On Error Resume Next Fy_Url=Request.ServerVariables("QUERY_STRING") Fy_a=split(Fy_Url,"&") redim Fy_Cs(ubound(Fy_a)) On Error Resume Next for Fy_x=0 to ubound(Fy_a) Fy_Cs(Fy_x) = left(Fy_a(Fy_x),instr(Fy_a(Fy_x),"=")-1) Next For Fy_x=0 to ubound(Fy_Cs) If Fy_Cs(Fy_x)<>"" Then If Instr(LCase(Request(Fy_Cs(Fy_x))),"'")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"select")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"update")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"chr")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"delete%20from")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),";")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"insert")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"mid")<>0 Or Instr(LCase(Request(Fy_Cs(Fy_x))),"master.")<>0 Then Select Case Fy_Cl Case "1" Response.Write "<Script Language=JavaScript>alert(' 出现错误!参数 "&Fy_Cs(Fy_x)&" 的值中包含非法字符串!\n\n 请不要在参数中出现:and,select,update,insert,delete,chr 等非法字符!\n\n我已经设置了不能SQL注入,请不要对我进行非法手段!');window.close();</Script>" Case "2" Response.Write "<Script Language=JavaScript>location.href='"&Fy_Zx&"'</Script>" Case "3" Response.Write "<Script Language=JavaScript>alert(' 出现错误!参数 "&Fy_Cs(Fy_x)&"的值中包含非法字符串!\n\n 请不要在参数中出现:,and,select,update,insert,delete,chr 等非法字符!\n\n设计了门,非法侵入请离开,谢谢!');location.href='"&Fy_Zx&"';</Script>" End Select Response.End End If End If Next %>
以上代码为较多网友所用,从使用的感言来看,效果显著。
以下为引用的内容: Dim Query_Badword,Form_Badword,Err_Message,Err_Web,form_name
'------定义部份 尾----------------------------------------------------------------------- ' On Error Resume Next '----- 对 get query 值 的过滤. if request.QueryString<>"" then Chk_badword=split(Query_Badword,"‖") FOR EACH Query_form_name IN Request.QueryString for i=0 to ubound(Chk_badword) If Instr(LCase(request.QueryString(Query_form_name)),Chk_badword(i))<>0 Then Select Case Err_Message Case "1" Response.Write "<Script Language=JavaScript>alert('传参错误!参数 "&form_name&" 的值中包含非法字符串!\n\n请不要在参数中出现:and update delete ; insert mid master 等非法字符!');window.close();</Script>" Case "2" Response.Write "<Script Language=JavaScript>location.href='"&Err_Web&"'</Script>" Case "3" Response.Write "<Script Language=JavaScript>alert('传参错误!参数 "&form_name&"的值中包含非法字符串!\n\n请不要在参数中出现:and update delete ; insert mid master 等非法字符!');location.href='"&Err_Web&"';</Script>" End Select Response.End End If NEXT NEXT End if
'-----对 post 表 单值的过滤. if request.form<>"" then Chk_badword=split(Form_Badword,"‖") FOR EACH form_name IN Request.Form for i=0 to ubound(Chk_badword) If Instr(LCase(request.form(form_name)),Chk_badword(i))<>0 Then Select Case Err_Message Case "1" Response.Write "<Script Language=JavaScript>alert('出错了!表单 "&form_name&" 的值中包含非法字符串!\n\n请不要在表单中出现: % & * # ( ) 等非法字符!');window.close();</Script>" Case "2" Response.Write "<Script Language=JavaScript>location.href='"&Err_Web&"'</Script>" Case "3" Response.Write "<Script Language=JavaScript>alert('出错了!参数 "&form_name&"的值中包含非法字符串!\n\n请不要在表单中出现: % & * # ( ) 等非法字符!');location.href='"&Err_Web&"';</Script>" End Select Response.End End If NEXT NEXT end if
以上是另一种版本。
以下为引用的内容: <% Dim GetFlag Rem(提交方式) Dim ErrorSql Rem(非法字符) Dim RequestKey Rem(提交数据) Dim ForI Rem(循环标记) ErrorSql = "'~;~and~(~)~exec~update~count~*~%~chr~mid~master~truncate~char~declare" Rem(每个敏感字符或者词语请使用半角 "~" 格开) ErrorSql = split(ErrorSql,"~") If Request.ServerVariables("REQUEST_METHOD")="GET" Then GetFlag=True Else GetFlag=False End If If GetFlag Then For Each RequestKey In Request.QueryString For ForI=0 To Ubound(ErrorSql) If Instr(LCase(Request.QueryString(RequestKey)),ErrorSql(ForI))<>0 Then response.write "<script>alert(""警告:\n请不要做任何尝试"");location.href=""index.asp"";</script>" Response.End End If Next Next Else For Each RequestKey In Request.Form For ForI=0 To Ubound(ErrorSql) If Instr(LCase(Request.Form(RequestKey)),ErrorSql(ForI))<>0 Then response.write "<script>alert(""警告:\n请不要做任何尝试"");location.href=""index.asp"";</script>" Response.End End If Next Next End If %>