Find IP Address In ASP.NET Behind Proxy

Find IP Address Behind Proxy Or Client Machine In ASP.NET, If you want to find the IP address of visitors to your aspx page or application or wanna retrieve IP for other users than u need to write this code

Using this code we can find IP address of visitor even if visitor is behind any proxy

public string IpAddress()
{
string strIpAddress;
strIpAddress = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (strIpAddress == null)
{
strIpAddress = Request.ServerVariables["REMOTE_ADDR"];
}
return strIpAddress;
}

To find IP address of a machine behind LAN you can use this code

string strHostName = System.Net.Dns.GetHostName();
string clientIPAddress = System.Net.Dns.GetHostAddresses
(strHostName).GetValue(1).ToString();