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XCCDF
Guide to the Secure Configuration of Ubuntu 22.04
Services
SSH Server
Configure OpenSSH Server if Necessary
Use Only Strong MACs
Use Only Strong MACs
An XCCDF Rule
Details
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Use Only Strong MACs
Medium Severity
Limit the MACs to strong hash algorithms. The following line in
/etc/ssh/sshd_config
demonstrates use of those MACs:
MACs