ipnat(8)

NAME

ipnat - user interface to the NAT subsystem

SYNOPSIS

ipnat  [  -dhlnrsvCF ] [ -M core ] [ -N system ] -f <filename>

DESCRIPTION

ipnat opens the filename given (treating "-" as stdin) and
parses the file for a set of rules which are to be added
or removed from the IP NAT.

Each rule processed by ipnat is added to the kernels
internal lists if there are no parsing problems. Rules
are added to the end of the internal lists, matching the
order in which they appear when given to ipnat.

Note that if ipf(8) is not enabled when NAT is configured,
it will be enabled automatically, as the same kernel
facilities are used for NAT functionality. In addition,
packet forwarding must be enabled.

OPTIONS

-C delete all entries in the current NAT rule listing
(NAT rules)
.TP -d Enable printing of some extra debugging
information.
-F delete all active entries in the current NAT trans
lation table (currently active NAT mappings)
-h Print number of hits for each MAP/Redirect filter.
-l Show the list of current NAT table entry mappings.
-n This flag (no-change) prevents ipf from actually
making any ioctl calls or doing anything which
would alter the currently running kernel.
-r Remove matching NAT rules rather than add them to
the internal lists
-s Retrieve and display NAT statistics
-v Turn verbose mode on. Displays information relat
ing to rule processing and active rules/table
entries.

FILES

/dev/ipnat
/usr/share/examples/ipf Directory with examples.

SEE ALSO

ipnat(5), ipf(8), ipfstat(8)
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