06-15-2011
Thanks for responding so quickly. rdcwayx, I downloaded and installed awk however, my output file comes up blank. using target file in place of first "infile" and destination file in place of second "infile". Did I misunderstand that part?
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LEARN ABOUT DEBIAN
filtergen
FILTERGEN(8) System Manager's Manual FILTERGEN(8)
NAME
filtergen - packet filter compiler
SYNOPSIS
filtergen [ -h | --help ] [ -V | --version ] [ -c | --compile ] [ -t target | --target=target ] [ -o outfile | --output=outfile ] infile
filtergen [ -h | --help ] [ -V | --version ] [ -c | --compile ] [ -t target | --target=target ] [ -o outfile | --output=outfile ] [ -F pol-
icy | --flush=policy ]
DESCRIPTION
filtergen compiles a high-level filtering description language into a variety of target formats.
USAGE
filtergen reads the ruleset from the infile specified on the command line (or standard input if infile is "-") and outputs to standard out-
put (or outfile) via an optionally specified backend.
Both short and GNU-style long option options are accepted:
-c, --compile
Only try to "compile" the input, and do not generate any output. This may be useful to check that an input file has no syntax
errors in it before one attempts to use the result on a live server.
-t target-filter, --target=target-filter
If specified, target-filter will be used to select an output filter type, otherwise the default of iptables will be used. Supported
backends are iptables, ipchains, ipfilter and cisco (for Cisco IOS access-lists).
-F policy, --flush=policy
Flush mode. Generate a set of rules for clearing all rules from the packet filter. Useful for firewall scripts that need to `shut-
down' the firewall. You can supply a policy argument in place of the usual filename, to specify whether the flushed filter should
default to accept, reject, or drop. It defaults to accept, equivalent to having no filter loaded at all. It is not necessary to
specify an infile when using flush mode.
-o outfile, --output=outfile
Write output to outfile instead of standard output.
-h, --help
Show command help.
-V, --version
Show program version.
BUGS
Not all backends implement all features.
The packet filter is not optimised.
SEE ALSO
fgadm(8), filter_syntax(5), filter_backends(7)
AUTHOR
filtergen was originally written by Matthew Kirkwood. Jamie Wilkinson <jaq@spacepants.org> then rewrote a lot of the internals, added some
features, and took on maintenance of the project.
January 7, 2004 FILTERGEN(8)