第11章 NO.11[第1页/共1页]
<head><title>502 Bad Gateway</title></head>
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</html>
<center><h1>502 Bad Gateway</h1></center>
<hr><center>nginx/1.2.6</center>
<head><title>502 Bad Gateway</title></head>
</body>
<html>
</html>
<center><h1>502 Bad Gateway</h1></center>
<hr><center>nginx/1.2.6</center>