tmpfs.tech · all tracks · RHEL / Red Hat

Sysctl Drop-in for Routing

RHEL / Red Hat · pro · solved in-browser (no VM needed) · 3 tiered hints

Write /etc/sysctl.d/90-router.conf to turn the host into an IPv4 router with anti-spoof filtering: net.ipv4.ip_forward = 1 and net.ipv4.conf.all.rp_filter = 1. (Authored config, graded structurally — the engine isn't run here.)

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