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XCCDF
Guide to the Secure Configuration of Ubuntu 18.04
Services
SSH Server
Configure OpenSSH Server if Necessary
Enable SSH Warning Banner
Enable SSH Warning Banner
An XCCDF Rule
Details
Profiles
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Enable SSH Warning Banner
Medium Severity
To enable the warning banner and ensure it is consistent across the system, add or correct the following line in
/etc/ssh/sshd_config
:
Banner /etc/issue
Another section contains information on how to create an appropriate system-wide warning banner.