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  <h1 class="title">Hosts files
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  <ul class="tags">
    
    <li><a href="../tags/adblock/index.html#">adblock</a> </li>
    
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  <p>The enhanced hosts files &quot;hosts&quot; and &quot;default.hosts&quot; take effect with the setting option &quot;use hosts&quot;.</p>
<h4 id="hosts">hosts</h4>
<p>The <span  style="color:red">enhanced</span> file <a href="file:///data/data/info.torapp.uweb/files/hosts">&quot;hosts&quot;</a> defines IP addresses/attributes for domains. Each line has the following format:<br>
[[IP address][attributes]][single space][domain name]</p>
<p>where &quot;[[IP address][attributes]]&quot; could be:</p>
<ul>
<li>
<p>ipv4 address such as:<br>
172.67.157.211 torapp.eu.org</p>
</li>
<li>
<p>ipv6 address, Ex.:<br>
[2606:4700:3037::6815:8c3] torapp.eu.org</p>
</li>
<li>
<p>empty, that would lift all server-imposed limitations. Ex.:<br>
[single space]gitee.com</p>
<p>which will make all git repositories on the domain visitable as websites with raw file access url.</p>
</li>
<li>
<p>response headers, separeded by ';', Ex.:<br>
Access-Control-Allow-Origin;https://www.bing.com;Access-Control-Allow-Credentials;true mybing.xn--xyza.top</p>
<p>which makes &quot;mybing2.xn--xyza.top&quot; to accept CORS requests with cookies.</p>
</li>
<li>
<p>IP address and response headers, separeded by ';', Ex.:<br>
104.21.8.195;Access-Control-Allow-Origin;https://www.bing.com;Access-Control-Allow-Credentials;true uweb.torapp.eu.org</p>
</li>
<li>
<p>IP address, real domain name and response headers (Experimental), separeded by ';', Ex.:<br>
104.21.8.195;www.bing.com uweb.torapp.eu.org</p>
<p>which indicates the domain &quot;uweb.torapp.eu.org&quot; is just a proxy of &quot;www.bing.com&quot;, and as such, the cookies of &quot;www.bing.com&quot; would be used for &quot;uweb.torapp.eu.org&quot;.</p>
<p>To make life easier, use lower-case domain name (the first letter should not be a digital) and capitalize the first letter of response header names.</p>
</li>
</ul>
<h4 id="defaulthosts">default.hosts</h4>
<p><a href="file:///data/data/info.torapp.uweb/files/default.hosts">&quot;default.hosts&quot;</a> blocks whole domain trees including all descendant domains. The domains in the hosts file must be 2 or 3 segment domains, such as &quot;yahoo.com&quot; and &quot;finance.yahoo.com&quot;. If the length of the last 2 segments is less than 7, such as &quot;com.pl&quot;, then it is treated as one segment, so domains like &quot;xxx.xxx.com.pl&quot; are also valid in the hosts file.</p>
<p>Each line of the hosts file has the following format:<br>
[rootDomain][space][regex for domain prefix before rootDomain][space][regex for the whole url without &quot;http(s)://&quot;]<br>
The first part [rootDomain] is required and the others are optional. regex is java-grammar regular expression. If the second regex is used, it is recommended to merge the first regex to the second one for performance.</p>

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<p>Last Modified: 2 April 2024<br>
update bingAI/js/optionsSets.js<br>
<pre></pre>
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