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Tagged with firewall
- 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.
- 2 min readsecurityinfrastructure
Imunify360 custom SSH port: stop blocking your admins
Tell Imunify360 about your non-22 SSH port so its brute-force protection stops blocking legitimate admin connections, with a verification command.