Guide to the Secure Configuration of openSUSE
Rules, Groups, and Values defined within the XCCDF Benchmark
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Verify Permissions on SSH Server Public *.pub Key Files
To properly set the permissions of/etc/ssh/*.pub
, run the command:$ sudo chmod 0644 /etc/ssh/*.pub
Rule Medium Severity -
Remove SSH Server iptables Firewall exception (Unusual)
By default, inbound connections to SSH's port are allowed. If the SSH server is not being used, this exception should be removed from the firewall ...Rule Unknown Severity -
SSH RekeyLimit - size
Specify the size component of the rekey limit.Value -
SSH Compression Setting
Specify the compression setting for SSH connections.Value -
SSH Privilege Separation Setting
Specify whether and how sshd separates privileges when handling incoming network connections.Value -
SSH LoginGraceTime setting
Configure parameters for how long the servers stays connected before the user has successfully logged inValue -
SSH MaxStartups setting
Configure parameters for maximum concurrent unauthenticated connections to the SSH daemon.Value -
SSSD ssh_known_hosts_timeout option
Value of the ssh_known_hosts_timeout option in the [ssh] section of SSSD configuration file /etc/sssd/sssd.conf.Value -
Set SSH Client Alive Count Max to zero
The SSH server sends at most <code>ClientAliveCountMax</code> messages during a SSH session and waits for a response from the SSH client. The optio...Rule Medium Severity -
Set SSH Client Alive Count Max
The SSH server sends at most <code>ClientAliveCountMax</code> messages during a SSH session and waits for a response from the SSH client. The optio...Rule Medium Severity
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Modules