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    <font face="Helvetica, Arial, sans-serif">Hi all,<br>
      <br>
      I don't understand why this piece of code:<br>
      <br>
    </font><font face="Helvetica, Arial, sans-serif"><span
        style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;"><MetadataProvider</span><span
        style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;"> id="URLMD-IDEM-Federation"</span><br
        style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial;">
      <span style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;">                              
        xsi:type="FileBackedHTTPMetadataProvider"</span><br
        style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial;">
      <span style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;">                               <b>proxyHost="proxy.server.org"</b></span><b><br
          style="font-family: Verdana, sans-serif; font-size: 12.16px;
          font-style: normal; font-variant-ligatures: normal;
          font-variant-caps: normal; letter-spacing: normal; text-align:
          start; text-indent: 0px; text-transform: none; white-space:
          normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;
          background-color: rgb(255, 255, 255);
          text-decoration-thickness: initial; text-decoration-style:
          initial; text-decoration-color: initial;">
      </b><b><span style="font-family: Verdana, sans-serif; font-size:
          12.16px; font-style: normal; font-variant-ligatures: normal;
          font-variant-caps: normal; letter-spacing: normal; text-align:
          start; text-indent: 0px; text-transform: none; white-space:
          normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;
          background-color: rgb(255, 255, 255);
          text-decoration-thickness: initial; text-decoration-style:
          initial; text-decoration-color: initial; display: inline
          !important; float: none;"></span></b></font><font
      face="Helvetica, Arial, sans-serif"><b><span style="font-family:
          Verdana, sans-serif; font-size: 12.16px; font-style: normal;
          font-variant-ligatures: normal; font-variant-caps: normal;
          letter-spacing: normal; text-align: start; text-indent: 0px;
          text-transform: none; white-space: normal; word-spacing: 0px;
          -webkit-text-stroke-width: 0px; background-color: rgb(255,
          255, 255); text-decoration-thickness: initial;
          text-decoration-style: initial; text-decoration-color:
          initial; display: inline !important; float: none;"><font
            face="Helvetica, Arial, sans-serif"><span
              style="font-family: Verdana, sans-serif; font-size:
              12.16px; font-style: normal; font-variant-ligatures:
              normal; font-variant-caps: normal; letter-spacing: normal;
              text-align: start; text-indent: 0px; text-transform: none;
              white-space: normal; word-spacing: 0px;
              -webkit-text-stroke-width: 0px; background-color: rgb(255,
              255, 255); text-decoration-thickness: initial;
              text-decoration-style: initial; text-decoration-color:
              initial; display: inline !important; float: none;">       
                                     p</span></font>roxyPort="8888"</span></b><br
        style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial;">
      <span style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;"></span></font><font face="Helvetica,
      Arial, sans-serif"><span style="font-family: Verdana, sans-serif;
        font-size: 12.16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; text-align: start; text-indent: 0px;
        text-transform: none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;"><font face="Helvetica, Arial,
          sans-serif"><span style="font-family: Verdana, sans-serif;
            font-size: 12.16px; font-style: normal;
            font-variant-ligatures: normal; font-variant-caps: normal;
            font-weight: 400; letter-spacing: normal; text-align: start;
            text-indent: 0px; text-transform: none; white-space: normal;
            word-spacing: 0px; -webkit-text-stroke-width: 0px;
            background-color: rgb(255, 255, 255);
            text-decoration-thickness: initial; text-decoration-style:
            initial; text-decoration-color: initial; display: inline
            !important; float: none;">                               </span></font>backingFile="%{idp.home}/metadata/downloaded-metadata.xml"</span><br
        style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial;">
      <span style="font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; text-align: start; text-indent: 0px; text-transform:
        none; white-space: normal; word-spacing: 0px;
        -webkit-text-stroke-width: 0px; background-color: rgb(255, 255,
        255); text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial; display: inline
        !important; float: none;"></span></font><font face="Helvetica,
      Arial, sans-serif"><span style="color: rgb(102, 0, 0);
        font-family: Verdana, sans-serif; font-size: 12.16px;
        font-style: normal; font-variant-ligatures: normal;
        font-variant-caps: normal; font-weight: 400; letter-spacing:
        normal; orphans: 2; text-align: start; text-indent: 0px;
        text-transform: none; white-space: normal; widows: 2;
        word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"><font
          face="Helvetica, Arial, sans-serif" color="#000000"><span
            style="font-family: Verdana, sans-serif; font-size: 12.16px;
            font-style: normal; font-variant-ligatures: normal;
            font-variant-caps: normal; font-weight: 400; letter-spacing:
            normal; text-align: start; text-indent: 0px; text-transform:
            none; white-space: normal; word-spacing: 0px;
            -webkit-text-stroke-width: 0px; background-color: rgb(255,
            255, 255); text-decoration-thickness: initial;
            text-decoration-style: initial; text-decoration-color:
            initial; display: inline !important; float: none;">         
                                 </span></font><font color="#000000">metadataURL=<a class="moz-txt-link-rfc2396E" href="http://metadata.server.org/downloaded-metadata.xml">"http://metadata.server.org/downloaded-metadata.xml"</a>></font><br>
        <br>
      </span></font><font face="Helvetica, Arial, sans-serif">works for
      Shibboleth IdP v3.x, but not for on Shibboleth IdP v4.x.<br>
      <br>
      Can someoune help me to understand how to use my proxy to download
      metadata with a MetadataProvider, please?<br>
      <br>
      I didn't find any difference on the documentation:<br>
      <br>
      -
<a class="moz-txt-link-freetext" href="https://wiki.shibboleth.net/confluence/display/IDP30/FileBackedHTTPMetadataProvider#FileBackedHTTPMetadataProvider-HTTPProxyAttributesHTTPProxyAttributes">https://wiki.shibboleth.net/confluence/display/IDP30/FileBackedHTTPMetadataProvider#FileBackedHTTPMetadataProvider-HTTPProxyAttributesHTTPProxyAttributes</a><br>
      -
<a class="moz-txt-link-freetext" href="https://wiki.shibboleth.net/confluence/display/IDP4/FileBackedHTTPMetadataProvider#HTTPProxyAttributes">https://wiki.shibboleth.net/confluence/display/IDP4/FileBackedHTTPMetadataProvider#HTTPProxyAttributes</a><br>
      <br>
      Thank you so much!</font><font face="Helvetica, Arial, sans-serif"><span
        style="color: rgb(102, 0, 0); font-family: Verdana, sans-serif;
        font-size: 12.16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 400;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(255, 255, 255); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"><br>
        <font color="#000000">Marco Malavolti</font><br>
      </span></font>
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