asp實現防止從外部提交資料的三種方法第1/3頁

防止從外部提交資料的方法

第一種做法，屏蔽特殊字元和關鍵字

fqys=request.servervariables("query_string")

dim nothis(18)

nothis(0)="net user"

nothis(1)="xp_cmdshell"

nothis(2)="/add"

nothis(3)="exec%20master.dbo.xp_cmdshell"

nothis(4)="net localgroup administrators"

nothis(5)="select"

nothis(6)="count"

nothis(7)="asc"

nothis(8)="char"

nothis(9)="mid"

nothis(10)="'"

nothis(11)=":"

nothis(12)=""""

nothis(13)="insert"

nothis(14)="delete"

nothis(15)="drop"

nothis(16)="truncate"

nothis(17)="from"

nothis(18)="%"

errc=false

for i= 0 to ubound(nothis)

if instr(FQYs,nothis(i))<>0 then

errc=true

end if

next

if errc then

response.write "<script language=""javascript"">"

response.write "parent.alert('很抱歉!你正在試圖攻擊本伺服器或者想取得本伺服器最高管理權!將直接轉向首頁..');"

response.write "self.location.href='default.asp';"

response.write "</script>"

response.end

end if