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解决 ssh: connect to host github.com port 22: Connection timed out error

解决 ‘ssh: connect to host github.com port 22: Connection timed out’ error

问题复现

MacOS Ventura 13.1
生成 ssh key，并将 key 添加到 github keys
使用 ssh clone 仓库

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$ git clone [email protected]:xxxxx/xxxx.git my-awesome-proj
Cloning into 'my-awesome-proj'...
ssh: connect to host github.com port 22: Connection timed out
fatal: Could not read from remote repository.

测试连接也 timeout

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$ ssh -T [email protected]
ssh: connect to host github.com port 22: Connection timed out

但是可以 ping 通 github.com
test 指定 443 可以成功

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$ ssh -T -p 443 [email protected]  
Hi xxxx! You've successfully authenticated,   
but GitHub does not provide shell access.

如何解决

覆盖 ssh 的配置

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vim ~/.ssh/config

添加以下内容

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Host github.com
  Hostname ssh.github.com
  Port 443

重新测试一下

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$ ssh -T [email protected]
Hi xxxxx! You've successfully authenticated, but GitHub does not
provide shell access.

clone 仓库

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$ git clone [email protected]:xxxxxx/xxxxx.git my-awesome-proj
Cloning into 'my-awesome-proj'...
remote: Enumerating objects: 15, done.
remote: Counting objects: 100% (15/15), done.
remote: Compressing objects: 100% (14/14), done.
remote: Total 15 (delta 0), reused 15 (delta 0), pack-reused 0