访问http://pkg.phpcomposer.com/repo/packagist/packages.json的时候返回:
< HTTP/1.1 502 Bad Gateway
* Server nginx/1.4.6 (Ubuntu) is not blacklisted
< Server: nginx/1.4.6 (Ubuntu)
< Date: Fri, 12 Jun 2015 10:10:39 GMT
< Content-Type: text/html
< Content-Length: 181
< Connection: keep-alive
<
<html>
<head><title>502 Bad Gateway</title></head>
<body bgcolor="white">
<center><h1>502 Bad Gateway</h1></center>
<hr><center>nginx/1.4.6 (Ubuntu)</center>
</body>
</html>
* Connection #0 to host
pkg.phpcomposer.com left intact