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Tagged with lfd
- 13 min readsecurityinfrastructure
SSH brute force on cPanel: the 8,127-attempt night and the fix
A postmortem on 8,127 failed SSH logins to a cPanel server in six hours from rotating /24s, why lfd alone could not see the pattern, and the layered fix.
- 14 min readsecurityinfrastructure
CSF, lfd, and Imunify360: why your firewall is killing itself
A 2026 postmortem on cPanel servers running CSF and Imunify360 in parallel: lfd OOM kills, csf.deny bloat, iptables races, and the fix we ship.