故障描述：
E1 w2 X0 ^! j( z8 r退出登录时出现”您当前的访问请求当中含有非法字符，已经被系统拒绝“错误。
( z3 o5 t0 P: ?4 L4 ~: ?/ v N解决方法：
1 Q% M7 G, ^/ @7 d+ K打开 sourceclassdiscuzdiscuz_application.php 文件
/ t" `2 ~7 N+ x* A找到
$ |' G7 t8 `0 ]! [private function _xss_check() {
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' _( Q4 r5 p$ o% H; k) E static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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" c- |$ J4 }2 S' ]. F if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
; h8 l' E% I1 ?: n) d, O system_error('request_tainting');
7 D6 R/ r+ B$ I }
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( E5 j6 `( g/ f& F& K/ T! |9 j, } if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
9 g' y i/ q S } elseif(empty ($_GET['formhash'])) {
/ \" f0 M8 y4 `8 A/ I0 H3 ` $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
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}
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; o' n% P$ S, O# a$ S if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
1 s1 e0 M+ h& T$ Z foreach ($check as $str) {
/ R* A1 q: @' M% _- \/ Y if(strpos($temp, $str) !== false) {
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system_error('request_tainting');
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}
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}
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1 F+ z: _: H; i9 W return true;
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}
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修改为
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private function _xss_check() {
0 l% z8 f( U" d+ F$ @; l $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
# \' F! W1 R& R' S$ Z: N5 N if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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system_error('request_tainting');
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return true;
1 V7 m' P1 P) M/ e, x}
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