l 20//en">
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<head><title>502 bad gateway</title></head>
<body bgcolor="white">
<h1>502 bad gateway</h1>
the proxy server received an invalid response from an upstream server sorry for the inconvenience
please report this message and include the following information to us
thank you very much!
<table>
<tr>
<td>url:</td>
<td>book3gcn/xuan/indexphpm=book&a=content&bookid=421044&menuid=909&scsid=book3gcn/xuan/indexphpm=user&a=logincheck&wsto=0&waped=9&wsto=0&waped=9</td>
</tr>
<tr>
<td>server:</td>
<td>pboongin01rmzgomo</td>
</tr>
<tr>
<td>date:</td>
<td>2016/10/04 00:12:31</td>
</tr>
</table>
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