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    I do not understand where exactly the change must be made. Where is
    made the function call "filter_username"? <br>
    <br>
    Thank you<br>
    <br>
    <div class="moz-cite-prefix">On 23-05-2014 07:53,
      <a class="moz-txt-link-abbreviated" href="mailto:A.L.M.Buxey@lboro.ac.uk">A.L.M.Buxey@lboro.ac.uk</a> wrote:<br>
    </div>
    <blockquote cite="mid:20140523105320.GA18973@lboro.ac.uk"
      type="cite">
      <pre wrap="">Hi,

</pre>
      <blockquote type="cite">
        <pre wrap="">Usage freeradius 2.1.2 and i'm with problems about username authentication.

Simply authentication accept any variations of the same username. Example:
</pre>
      </blockquote>
      <pre wrap="">
either use the filter_username and enable the case checking rule, or
'tolower' your user-name when checking directly but just enabling this:

</pre>
      <blockquote type="cite">
        <pre wrap="">*# Mixed case: reject**
**                if (User-Name != "%{tolower:%{User-Name}}") {**
**                        reject**
**                }*
</pre>
      </blockquote>
      <pre wrap="">
by commenting it and calling filter_username in yoru authorization stage
should work

alan
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</pre>
    </blockquote>
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