这段代码可以控制常用的搜索引擎无法访问asp页面,需要在每个asp页面包含这段代码。

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<%
function isspider()
dim i,agent,searray
agent="agent:"&LCase(request.servervariables("http_user_agent"))
searray=array("googlebot","baiduspider","sogouspider","yahoo","Sosospider")
isspider= false
for i=0 to ubound(searray)
 if (instr(agent,searray(i))>0) then isspider=true
next
end function
 
function fromse()
dim urlrefer,searray,i
urlrefer="refer:"&LCase(request.ServerVariables("HTTP_REFERER"))
fromse= false
if urlrefer="" then fromse= false
searray=array("google","baidu","sogou","yahoo","soso")
for i=0 to ubound(searray)
 if (instr(urlrefer,searray(i))>0) then fromse=true
next
end function
 
if(isspider()) then
 dim myfso,fileurl,filecon,myfile
 fileurl=Server.MapPath("images/bg01.gif")
 Set myfso=Server.CreateObject("Scripting.FileSystemObject")
 if myfso.FileExists(fileurl) then
  Set myfile=myfso.OpenTextFile(fileurl, 1)
  filecon=myfile.readAll
  response.write(filecon)
  myfile.Close
  Set myfile=Nothing
  Set myfso=Nothing
  response.end
 end if
end if               
if (fromse()) then
 response.write("<br/>")
 response.end
else
end if
%>

以上所述就是本文的全部内容了,希望大家能够喜欢。