---
name: "Lire::Firewall"
section: "3pm"
platform: "linux"
package: "lire"
version: "2.1.1-8"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/Lire::Firewall"
---

# Lire::Firewall(3pm)

supplies a subroutine enabling TCP and UDP portnumber-to-name mapping

## NAME

Lire::Firewall - supplies a subroutine enabling TCP and UDP portnumber-to-name mapping

## SYNOPSIS

```
 use Lire::Firewall qw/:firewall_number2names /;
```

## DESCRIPTION

The Lire::Firewall::firewall\_number2names converts numbers for network services, as commonly found in firewall log files, to their descriptive names.

firewall\_revolve FIXME TODO

It takes a firewall Lire dlf object as argument, and operates on its *to\_port*, *from\_port* and *protocol* properties.

TCP services, UDP services and ICMP types are supported.

## SEE ALSO

RPC 792 for ICMP types.

## VERSION

`$Id:` Firewall.pm,v 1.5 2006/07/23 13:16:27 vanbaal Exp $

## COPYRIGHT

Copyright (C) 2000, 2001, 2002 Stichting LogReport Foundation LogReport@LogReport.org

This file is part of Lire.

Lire is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program (see COPYING); if not, check with http://www.gnu.org/copyleft/gpl.html.

## AUTHOR

Francis J. Lacoste \<flacoste@logreport.org\>.  The first Lire implementation of a TCP and UDP portnumber-to-name mapping was written by Plamen Bozukov.