NAME

Linux::NFTables - Perl interface to libnftables

SYNOPSIS

my $nft = Linux::NFTables->new()->set_output_options('json');

my $json = $nft->run_cmd("list tables");

DESCRIPTION

This module provides a Perl interface to nftables.

CHARACTER_ENCODING

Strings into & out of this module are byte strings.

METHODS

$obj = CLASS->new()

Instantiates CLASS.

$yn = OBJ->get_dry_run()

Returns a boolean that indicates whether OBJ is set to dry-run mode.

$obj = OBJ->set_dry_run( [$yn] )

Sets or unsets dry-run mode in OBJ. If the parameter is not given, this defaults to ON.

$output = OBJ->run_cmd( $CMD )

Passes an arbitrary command string to nftables and returns its output.

@opts = OBJ->get_output_options()

Returns a list of names, e.g., json or guid. Must be called in list context.

Possible values are libnftables’s various NFT_CTX_OUTPUT_* constants (minus that prefix).

$obj = OBJ->set_output_options( @NAMES )

A setter complement to get_output_options().

@opts = OBJ->get_debug_options()

Like get_output_options() but for debug options.

Possible values are libnftables’s various NFT_DEBUG_* constants (minux that prefix).

$obj = OBJ->set_debug_options( @NAMES )

A setter complement to get_debug_options().