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Linux/iptables

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< Linux
Revision as of 17:13, 4 December 2023 by Marcluer (talk | contribs)


Tables Chains
FILTER
  • INPUT
  • OUTPUT
  • FORWARD
NAT
  • PREROUTING
  • OUTPUT
  • POSTROUTING
MANGLE

(modify ip headers)

  • PREROUTING
  • POSTROUTING
  • OUTPUT
  • INPUT
  • FORWARD
RAW

(connection tracking)

  • PREROUTING
  • OUTPUT
SECURITY

Tables

  • Filter (Default)
  • NAT
  • Mangle (modify ip headers)
  • (Raw) (Connection tracking)
  • (Security) (SELinux Tagging)

Chains

raspi wifi to ethernet

  • rc.local
    • iptables --table nat --append POSTROUTING --out-interface wlan0 -j MASQUERADE
    • iptables --append FORWARD --in-interface eth0 -j ACCEPT
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