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<div class="subTitle">org.apache.hadoop.security.http</div>
<h2 title="Class XFrameOptionsFilter" class="title">Class XFrameOptionsFilter</h2>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Evolving
public class <span class="typeNameLabel">XFrameOptionsFilter</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements javax.servlet.Filter</pre>
<div class="block">This filter protects webapps from clickjacking attacks that
are possible through use of Frames to embed the resources in another
application and intercept clicks to accomplish nefarious things.</div>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/http/XFrameOptionsFilter.XFrameOptionsResponseWrapper.html" title="class in org.apache.hadoop.security.http">XFrameOptionsFilter.XFrameOptionsResponseWrapper</a></span></code>
<div class="block">This wrapper allows the rest of the filter pipeline to
see the configured value when interrogating the response.</div>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/http/XFrameOptionsFilter.html#CUSTOM_HEADER_PARAM">CUSTOM_HEADER_PARAM</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/http/XFrameOptionsFilter.html#X_FRAME_OPTIONS">X_FRAME_OPTIONS</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/http/XFrameOptionsFilter.html#XFrameOptionsFilter--">XFrameOptionsFilter</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/http/XFrameOptionsFilter.html#destroy--">destroy</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/http/XFrameOptionsFilter.html#doFilter-javax.servlet.ServletRequest-javax.servlet.ServletResponse-javax.servlet.FilterChain-">doFilter</a></span>(javax.servlet.ServletRequest&nbsp;req,
javax.servlet.ServletResponse&nbsp;res,
javax.servlet.FilterChain&nbsp;chain)</code>&nbsp;</td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/http/XFrameOptionsFilter.html#getFilterParams-org.apache.hadoop.conf.Configuration-java.lang.String-">getFilterParams</a></span>(<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;confPrefix)</code>
<div class="block">Constructs a mapping of configuration properties to be used for filter
initialization.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/security/http/XFrameOptionsFilter.html#init-javax.servlet.FilterConfig-">init</a></span>(javax.servlet.FilterConfig&nbsp;config)</code>&nbsp;</td>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> X_FRAME_OPTIONS</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> CUSTOM_HEADER_PARAM</pre>
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<pre>public&nbsp;XFrameOptionsFilter()</pre>
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<h4>destroy</h4>
<pre>public&nbsp;void&nbsp;destroy()</pre>
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<dd><code>destroy</code>&nbsp;in interface&nbsp;<code>javax.servlet.Filter</code></dd>
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<h4>doFilter</h4>
<pre>public&nbsp;void&nbsp;doFilter(javax.servlet.ServletRequest&nbsp;req,
javax.servlet.ServletResponse&nbsp;res,
javax.servlet.FilterChain&nbsp;chain)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
javax.servlet.ServletException</pre>
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<dd><code>doFilter</code>&nbsp;in interface&nbsp;<code>javax.servlet.Filter</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
<dd><code>javax.servlet.ServletException</code></dd>
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<h4>init</h4>
<pre>public&nbsp;void&nbsp;init(javax.servlet.FilterConfig&nbsp;config)
throws javax.servlet.ServletException</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>init</code>&nbsp;in interface&nbsp;<code>javax.servlet.Filter</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>javax.servlet.ServletException</code></dd>
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<h4>getFilterParams</h4>
<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getFilterParams(<a href="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</a>&nbsp;conf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;confPrefix)</pre>
<div class="block">Constructs a mapping of configuration properties to be used for filter
initialization. The mapping includes all properties that start with the
specified configuration prefix. Property names in the mapping are trimmed
to remove the configuration prefix.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - configuration to read</dd>
<dd><code>confPrefix</code> - configuration prefix</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>mapping of configuration properties to be used for filter
initialization</dd>
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