xenial (1) flow-mask.1.gz

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flow-mask(1)                                 General Commands Manual                                flow-mask(1)

NAME

       flow-mask — Apply tags to flow files.

SYNOPSIS

       flow-mask [-hk]  [-b big|little]  [-C comment]  [-d debug_level]  [-m mask_fname]  [-M active_def ...]

DESCRIPTION

       The flow-mask utility is used to modify the source and destination mask length's in flow records.

OPTIONS

       -b big|little
                 Byte order of output.

       -C Comment
                 Add a comment.

       -d debug_level
                 Enable debugging.

       -h        Display help.

       -k        Keep time from input.

       -m mask_fname
                 Load masks from mask_name.  Defaults to /etc/flow-tools/cfg/mask

       -M mask_def
                 Use active_def as the active tag definition(s).

       The configuration file is a collection of definitions.  A definition lists a sequence of prefixes and the
       mask length to replace the matching prefix with.  Lines begining with  #  are  treated  as  comments  and
       ignored.

       mask-definition command             Description
       ----------------------------------------------------------------------
       mask-definition                     Begin mask-definition section
                                           mask-definition foo

       prefix                              List the prefix to match on and the
                                           replacement mask.
                                           prefix 128.146/16 24

EXAMPLES

       #
       #file: masks
       #
       mask-definition foo
       # All networks in 128.146/16 are /24's.
        prefix 128.146/16 24
       # except for 128.146.214/24, which are /32's.
        prefix 128.146.214/24 32

       flow-cat flows | flow-mask -mfoo -Fmasks | flow-print -f4

FILES

         Configuration files:
           Mask - /etc/flow-tools/cfg/mask.cfg.

BUGS

       None known.

AUTHOR

       Mark Fullmer maf@splintered.net

SEE ALSO

       flow-tools(1)

                                                                                                    flow-mask(1)