using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public class IPBlock : IHttpModule
{
public IPBlock()
{
// TODO: Add constructor logic here
}
public void Dispose()
{
//Dispose
}
public void Init(HttpApplication context)
{
context.BeginRequest += new EventHandler(Application_BeginRequest);
}
private void Application_BeginRequest(object source, EventArgs e)
{
HttpContext context = ((HttpApplication)source).Context;
string ipAddress = context.Request.UserHostAddress;
if (IsBlockedIpAddress(ipAddress))
{
context.Response.StatusCode = 403;
context.Response.Write("Forbidden : The server understood the request, but It is refusing to fulfill it.");
}
}
private bool IsBlockedIpAddress(string ipAddress)
{
//Here I have stored Ip addresses in String[]. you can also Store in database.
string[] IPs = { "117.196.35.121",
"117.196.35.122",
"117.196.35.123",
"117.196.35.124",
"127.0.0.1"
};
foreach(string IP in IPs)
{
if(IP == ipAddress)
return true;
}
return false;
}
}