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Avoid inputting yes on POSSIBLE BREAK-IN ATTEMPT

方法一：添加参数StrictHostKeyChecking=no

ssh -o StrictHostKeyChecking=no root@192.168.1.100

方法二：修改/etc/ssh/ssh_config配置

StrictHostKeyChecking no

此外，为防止出现这类警告 POSSIBLE BREAK-IN ATTEMPT!

Address 192.168.0.101 maps to localhost, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!

可以将/etc/ssh/ssh_config配置文件中的

GSSAPIAuthentication yes

改为：

GSSAPIAuthentication no

可以使用sed流编辑器来完成修改：

sed -i 's/#   StrictHostKeyChecking ask/StrictHostKeyChecking no/' /etc/ssh/ssh_config
sed -i 's/GSSAPIAuthentication yes/GSSAPIAuthentication no/' /etc/ssh/ssh_config

service sshd restart

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