Xshell a slow connection at remote times

I. Problems that arise

When you use the shell to connect to the virtual machine, the connection waits too long, theservice side of SSH automatically detects whether the DNS environment is consistent due to the connection, and is modified to not detect.

Second, the solution

1. Open the configuration file of sshd service/etc/ssh/sshd_config, change Usedns Yes to Usedns no

：

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2. Restart the SSHD service

/etc/init.d/sshd restart

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Xshell a slow connection at remote times