Function SafeRequest(ParaName)  

Dim ParaValue  

ParaValue=Request(ParaName) 

if IsNumeric(ParaValue) = True then 

SafeRequest=ParaValue 

exit Function 

elseIf Instr(LCase(ParaValue),"select ") > 0 or Instr(LCase(ParaValue),"insert ") > 0 
or Instr(LCase(ParaValue),"delete from") > 0 or Instr(LCase(ParaValue),"count(") > 0 
or Instr(LCase(ParaValue),"drop table") > 0 or Instr(LCase(ParaValue),"update ") > 0 
or Instr(LCase(ParaValue),"truncate ") > 0 or Instr(LCase(ParaValue),"asc(") > 0 
or Instr(LCase(ParaValue),"mid(") > 0 or Instr(LCase(ParaValue),"char(") > 0 
or Instr(LCase(ParaValue),"xp_cmdshell") > 0 or Instr(LCase(ParaValue),"exec master") > 0 
or Instr(LCase(ParaValue),.net localgroup administrators") > 0  
or Instr(LCase(ParaValue)," and ") > 0 or Instr(LCase(ParaValue),"net user") > 0 
or Instr(LCase(ParaValue)," or ") > 0 then 

Response.Write "<script language='javascript'>" 

Response.Write "alert('非法的请求!');"  '发现SQL注入攻击提示信息 

Response.Write "location.href='http://dev.yesky.com/';"  '发现SQL注入攻击转跳网址 

Response.Write "<script>" 

Response.end 

else 

SafeRequest=ParaValue 

End If 

End function