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/flowtools/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