← Harden the kernel's network stack

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Edit the files below. The Objectives tick green live as you work. Hit Check when they all pass and your verified proof page is issued automatically.

Objectives

  • Not met: Reverse-path filtering is enabled (rp_filter = 1)
  • Not met: ICMP redirects are neither accepted nor sent
  • Not met: IP forwarding is disabled (the host is not a router)
  • Not met: TCP SYN cookies are enabled
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