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git - 无法使用 ssh 进行 git clone、push、pull，引发 kex_exchange_identification 错误

问题描述

在 macOS Catalina 上，当我通过

> git push origin master
kex_exchange_identification: Connection closed by remote host
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

我也尝试 ssh 到 git@github.com，它返回

> ssh -Tv git@github.com
OpenSSH_8.1p1, LibreSSL 2.7.3
debug1: Reading configuration data /Users/user/.ssh/config
debug1: /Users/user/.ssh/config line 1: Applying options for *
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 47: Applying options for *
debug1: Connecting to github.com port 22.
debug1: Connection established.
debug1: identity file /Users/user/.ssh/id_rsa type 0
debug1: identity file /Users/user/.ssh/id_rsa-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_8.1
kex_exchange_identification: Connection closed by remote host

我的配置文件是

Host *                                                                                                                                                                                                  
    AddKeysToAgent yes 
    UseKeychain yes 
    IdentityFile ~/.ssh/id_rsa
    ForwardX11 yes 
Host 23
    HostName 10.214.130.23
    User ****
Host 26
    HostName 10.214.130.26
    User ****
Host 27
    HostName 10.214.130.27
    User ****
Host desktop
    HostName 10.214.130.251
    User ****

一开始，我认为 id_rsa 可能是错误的，所以我~/.ssh/id_rsa在另一台 Linux 服务器上使用了相同的密钥，它可以正常工作。

> ssh -T git@github.com
Hi weleen! You've successfully authenticated, but GitHub does not provide shell access.

我发现了一些类似的问题，但没有解决。

标签： gitmacosgithubssh

解决方案

如果您将 remote-ulr 从 SSH 切换到 HTTPS，它应该可以工作。

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