放在conn.asp里就行了。 

'屏蔽通過地址欄攻擊 
url=Request.ServerVariables("QUERY_STRING") 
if instr(url,";")>=1 then 
url=Replace(url,";","；") : Response.Redirect("?" & url) 
end if 
'屏蔽通過表單攻擊 
for each item in request.form 
stritem=lcase(server.HTMLEncode(Request.form(item))) 
if instr(stritem,"select ")>=1 or instr(stritem,"insert ")>=1 or instr(stritem,"update ")>=1 or instr(stritem,"delete ")>=1 or instr(stritem,"exec ")>=1 or instr(stritem,"declare ")>=1 then 
response.write ("對不起,請不要輸入非法字符!") 
response.end 
end if 
next