CSF Firewall Check SSH UseDNS You should disable UseDNS
:
:Check SSH UseDNS You should disable UseDNS by editing /etc/ssh/sshd_config and setting: UseDNS no Otherwise, lfd will be unable to track SSHD login failures successfully as the log files will not report IP addresses
:/etc/ssh/sshd_config
UseDNS no
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