public class UrlReWrite : IHttpModule
{
private int rowCount = Convert.ToInt32(ConfigurationManager.AppSettings["HttpRowCount"]);
private int httpTime = Convert.ToInt32(ConfigurationManager.AppSettings["HttpTime"]);
public void Init(HttpApplication application)
{
application.BeginRequest += (new
EventHandler(this.Application_BeginRequest));
application.EndRequest += (new
EventHandler(this.Application_EndRequest));
}
private void Application_BeginRequest(Object source, EventArgs e)
{
HttpApplication Application = (HttpApplication)source;
HttpContext ctx = Application.Context;
string isIp = ctx.Request.UserHostAddress;
if (ctx.Application["time"] == null)
{
ctx.Application["time"] = DateTime.Now;
}
else
{
DateTime isTime = (DateTime)ctx.Application["time"];
int timeTract = Convert.ToInt32(DateTime.Now.Subtract(isTime).Minutes.ToString());
if (timeTract > (httpTime - 1))
{
ctx.Application["time"] = null;
ctx.Application["myip"] = null;
}
}
if (ctx.Application["myip"] != null && ctx.Application["myip"] is CartIp)
{
CartIp cartIp = (CartIp)ctx.Application["myip"];
cartIp.Insert(isIp);
ctx.Application["myip"] = cartIp;
if (cartIp.GetCount(isIp) > rowCount)
{
ctx.Response.Clear();
ctx.Response.Close();
}
}
else
{
CartIp cartIp = new CartIp();
cartIp.Insert(isIp);
HttpContext.Current.Application["myip"] = cartIp;
}
}
private void Application_EndRequest(Object source, EventArgs e)
{
}
public void Dispose()
{
}
}
}
class2.cs
[Serializable]
public class ListIp
{
private string ip;
private int count;
public string IP
{
get { return ip; }
set { ip = value; }
}
public int Count
{
get { return count; }
set { count = value; }
}
}
[Serializable]
public class CartIp
{
public CartIp()
{
if (_listIp == null)
{
_listIp = new List<ListIp>();
}
}
private List<ListIp> _listIp;
public List<ListIp> _ListIp
{
get { return _listIp; }
set { _listIp = value; }
}
public void Insert(string ip)
{
int indexof = ItemLastInfo(ip);
if (indexof == -1)
{
ListIp item = new ListIp();
item.IP = ip;
_listIp.Add(item);
}
else
{
_listIp[indexof].Count += 1;
}
}
public int ItemLastInfo(string ip)
{
int index = 0;
foreach (ListIp item in _ListIp)
{
if (item.IP == ip)
{
return index;
}
index += 1;
}
return -1;
}
/// <summary>
/// get number of IP address
/// </summary>
/// <param name="ip"></param>
/// <returns></returns>
public int GetCount(string ip)
{
foreach (ListIp item in _ListIp)
{
if (item.IP == ip)
{
return item.Count;
}
}
return -1;
}
}
2条答案
按热度按时间sauutmhj1#
IIS IP限制只能用于站点级别。您不能为特定的控制器或文件夹设置动态IP限制。因此建议使用自定义httpmodule。您可以在此代码中添加一个过滤器,以便httpmodule只验证登录页面的命中数。
CS1
class2.cs
web.config
您只需要创建一个类库,然后复制并修改这些代码来实现您的要求。最后,您需要将发布dll复制到bin文件夹中,并通过IIS管理器-〉站点节点-〉模块-〉添加托管模块导入。
https://www.cnblogs.com/Fooo/archive/2013/01/27/2878820.html
new9mtju2#
这是一个很好的例子,谢谢分享。有一个小问题,这里是修复:
下面是一个更新的例子,过滤器的URL。