$ git push ssh: connect to host github.com port 22: Connection timed out fatal: Could not read from

之前都好好的，今天git push突然出现这个问题

解决方法一：改用HTTP协议（我没试过，应该是可以的）

就是把远程库地址改成HTTP协议的，好像是这个命令，自己搜一下 git remote set-url origin https://username@github.com/username/repository.git

解决方法二：更改SSH端口（亲测可用）

先试试这个命令 ssh -T -p 443 git@ssh.github.com此时出现如下提示信息The authenticity of host '[ssh.github.com]:443 ([20.205.243.160]:443)' can't be established.

ED25519 key fingerprint is SHA256:+DiY3wvvV6TuJJhbpZisF/zLDA0zPMSvHdkr4UvCOqU.

This host key is known by the following other names/addresses:

~/.ssh/known_hosts:1: github.com

Are you sure you want to continue connecting (yes/no/[fingerprint])?

输入yes，然后如果出现下面这个提示Hi 你的github用户名，则443端口连接成功Warning: Permanently added '[ssh.github.com]:443' (ED25519) to the list of known hosts.

Hi youname! You've successfully authenticated, but GitHub does not provide shell access.

在C:\Users\your-username\.ssh\目录下创建config文件，输入

Host github.com

HostName ssh.github.com

Port 443

git push 或者git pull 应该就成功了

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