-
Notifications
You must be signed in to change notification settings - Fork 0
/
chang-jian-wang-luo-an-quan.html
265 lines (223 loc) · 15.2 KB
/
chang-jian-wang-luo-an-quan.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="author" content="CatsAction" />
<meta property="og:type" content="article" />
<meta name="twitter:card" content="summary">
<meta name="keywords" content="Django, Python, Http, 网络安全, " />
<meta property="og:title" content="常见网络安全 - 之Django支持 "/>
<meta property="og:url" content="./chang-jian-wang-luo-an-quan.html" />
<meta property="og:description" content="常见网络安全 跨站脚本攻击(XSS) Cross-Site Scripting(跨站脚本攻击)简称 XSS,是一种代码注入攻击。攻击者通过在目标网站上注入恶意脚本,使之在用户的浏览器上运行。利用这些恶意脚本,攻击者可获取用户的敏感信息如 Cookie、SessionID 等,进而危害数据安全。 <input type="text" value="<%= getParameter("keyword") %>"> <button>搜索</button> <div> 您搜索的关键词是:<%= getParameter("keyword") %> </div> 如上的代码,如果输入的url是http://xxx/search?keyword="><script>alert('XSS');</script>将执行js脚本,浏览器将抛出XSS对话框。详细介绍和前端一些解决思路,可以查看美团技术团队的文章前端安全系列(一):如何防止XSS攻击 …" />
<meta property="og:site_name" content="CatsAction's blog" />
<meta property="og:article:author" content="CatsAction" />
<meta property="og:article:published_time" content="2019-03-11T00:00:00+08:00" />
<meta name="twitter:title" content="常见网络安全 - 之Django支持 ">
<meta name="twitter:description" content="常见网络安全 跨站脚本攻击(XSS) Cross-Site Scripting(跨站脚本攻击)简称 XSS,是一种代码注入攻击。攻击者通过在目标网站上注入恶意脚本,使之在用户的浏览器上运行。利用这些恶意脚本,攻击者可获取用户的敏感信息如 Cookie、SessionID 等,进而危害数据安全。 <input type="text" value="<%= getParameter("keyword") %>"> <button>搜索</button> <div> 您搜索的关键词是:<%= getParameter("keyword") %> </div> 如上的代码,如果输入的url是http://xxx/search?keyword="><script>alert('XSS');</script>将执行js脚本,浏览器将抛出XSS对话框。详细介绍和前端一些解决思路,可以查看美团技术团队的文章前端安全系列(一):如何防止XSS攻击 …">
<title>常见网络安全 - 之Django支持 ·
CatsAction's blog
</title>
<link href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet">
<link rel="icon" type="image/x-icon" href="./theme/image/logo.ico" />
<link rel="stylesheet" type="text/css" href="./theme/css/elegant.prod.css" media="screen">
<link rel="stylesheet" type="text/css" href="./theme/css/custom.css" media="screen">
</head>
<body>
<div id="content">
<div class="navbar navbar-static-top">
<div class="navbar-inner">
<div class="container-fluid">
<a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</a>
<a class="brand" href="./"><span class=site-name>CatsAction's blog</span></a>
<div class="nav-collapse collapse">
<ul class="nav pull-right top-menu">
<li >
<a href=
.
>Home</a>
</li>
<li ><a href="./categories.html">Categories</a></li>
<li ><a href="./tags.html">Tags</a></li>
<li ><a href="./archives.html">Archives</a></li>
<li><form class="navbar-search" action="./search.html" onsubmit="return validateForm(this.elements['q'].value);"> <input type="text" class="search-query" placeholder="Search" name="q" id="tipue_search_input"></form></li>
</ul>
</div>
</div>
</div>
</div>
<div class="container-fluid">
<div class="row-fluid">
<div class="span1"></div>
<div class="span10">
<article itemscope>
<div class="row-fluid">
<header class="page-header span10 offset2">
<h1>
<a href="./chang-jian-wang-luo-an-quan.html">
常见网络安全
<small class="subtitle">
之Django支持
</small>
</a>
</h1>
</header>
</div>
<div class="row-fluid">
<div class="span8 offset2 article-content">
<h4>常见网络安全</h4>
<h6>跨站脚本攻击(XSS)</h6>
<p>Cross-Site Scripting(跨站脚本攻击)简称 XSS,是一种代码注入攻击。攻击者通过在目标网站上注入恶意脚本,使之在用户的浏览器上运行。利用这些恶意脚本,攻击者可获取用户的敏感信息如 Cookie、SessionID 等,进而危害数据安全。</p>
<div class="highlight"><pre><span></span><span class="p"><</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">"text"</span> <span class="na">value</span><span class="o">=</span><span class="s">"<%= getParameter("</span><span class="na">keyword</span><span class="err">")</span> <span class="err">%</span><span class="p">></span>">
<span class="p"><</span><span class="nt">button</span><span class="p">></span>搜索<span class="p"></</span><span class="nt">button</span><span class="p">></span>
<span class="p"><</span><span class="nt">div</span><span class="p">></span>
您搜索的关键词是:<span class="err"><</span>%= getParameter("keyword") %>
<span class="p"></</span><span class="nt">div</span><span class="p">></span>
</pre></div>
<p>如上的代码,如果输入的url是<code>http://xxx/search?keyword="><script>alert('XSS');</script></code>将执行js脚本,浏览器将抛出<strong>XSS</strong>对话框。详细介绍和前端一些解决思路,可以查看美团技术团队的文章<a href="https://www.cnblogs.com/meituantech/p/9718677.html">前端安全系列(一):如何防止XSS攻击?</a></p>
<h6>跨站请求伪造(CSRF)</h6>
<p>CSRF(Cross-site request forgery)跨站请求伪造:攻击者诱导受害者进入第三方网站,在第三方网站中,向被攻击网站发送跨站请求。利用受害者在被攻击网站已经获取的注册凭证,绕过后台的用户验证,达到冒充用户对被攻击的网站执行某项操作的目的。</p>
<p>一个典型的CSRF攻击有着如下的流程:</p>
<ul>
<li>受害者登录a.com,并保留了登录凭证(Cookie)。</li>
<li>攻击者引诱受害者访问了b.com。</li>
<li>b.com 向 a.com 发送了一个请求:a.com/act=xx。浏览器会默认携带- a.com的Cookie。</li>
<li>a.com接收到请求后,对请求进行验证,并确认是受害者的凭证,误以为是受害者自己发送的请求。</li>
<li>a.com以受害者的名义执行了act=xx。</li>
<li>攻击完成,攻击者在受害者不知情的情况下,冒充受害者,让a.com执行了自己定义的操作</li>
</ul>
<p>关注CSRF的详细介绍,参考美团技术团队文章<a href="https://www.cnblogs.com/meituantech/p/9777222.html">前端安全系列之二:如何防止CSRF攻击?</a></p>
<p>对于CSRF的预防,可以禁止跨域访问,或者追加一个Token(AES/CBC/PKCS5Padding 模式加密用户id,时间戳和一个随机字符串生成)</p>
<h6>SQL注入</h6>
<p>SQL注入是攻击者利用网站漏铜,输入特殊的SQL字符从而,从而执行数据库达到获取敏感信息或破坏数据库的目的。具体的SQL注入,可参考<a href="https://www.oschina.net/translate/sql-injection-walkthrought">SQL注入演练</a></p>
<h6>点击劫持</h6>
<p>点击劫持是指在一个Web页面下隐藏了一个透明的iframe(opacity:0),用外层假页面诱导用户点击,实际上是在隐藏的frame上触发了点击事件进行一些用户不知情的操作。详情请看<a href="https://www.freebuf.com/articles/web/67843.html">浅析解析劫持攻击</a></p>
<h4>Django解决方案</h4>
<h6>XSS</h6>
<p>Django模板提供了自动对用户输入的转义。</p>
<h6>XSRF</h6>
<p>Django利用附加随机Token解决,Django模板引擎可以通过csrf_token打卡。</p>
<h6>HTTPS支持</h6>
<p>设置<code>SECURE_SSL_REDIRECT¶</code>等于<code>True</code>打卡对HTTPS的支持。。</p>
<p>详情查看<a href="https://docs.djangoproject.com/en/3.0/topics/security/">Django 安全</a></p>
<hr />
<aside>
<nav>
<ul class="articles-timeline">
<li class="previous-article">« <a href="./hou-duan-fu-wu-xing-neng-diao-you.html"
title="Previous: 后端服务性能调优 - 因素,测试及思路">后端服务性能调优 <small class="subtitle">因素,测试及思路</small></a></li>
</ul>
</nav>
</aside>
</div>
<section id="article-sidebar" class="span2">
<h4>Published</h4>
<time itemprop="dateCreated" datetime="2019-03-11T00:00:00+08:00"> 3
11, 2019</time>
<!---->
<h4>Category</h4>
<a class="category-link"
href="./categories.html#wang-luo-an-quan-ref">网络安全</a>
<h4>Tags</h4>
<ul class="list-of-tags tags-in-article">
<li><a href="./tags.html#django-ref">Django
<span>3</span>
</a></li>
<li><a href="./tags.html#http-ref">Http
<span>2</span>
</a></li>
<li><a href="./tags.html#python-ref">Python
<span>1</span>
</a></li>
</ul>
<h4>Stay in Touch</h4>
<div id="sidebar-social-link">
<a href="mailto:[email protected]" title="My Email Address" target="_blank" rel="nofollow noopener noreferrer">
<svg xmlns="http://www.w3.org/2000/svg" aria-label="Mail" role="img" viewBox="0 0 512 512"><rect width="512" height="512" rx="15%" fill="#328cff"/><path d="m250 186c-46 0-69 35-69 74 0 44 29 72 68 72 43 0 73-32 73-75 0-44-34-71-72-71zm-1-37c30 0 57 13 77 33 0-22 35-22 35 1v150c-1 10 10 16 16 9 25-25 54-128-14-187-64-56-149-47-195-15-48 33-79 107-49 175 33 76 126 99 182 76 28-12 41 26 12 39-45 19-168 17-225-82-38-68-36-185 67-248 78-46 182-33 244 32 66 69 62 197-2 246-28 23-71 1-71-32v-11c-20 20-47 32-77 32-57 0-108-51-108-108 0-58 51-110 108-110" fill="#fff"/></svg>
</a>
<a href="https://github.com/boyaziqi" title="catsaction Github Repository" target="_blank" rel="nofollow noopener noreferrer">
<svg xmlns="http://www.w3.org/2000/svg" aria-label="GitHub" role="img" viewBox="0 0 512 512"><rect width="512" height="512" rx="15%" fill="#1B1817"/><path fill="#fff" d="M335 499c14 0 12 17 12 17H165s-2-17 12-17c13 0 16-6 16-12l-1-50c-71 16-86-28-86-28-12-30-28-37-28-37-24-16 1-16 1-16 26 2 40 26 40 26 22 39 59 28 74 22 2-17 9-28 16-35-57-6-116-28-116-126 0-28 10-51 26-69-3-6-11-32 3-67 0 0 21-7 70 26 42-12 86-12 128 0 49-33 70-26 70-26 14 35 6 61 3 67 16 18 26 41 26 69 0 98-60 120-117 126 10 8 18 24 18 48l-1 70c0 6 3 12 16 12z"/></svg>
</a>
<a href="https://www.linkedin.com/feed/" title="My LinkedIn" target="_blank" rel="nofollow noopener noreferrer">
<svg xmlns="http://www.w3.org/2000/svg" aria-label="LinkedIn" role="img" viewBox="0 0 512 512" fill="#fff"><rect width="512" height="512" rx="15%" fill="#0077b5"/><circle cx="142" cy="138" r="37"/><path stroke="#fff" stroke-width="66" d="M244 194v198M142 194v198"/><path d="M276 282c0-20 13-40 36-40 24 0 33 18 33 45v105h66V279c0-61-32-89-76-89-34 0-51 19-59 32"/></svg>
</a>
</div>
<h4>Friendship Links</h4>
<ul class="list-of-tags tags-in-article">
<li>
<a href="https://leetcode-cn.com/" title="力扣中国站点" target="_blank" rel="nofollow noopener noreferrer">
LeetCode
</a>
</li>
<li>
<a href="https://coolshell.cn/about" title="陈皓酷壳" target="_blank" rel="nofollow noopener noreferrer">
CoolShell
</a>
</li>
<li>
<a href="https://yikun.github.io/" title="姜毅坤博客" target="_blank" rel="nofollow noopener noreferrer">
Yikun
</a>
</li>
<li>
<a href="https://www.nowcoder.com/" title="牛客网" target="_blank" rel="nofollow noopener noreferrer">
牛客网
</a>
</li>
</ul>
</section>
</div>
</article>
</div>
<div class="span1"></div>
</div>
</div>
</div>
<footer>
<div>
<span class="site-name">CatsAction's blog</span> - It's a wonderful world
</div>
<div id="fpowered">
Powered by: <a href="http://getpelican.com/" title="Pelican Home Page" target="_blank" rel="nofollow noopener noreferrer">Pelican</a>
Theme: <a href="https://elegant.oncrashreboot.com/" title="Theme Elegant Home Page" target="_blank" rel="nofollow noopener noreferrer">Elegant</a>
</div>
</footer> <script src="//code.jquery.com/jquery.min.js"></script>
<script src="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
<script>
function validateForm(query)
{
return (query.length > 0);
}
</script>
<script>
(function () {
if (window.location.hash.match(/^#comment-\d+$/)) {
$('#comment_thread').collapse('show');
}
})();
window.onhashchange=function(){
if (window.location.hash.match(/^#comment-\d+$/))
window.location.reload(true);
}
$('#comment_thread').on('shown', function () {
var link = document.getElementById('comment-accordion-toggle');
var old_innerHTML = link.innerHTML;
$(link).fadeOut(200, function() {
$(this).text('Click here to hide comments').fadeIn(200);
});
$('#comment_thread').on('hidden', function () {
$(link).fadeOut(200, function() {
$(this).text(old_innerHTML).fadeIn(200);
});
})
})
</script>
</body>
<!-- Theme: Elegant built for Pelican
License : MIT -->
</html>