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cs202
V2EX  ›  问与答

求助:为什么 V2EX 的所有图片(包括头像)都无法显示?

  •  
  •   cs202 · 2017-02-20 14:42:01 +08:00 · 1476 次点击
    这是一个创建于 2593 天前的主题,其中的信息可能已经有所发展或是发生改变。

    RT , 从上周开始,无论是图片,头像,甚至是右侧的广告图片都无法正常显示,测试了 Safari 和 chrome 下都不可以,清除 cookie 也没用,大家有遇到这种情况吗?

    5 条回复    2017-02-20 15:04:31 +08:00
    msg7086
        1
    msg7086  
       2017-02-20 14:47:36 +08:00
    $ curl https://v2ex.assets.uxengine.net/avatar/3231/749a/68006_normal.png -v
    * Trying 23.251.105.133...
    * TCP_NODELAY set
    * Connected to v2ex.assets.uxengine.net (23.251.105.133) port 443 (#0)
    * ALPN, offering h2
    * ALPN, offering http/1.1
    * Cipher selection: ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
    * successfully set certificate verify locations:
    * CAfile: /etc/ssl/certs/ca-certificates.crt
    CApath: /etc/ssl/certs
    * TLSv1.2 (OUT), TLS header, Certificate Status (22):
    * TLSv1.2 (OUT), TLS handshake, Client hello (1):
    * TLSv1.2 (IN), TLS handshake, Server hello (2):
    * TLSv1.2 (IN), TLS handshake, Certificate (11):
    * TLSv1.2 (IN), TLS handshake, Server key exchange (12):
    * TLSv1.2 (IN), TLS handshake, Server finished (14):
    * TLSv1.2 (OUT), TLS handshake, Client key exchange (16):
    * TLSv1.2 (OUT), TLS change cipher, Client hello (1):
    * TLSv1.2 (OUT), TLS handshake, Finished (20):
    * TLSv1.2 (IN), TLS change cipher, Client hello (1):
    * TLSv1.2 (IN), TLS handshake, Finished (20):
    * SSL connection using TLSv1.2 / ECDHE-RSA-AES128-GCM-SHA256
    * ALPN, server accepted to use h2
    * Server certificate:
    * subject: CN=cdn.v2ex.co
    * start date: Feb 5 18:11:00 2017 GMT
    * expire date: May 6 18:11:00 2017 GMT
    * subjectAltName: host "v2ex.assets.uxengine.net" matched cert's "v2ex.assets.uxengine.net"
    * issuer: C=US; O=Let's Encrypt; CN=Let's Encrypt Authority X3
    * SSL certificate verify ok.
    * Using HTTP2, server supports multi-use
    * Connection state changed (HTTP/2 confirmed)
    * Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
    * Using Stream ID: 1 (easy handle 0x5637264abd60)
    > GET /avatar/3231/749a/68006_normal.png HTTP/1.1
    > Host: v2ex.assets.uxengine.net
    > User-Agent: curl/7.52.1
    > Accept: */*
    >
    * Connection state changed (MAX_CONCURRENT_STREAMS updated)!
    < HTTP/2 502
    < server: nginx/1.11.3
    < date: Mon, 20 Feb 2017 06:47:12 GMT
    < content-type: text/html
    < content-length: 173
    <
    <html>
    <head><title>502 Bad Gateway</title></head>
    <body bgcolor="white">
    <center><h1>502 Bad Gateway</h1></center>
    <hr><center>nginx/1.11.3</center>
    </body>
    </html>
    * Curl_http_done: called premature == 0
    * Connection #0 to host v2ex.assets.uxengine.net left intact
    cs202
        2
    cs202  
    OP
       2017-02-20 14:56:45 +08:00
    @msg7086 在我这里不工作:
    ➜ ~ curl https://v2ex.assets.uxengine.net/avatar/3231/749a/68006_normal.png -v
    * Could not resolve host: v2ex.assets.uxengine.net
    * Closing connection 0
    curl: (6) Could not resolve host: v2ex.assets.uxengine.net
    ➜ ~
    misaka19000
        3
    misaka19000  
       2017-02-20 14:59:39 +08:00 via Android
    坐标和网络环境是什么?
    b821025551b
        4
    b821025551b  
       2017-02-20 15:01:40 +08:00
    @cs202 #2 Could not resolve host ,所以 dns 有问题了?
    cs202
        5
    cs202  
    OP
       2017-02-20 15:04:31 +08:00
    @misaka19000 美国, Comcast. DNS 的问题?
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