Skill 1. Oncontextmenu= "Window.event.returnvalue=false" will completely mask the right mouse button
<table border Oncontextmenu=return (false) ><td>no</table> available for table
2. <body onselectstart= "return false" > deselect, prevent copying
3. onpaste= "return false" is not allowed to paste
4. oncopy= ' return false; ' oncut= ' return false; ' Prevent replication
5. <link rel= "shortcut icon" href= "Favicon.ico" > IE Address bar before replacing their own icons
6. <link rel= "Bookmark" href= "Favicon.ico" > can display your icon in a Favorites folder
7. <input style= "ime-mode:disabled" > Close IME
8. Always with the frame
<script language= "JavaScript" ><!--
if (window = top) Top.location.href = "frames.htm"; Frames.htm for frames page
--></script>
9. Prevent a person from being frame
<script language=javascript><!--
if (top.location!= self.location) top.location=self.location;
--></script>
<noscript><iframe src=*.html></iframe></noscript> Web pages will not be saved as
<input type=button value= View Web page source code
onclick= "window.location = ' view-source: ' + ' http://www.csdn.net/'" >
12. How to use the ASP means to check whether the visitor used the agent
<% if Request.ServerVariables ("Http_x_forwarded_for") <> "" Then
Response.Write "<font color= #FF0000 > You have passed the proxy server," & _
"True IP is" &request.servervariables ("Http_x_forwarded_for")
End If
%>
