Github443 端口规律性超时,想请大家试试自己所在地区是否有同样的情况。 - V2EX
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zeropercenthappy
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Github443 端口规律性超时,想请大家试试自己所在地区是否有同样的情况。

  •  
  •   zeropercenthappy 2021-03-10 10:27:15 +08:00 3506 次点击
    这是一个创建于 1744 天前的主题,其中的信息可能已经有所发展或是发生改变。

    前情和详情提要: t/758568

    我这边(广东电信和联通)都出现了和链接楼主里一摸一样的情况,无论是公司、家里、手机网络。

    有同在广东的朋友也反映了出现一致的情况。

    想请大家试试自己所在地区是否有同样的情况

    19 条回复    2021-03-12 13:23:34 +08:00
    sillydaddy
        1
    sillydaddy  
       2021-03-10 11:31:11 +08:00
    分别用公司的网络(北京移动),还有自己的 4G(北京移动,北京联通)热点测了一下。
    测试方法:tcping -t github.com 443,浏览器并没有打开 github.com ,只是单纯的 tcping...

    规律如下:

    公司网络(北京移动) ,4G 热点(北京移动):
    跟楼主一样,每次超时,时间是非常准确的 3 分钟。比北京的“大姨妈式进京证”还要准确。
    超时后,会出现短暂的 ping 通,时间不等,最短只 ping 通一次,最长几十秒。


    4G 热点(北京联通):
    非常有规律的超时,且每次超时只维持 1,2 次 No response,其余时间都是 ping 通。每段 ping 通的时长,大概是 10s 或者 5s 。没有过多测试。这部分的具体数据如下:

    ```
    C:\Users\**>tcping -t github.com 443

    ** Pinging continuously. Press control-c to stop **

    Probing 52.74.223.119:443/tcp - Port is open - time=1206.298ms
    Probing 52.74.223.119:443/tcp - Port is open - time=139.423ms
    Probing 52.74.223.119:443/tcp - No response - time=2001.500ms
    Probing 52.74.223.119:443/tcp - No response - time=2001.029ms
    Probing 52.74.223.119:443/tcp - Port is open - time=545.484ms
    Probing 52.74.223.119:443/tcp - Port is open - time=153.312ms
    Probing 52.74.223.119:443/tcp - Port is open - time=153.441ms
    Probing 52.74.223.119:443/tcp - Port is open - time=137.531ms
    Probing 52.74.223.119:443/tcp - Port is open - time=141.392ms
    Probing 52.74.223.119:443/tcp - Port is open - time=154.307ms
    Probing 52.74.223.119:443/tcp - Port is open - time=157.207ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1150.087ms
    Probing 52.74.223.119:443/tcp - Port is open - time=167.929ms
    Probing 52.74.223.119:443/tcp - Port is open - time=143.909ms
    Probing 52.74.223.119:443/tcp - Port is open - time=293.581ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1175.954ms
    Probing 52.74.223.119:443/tcp - Port is open - time=152.318ms
    Probing 52.74.223.119:443/tcp - Port is open - time=143.159ms
    Probing 52.74.223.119:443/tcp - Port is open - time=149.835ms
    Probing 52.74.223.119:443/tcp - Port is open - time=272.407ms
    Probing 52.74.223.119:443/tcp - Port is open - time=141.300ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1174.043ms
    Probing 52.74.223.119:443/tcp - Port is open - time=157.583ms
    Probing 52.74.223.119:443/tcp - Port is open - time=160.159ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1171.108ms
    Probing 52.74.223.119:443/tcp - Port is open - time=140.294ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1146.048ms
    Probing 52.74.223.119:443/tcp - Port is open - time=156.782ms
    Probing 52.74.223.119:443/tcp - Port is open - time=145.642ms
    Probing 52.74.223.119:443/tcp - Port is open - time=134.585ms
    Probing 52.74.223.119:443/tcp - No response - time=2001.431ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1158.397ms
    Probing 52.74.223.119:443/tcp - Port is open - time=147.623ms
    Probing 52.74.223.119:443/tcp - Port is open - time=146.323ms
    Probing 52.74.223.119:443/tcp - Port is open - time=280.270ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1182.085ms
    Probing 52.74.223.119:443/tcp - Port is open - time=176.244ms
    Probing 52.74.223.119:443/tcp - Port is open - time=156.240ms
    Probing 52.74.223.119:443/tcp - Port is open - time=165.209ms
    Probing 52.74.223.119:443/tcp - Port is open - time=145.192ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1173.106ms
    Probing 52.74.223.119:443/tcp - Port is open - time=153.359ms
    Probing 52.74.223.119:443/tcp - Port is open - time=139.380ms
    Probing 52.74.223.119:443/tcp - Port is open - time=152.978ms
    Probing 52.74.223.119:443/tcp - Port is open - time=170.191ms
    Probing 52.74.223.119:443/tcp - Port is open - time=176.179ms
    Probing 52.74.223.119:443/tcp - Port is open - time=176.526ms
    Probing 52.74.223.119:443/tcp - Port is open - time=155.801ms
    Probing 52.74.223.119:443/tcp - Port is open - time=153.890ms
    Probing 52.74.223.119:443/tcp - Port is open - time=153.561ms
    Probing 52.74.223.119:443/tcp - Port is open - time=140.476ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1160.078ms
    Probing 52.74.223.119:443/tcp - Port is open - time=151.960ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1157.914ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1172.587ms
    Probing 52.74.223.119:443/tcp - No response - time=2000.507ms
    Probing 52.74.223.119:443/tcp - Port is open - time=156.721ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1169.221ms
    Probing 52.74.223.119:443/tcp - Port is open - time=168.544ms
    Probing 52.74.223.119:443/tcp - Port is open - time=142.525ms
    Probing 52.74.223.119:443/tcp - Port is open - time=138.443ms
    Probing 52.74.223.119:443/tcp - Port is open - time=148.958ms
    Probing 52.74.223.119:443/tcp - Port is open - time=140.405ms
    Probing 52.74.223.119:443/tcp - Port is open - time=153.996ms
    Probing 52.74.223.119:443/tcp - Port is open - time=151.621ms
    Probing 52.74.223.119:443/tcp - Port is open - time=158.897ms
    Probing 52.74.223.119:443/tcp - Port is open - time=149.869ms
    Probing 52.74.223.119:443/tcp - Port is open - time=135.513ms
    Probing 52.74.223.119:443/tcp - Port is open - time=147.747ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1173.130ms
    Probing 52.74.223.119:443/tcp - Port is open - time=154.095ms
    Probing 52.74.223.119:443/tcp - Port is open - time=159.471ms
    Probing 52.74.223.119:443/tcp - Port is open - time=152.155ms
    Probing 52.74.223.119:443/tcp - Port is open - time=178.374ms
    Probing 52.74.223.119:443/tcp - Port is open - time=162.425ms
    Probing 52.74.223.119:443/tcp - Portis open - time=153.748ms
    Probing 52.74.223.119:443/tcp - No response - time=2001.547ms
    Probing 52.74.223.119:443/tcp - Port is open - time=147.753ms
    Probing 52.74.223.119:443/tcp - Port is open - time=150.426ms
    Probing 52.74.223.119:443/tcp - Port is open - time=146.645ms
    Probing 52.74.223.119:443/tcp - Port is open - time=140.087ms
    Probing 52.74.223.119:443/tcp - Port is open - time=161.604ms
    Probing 52.74.223.119:443/tcp - Port is open - time=1136.879ms
    Probing 52.74.223.119:443/tcp - Port is open - time=155.782ms
    Control-C
    ```
    aver4vex
        2
    aver4vex  
       2021-03-10 11:34:33 +08:00 via Android
    特殊时期,正常操作。别浪费时间在这上面
    XIU2
        3
    XIU2  
       2021-03-10 11:43:04 +08:00
    就看两星期后是否会恢复了,如果没有恢复那估计离全面应用该机制不远了。
    zeropercenthappy
        4
    zeropercenthappy  
    OP
       2021-03-10 13:37:17 +08:00 via Android
    @aver4vex 梯子刚好也挂了,可太难受了
    ttoott200
        5
    ttoott200  
       2021-03-10 13:44:43 +08:00
    用浏览器有时候可以打开,有时提示「连接已重置」,有时提示「 github.com 的响应时间过长」
    XIU2
        6
    XIU2  
       2021-03-10 13:47:25 +08:00
    @ttoott200 #5 这是因为同一时间总会有一个(或多个) IP 是可用的状态,而似乎是随机或轮流进行 “超时” 的,可能是为了模拟丢包吧,这样很多人都会觉得是 Github 自身的问题(特别是不懂行的)。。。
    2kCS5c0b0ITXE5k2
        7
    2kCS5c0b0ITXE5k2  
       2021-03-10 14:04:51 +08:00
    谷歌退出前就开始间歇性被干扰
    systemcall
        8
    systemcall  
       2021-03-10 14:58:13 +08:00 via Android
    复习一下:
    Google 全部上不去之前,是连接上去 10 分钟后阻断,让用户以为是 Google 自己的问题
    现在的是开始访问就随机阻断,让用户有时候可以上。不过不仅上了 sni 嗅探来阻断连接,还通过这个连接来阻断对应的 IP 。看样子是在弄机器学习
    反制:
    用很多个代理的 IP 来把正常的 IP 这样子弄几下,天天换着弄,把墙搞疯
    12101111
        9
    12101111  
       2021-03-10 15:10:20 +08:00
    使用 https://github.com/12101111/nettest 测试
    没有发现有阻断的情况, 就是延迟感人
    网络是深圳电信,GitHub 的 IP 是新加坡 AWS

    180 packets transmitted, 170 received, 5.56% packet loss, time 153181.598 ms
    rtt min/avg/max/mdev = 287.697/901.068/4458.686/940.316 ms

    https://gist.github.com/12101111/2788b039645579a682a866debf67d1e9
    jdhao
        10
    jdhao  
       2021-03-10 15:11:50 +08:00 via Android
    有啊,wget 或者 git clone 都会概率性失败,挫败感很强
    Overfill3641
        11
    Overfill3641  
       2021-03-10 15:29:18 +08:00 via iPhone
    @sillydaddy 你这没必要整个贴上去,太占地方了
    dorothyREN
        12
    dorothyREN  
       2021-03-10 18:21:18 +08:00
    超不超时不清楚,反正最近几天 push 代码就没成功过
    titan2006
        13
    titan2006  
       2021-03-10 21:40:27 +08:00 via iPhone
    当年谷歌也是这么被挤兑走的
    zeromake
        14
    zeromake  
       2021-03-11 08:22:12 +08:00 via Android
    git 走 ssh 协议倒是一点事都没有
    XIU2
        15
    XIU2  
       2021-03-11 16:06:34 +08:00
    @zeromake #14 因为 SSH 协议走的不是 443 端口,目前该机制只针对 443 端口。

    不过这会议都结束了,该机制依然存在,不确定是不是要等两天才会取消,要么就是以后长期应用,甚至全面应用该机制。
    zeropercenthappy
        16
    zeropercenthappy  
    OP
       2021-03-12 08:52:48 +08:00
    截止 21 年 3 月 12 日,广东电信、联通均未恢复。
    凉凉。
    learningman
        17
    learningman  
       2021-03-12 10:55:55 +08:00 via Android
    @XIU2 问题是不懂行的谁用 github 啊。。。
    XIU2
        18
    XIU2  
       2021-03-12 11:04:40 +08:00
    @learningman

    并不是只有程序员才会去访问 Github 的(你不能只站在程序员的角度去看待问题)。

    因为很多软件、网站、主题等等都是在 Github 上面开源的,因此也有很多普通人去反馈问题、提供建议,或者没注册账号只是单纯的去看项目的使用文档、下载文件(如 Release )等等。

    这些 “普通人” 占据很大的比例(其中大部分人都没注册账号,只看不发言)。
    CrazyBoyFeng
        19
    CrazyBoyFeng  
       2021-03-12 13:23:34 +08:00 via Android
    @systemcall #8
    阻断只影响到当前用户(本地 ip 或远程代理 ip )与 github 的连接。弄正常 ip 对其他人没有影响吧?
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