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Update java/ql/src/experimental/Security/CWE/CWE-348/UseOfLessTrustedSource.qhelp

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Co-authored-by: Chris Smowton <smowton@github.com>
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haby0
2021-04-20 19:33:47 +08:00
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commit 9ece4dac0f
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java/ql/src/experimental/Security/CWE/CWE-348/UseOfLessTrustedSource.qhelp
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@@ -10,7 +10,7 @@ bypass a ban-list, for example.</p>
</overview>
<recommendation>
<p>When the software is not using a proxy server, get the last ip.</p>
<p>Do not trust the values of HTTP headers allegedly identifying the originating IP. If you are aware your application will run behind some reverse proxies then the last entry of a <code>X-Forwarded-For</code> header value may be more trustworthy than the rest of it because some reverse proxies append the IP address they observed to the end of any remote-supplied header.</p>
</recommendation>
<example>