GitHub是不是彻底不能访问了？

Tech discussion / 技术交流
1

GitHub是不是彻底被封了，我用移动宽带，或者连教育网vpn都不能访问，不用tizi的话！

2

自问自答，刚才确认两个网络又可以访问GitHub了，感觉两个网络是不是在升级gfw？尤其最近教育网，根本连不上geph。今天确认在手机和电脑也都连不上geph.

3

我认为是故意一会封一会不封，观察是否能降低github国内用户

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4

网络太不稳定了，今天通过手机移动网络又可以连上geph了

5

There's a strange phenomena that I used vnc to connect to a PRC server that couldn't access github.com, edited the file /etc/hosts to map github.com to an ip not blocked by GFW, and the ip address would be blocked as long as you accessed github.com.

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6

This is a common system in use by the GFW, which automatically "converts" SNI blocks to IP blocks. When you connect to the "fake" github.com, the TLS SNI still says github.com, so the GFW thinks it's github.com and blocks it.

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