较为全面的asp防CC代码" ?+ I; q- L5 y1 E$ b8 s
5 o% u$ x4 F8 n- l6 U2 R <%
' W1 l9 {( ?1 V Dim CC_Info(4),strInfo,strTemp9 ]% s" f! S8 I# G( `' o
If Session(“CC_Info”) = “” Then
0 s2 e) f& d6 b& R! y1 C( K CC_Info(0) = “cclog.txt” ‘日志文件名( ^$ t% b% N: V' c
CC_Info(1) = Request.ServerVariables(“HTTP_X_FORWARDED_FOR”)5 i: V# P- P0 @( ^) O, [- O
CC_Info(2) = Request.ServerVariables(“REMOTE_ADDR”)' Z" y( Y( Y5 S- H3 [( ?
CC_Info(3) = 10 ‘N秒内禁止刷新当前页面
. y0 j( C( L7 N8 R, f( Y CC_Info(4) = “badip.txt” ‘IP黑名单文件名6 G: W, f: b& q9 u
Session(“CC_Info”) = CC_Info(0) &”|”& CC_Info(1) &”|”& CC_Info(2) &”|”& CC_Info(3) &”|”& CC_Info(4)' G! J' x- I' D. ~2 w
Else% c6 b# I6 w3 [$ m8 b @# [
strInfo = Split(Session(“CC_Info”),”|”)
k# Y: N9 D8 A' o CC_Info(0) = strInfo(0)1 t) D/ f' N- `1 f
CC_Info(1) = strInfo(1)
. ?4 Q0 J/ P+ N( K" O! x& r CC_Info(2) = strInfo(2)
3 r+ ]0 ]: P, K( c# f7 H: _9 c! E CC_Info(3) = strInfo(3)
4 p" P/ N( \3 q! C$ {' _/ t CC_Info(4) = strInfo(4)
) z6 N3 A( E0 z% R/ Z2 y8 ~ End If4 a; j$ q& W, G* o4 c+ V0 u1 y
1 k4 r& v7 p O9 m) q1 K
Const chkRefresh = 1 ’ 0关闭防刷新. |8 C' ^) b" Z& I
Const chkProxy = 1 ’0关闭代理验证; w8 f: N& r' O0 j+ a/ V0 G2 v
Const chkBadIP = 1 ’0关闭IP黑名单! ]2 Z. J P6 V# k
]9 ]% Q. ^# s If Session(“BadIP”) = “” Then
& z# R7 j- p6 t& O strInfo = ReadFile(CC_Info(4))
1 }! z/ I) p, Q/ s7 R# \ If strInfo = “” Then strInfo = “chinavb.net”
. P& n. r7 ^' P& N: h8 \9 o7 Q9 W Session(“BadIP”) = strInfo
! i- }% S6 B4 n |+ t0 E) Q Else0 Q4 r9 N1 h7 ?9 p
strInfo = Session(“BadIP”)
4 [5 h- P6 |: l End If. M# j0 U" j* c+ H# O, @$ o
4 n, D. J* p5 T& }/ b) d ‘
S, X2 ?- S* C If chkRefresh = 1 Then5 c2 `! b' m: T- |$ Q: h8 p
If Session(“RefreshTime”)=”" Then
6 |* z# f3 J" G( l8 \$ ~ }1 U Session(“RefreshTime”)=Now()
8 ?( x) w9 B W3 K Else2 f9 e0 m5 P$ i8 b
If DateDiff(“s”, Session(“RefreshTime”), Now()) < CInt(CC_Info(3)) Then, D! d& U" S8 w% t. }: [" s
Response.Write(“系统繁忙，请稍候再试！错误代码001″)( p2 L/ A4 F$ }) u( x
Response.End()
: y3 S7 Z- A; z+ b( b5 I" U Else
. G, D1 \/ r; O% E# ~: C Session(“RefreshTime”)=Now()2 C- z+ W; c; j5 t* E
End If
# ]$ G, ^( i2 [& u3 O End If
! l' \* I& Z" S End If! h, C5 A# h$ ^; h9 ]% m3 @
/ X' n5 u7 O& P9 U- i5 ~
‘! x) Z" l! q" ~
If chkProxy = 1 Then
* f/ ?! O3 a. p& r; n If CC_Info(1) <> “” Then, g8 A7 M; |0 b# j% [
If InStr(strInfo,CC_Info(1)) = 0 Then+ S' I( X' y5 U$ T& B1 W
strTemp = CC_Info(1) & vbCrLf/ P2 a: c. W" E6 L% `
If InStr(strInfo,CC_Info(2)) = 0 Then
, g D: J( z2 E3 G& d) ~( a* i# @ strTemp = strTemp & “[" & CC_Info(2) & "]” & vbCrLf7 _4 H' ]- N% B3 L8 F5 i- Z' X
End If
$ q, l+ G; ]+ w" a SaveLog CC_Info(4),strTemp: g& h; @0 j5 Q- w; L9 E' ~- U
strInfo = strInfo & strTemp
7 A$ H, t& g& {! k' | Session(“BadIP”) = strInfo
; |! \) A9 e: E3 V( v! f! e End If
4 g: f/ V' E( H A$ [; u ‘记录CC攻击日志* d* v5 ?( @( l0 ~( Y/ H8 @4 h- s- l
SaveLog CC_Info(0),CC_Info(1) & “["& CC_Info(2) & "]” & Now() &vbCrLf1 i+ o8 T8 _$ t9 m; o1 }
Response.Write(“系统繁忙，请稍候再试！错误代码002″)
m3 {( Y1 ]" r9 W Response.End()4 V% |7 r# Z, H
End If
. D8 [) N" h% L# U! \, \ End If R$ f* w5 Q! Q
' J _0 M$ k8 D1 {; U- n9 w
‘, t$ o3 a7 r! w0 t. {
If chkBadIP = 1 Then
8 l# U" W, q& N, t* i If InStr(strInfo,CC_Info(2))>0 Then
1 V8 |. h$ z1 H( C* }6 T8 s Response.Write(“系统繁忙，请稍候再试！错误代码003″)
+ K1 Y, c3 w3 ~+ d5 O) U Response.End()
) M5 u9 U' u7 t4 D& n End If5 e% q( d+ {8 \8 A! k5 e
End If) f. N, L4 U w6 _) w
2 }) l7 N; E8 B5 M! q: U9 @# m0 v ‘ForReading=1,ForWriting=2,ForAppending=8" n, {; D* @: o8 \5 R. B+ y+ Q! J
Function SaveLog(filename, filecontent)
; l4 P. r) E+ z( m On Error Resume Next
( k' a( M- O3 V9 j) F* R Dim fso, thisfile
4 w. ?: f$ t* O7 U! w" v. s5 H filename = Server.MapPath(filename)9 Q. e0 E2 L3 |; g
Set fso = CreateObject(“Scripting.FileSystemObject”)
+ t9 e/ o! ^/ l/ f; }( s If Err <> 0 Then) D) Y3 |; N6 W4 v
Response.Write(“写入文件”&filename&”失败，可能您的系统不支持FSO！”)
f' y: f! X1 k Response.End()
# L* c* X3 \1 s End If8 A, ?4 ~, @+ D1 o- Q
Set thisfile = fso.OpenTextFile(filename, 8, True)- i- N1 ^4 c; s
thisfile.write (filecontent)
, \& i6 d( u5 A% Q+ ^# o6 \' n thisfile.Close
& v5 A/ `6 C/ Y; E j Set fso = Nothing/ \6 h( n: ~* {# {
End Function
j* z- i) D: \9 d 0 V: U3 L! b1 ]3 M4 R+ H: o8 `7 Q. u- k
Function ReadFile(filename)9 [4 L: I7 O( ~9 C
On Error Resume Next
! E9 a! |. }' m( U Dim fso, thisfile
& z H' H" V, }& d; h( E Set fso = CreateObject(“Scripting.FileSystemObject”)5 J! r0 |2 C% G6 G
If Err <> 0 Then
g4 @3 r1 C- g9 ^ Response.Write(“读取文件”&filename&”失败，可能您的系统不支持FSO！”)
' @; S* U9 a" W/ I; c' M2 D Response.End(); j0 H- b3 b+ O) v2 p5 k
End If
5 Q# O* [9 c9 N2 |& _7 }% U1 C/ Z( J Set thisfile = fso.OpenTextFile(Server.MapPath(filename), 1, True)/ f, t. E9 G" T+ S3 B! z. Z; y
ReadFile = thisfile.ReadAll, Z# M2 Q* K; Z- o4 P& f9 W9 u% [
thisfile.Close
( G4 V% n4 Q2 L Set thisfile = Nothing* i& S7 ^) @, R: M& e1 M: V" y7 a
Set fso = Nothing, C' G6 \" I$ D9 Y0 ?
End Function( U: L& l* {# r- s
%> |
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