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iptables

targets

• ACCEPT
• DROP
• RETURN

tables

• -t / –tables
  • filter
  • nat

OPTIONS

• -A, –append chain
• -D, –delete chain
• -I, –insert chain
• -L, –list [chain]
• -P, –policy chain target
• -F, –flush [chain]

PARAMETERS

• -p, –protocol protocol
• -s, –source address[/mask][,…]
• -d, –destination address[/mask][,…]
• -j, –jump target
• -m, –match match

SEE ALSO

• iptables-apply
• iptables-save
• iptables-restore
• iptables-extensions

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