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XCCDF
Guide to the Secure Configuration of Ubuntu 16.04
Services
SSH Server
Configure OpenSSH Server if Necessary
Disable SSH Root Login
Disable SSH Root Login
An XCCDF Rule
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Profiles
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Disable SSH Root Login
Medium Severity
The root user should never be allowed to login to a system directly over a network. To disable root login via SSH, add or correct the following line in
/etc/ssh/sshd_config
:
PermitRootLogin no