MRV Communications LX-4000 Series Información técnica Pagina 556

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ip6tables man Pages D-25
routed through the box), and OUTPUT (for locally-generated pack-
ets).
mangle: This table is used for specialized packet alteration.
Until kernel 2.4.17 it had two built-in chains: PREROUTING (for
altering incoming packets before routing) and OUTPUT (for alter-
ing locally-generated packets before routing). Since kernel
2.4.18, three other built-in chains are also supported: INPUT
(for packets coming into the box itself), FORWARD (for altering
packets being routed through the box),and POSTROUTING (for alter-
ing packets as they are about to go out).
OPTIONS
The options that are recognized by ip6tables can be divided 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 speci-
fied below. For all the long versions of the command and option
names, you need to use only enough letters to ensure that
ip6tables can differentiate it from all other options.
-A, --append chain rule-specification
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 combina-
tion.
-D, --delete chain rule-specification
-D, --delete chain rulenum
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.
-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
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