GayHub 又卡了…
我 Clone 个代码难道要挂到明天早上?
GitHub 访问速度究竟是谁的锅?
实践证明,GFW 并没有对 GitHub 做任何限制,至少现在是这样。根据我的实际观察,问题出在 DNS 上。在中国,默认的解析是这样的:
; <<>> DiG 9.10.4-P5 <<>> @8.8.8.8 github.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60271
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;github.com. IN A
;; ANSWER SECTION:
github.com. 59 IN A 52.74.223.119
github.com. 59 IN A 13.229.188.59
github.com. 59 IN A 13.250.177.223
;; Query time: 69 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Feb 04 23:55:07 CST 2019
;; MSG SIZE rcvd: 87
在世界的其他地方,结果是这样的:
; <<>> DiG 9.10.3-P4-Debian <<>> @8.8.8.8 github.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58526
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;github.com. IN A
;; ANSWER SECTION:
github.com. 59 IN A 192.30.253.112
github.com. 59 IN A 192.30.253.113
;; Query time: 29 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Feb 04 15:57:07 UTC 2019
;; MSG SIZE rcvd: 71
世界互联网分为两个部分…
解决方法
利用 hosts 文件,强行指定 GitHub IP。
192.30.255.113 github.com
Done.
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