MRV Communications LX-4000 Series Información técnica Pagina 535

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D-4 iptables man Pages
LX Series Configuration Guide
into several different groups.
COMMANDS
These options specify the specific action to perform.
Only one of them can be specified on the command line
unless otherwise specified below. For all the long ver
sions of the command and option names, you need to use
only enough letters to ensure that iptables can differen
tiate it from all other options.
-A, --append
Append one or more rules to the end of the selected
chain. When the source and/or destination names
resolve to more than one address, a rule will be
added for each possible address combination.
-D, --delete
Delete one or more rules from the selected chain.
There are two versions of this command: the rule
can be specified as a number in the chain (starting
at 1 for the first rule) or a rule to match.
-R, --replace
Replace a rule in the selected chain. If the
source and/or destination names resolve to multiple
addresses, the command will fail. Rules are num
bered starting at 1.
-I, --insert
Insert one or more rules in the selected chain as
the given rule number. So, if the rule number is
1, the rule or rules are inserted at the head of
the chain. This is also the default if no rule
number is specified.
-L, --list
List all rules in the selected chain. If no chain
is selected, all chains are listed. It is legal to
specify the -Z (zero) option as well, in which case
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