Guide to the Secure Configuration of Red Hat Enterprise Linux CoreOS 4
Rules, Groups, and Values defined within the XCCDF Benchmark
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SSH enabled firewalld zone
Specify firewalld zone to enable SSH service. This value is used only for remediation purposes.Value -
SSH Approved ciphers by FIPS
Specify the FIPS approved ciphers that are used for data integrity protection by the SSH server.Value -
SSH Approved MACs by FIPS
Specify the FIPS approved MACs (message authentication code) algorithms that are used for data integrity protection by the SSH server.Value -
SSH session Idle time
Specify duration of allowed idle time.Value -
SSH Strong KEX by FIPS
Specify the FIPS approved KEXs (Key Exchange Algorithms) algorithms that are used for methods in cryptography by which cryptographic keys are exch...Value -
SSH Max Sessions Count
Specify the maximum number of open sessions permitted.Value -
SSH Max Keep Alive Count
Specify the maximum number of idle message counts before session is terminated.Value -
Remove the OpenSSH Server Package
The <code>openssh-server</code> package should be removed. The <code>openssh-server</code> package can be removed with the following command: <pre>...Rule Medium Severity -
Disable SSH Server If Possible
Instead of using ssh to remotely log in to a cluster node, it is recommended to use <code>oc debug</code> The <code>sshd</code> service can be di...Rule High Severity -
Verify Group Who Owns SSH Server config file
To properly set the group owner of/etc/ssh/sshd_config
, run the command:$ sudo chgrp root /etc/ssh/sshd_config
Rule Medium Severity
Node 2
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Capacity
Modules