ssh 連線錯誤 Unable to negotiate

 如果在 ssh client 時出現如下錯誤：

Unable to negotiate with 123.123.123.123 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1

以下作法可以解決：

在 .ssh/config 檔案新增

Host *.*.*.*
KexAlgorithms +diffie-hellman-group1-sha1

即可進行 ssh client 連線。