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18.3.6. Listing Options
The default list command,
iptables -L, provides a very basic overview of the default filter table's current chains. Additional options provide more information:
-v— Displays verbose output, such as the number of packets and bytes each chain has seen, the number of packets and bytes each rule has matched, and which interfaces apply to a particular rule.-x— Expands numbers into their exact values. On a busy system, the number of packets and bytes seen by a particular chain or rule may be abbreviated usingK(thousands),M(millions), andG(billions) at the end of the number. This option forces the full number to be displayed.-n— Displays IP addresses and port numbers in numeric format, rather than the default hostname and network service format.--line-numbers— Lists rules in each chain next to their numeric order in the chain. This option is useful when attempting to delete the specific rule in a chain or to locate where to insert a rule within a chain.-t— Specifies a table name.
