder and everything worked. Yes, it was a simple fix but it can be an annoying one if you don’t know what to look for.

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