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Nmap Network Scanning

Legal Notices

Unofficial Translation Disclaimer / Disklaimer Terjemahan Tidak Resmi

This is an unnofficial translation of the Nmap license details into Indonesian. It was not written by Insecure.Com LLC, and does not legally state the distribution terms for Nmap -- only the original English text does that. However, we hope that this translation helps Indonesian speakers understand the Nmap license better.

Ini merupakan terjemahan tidak resmi dari Nmap license details ke dalam bahasa Indonesia. Ia tidak ditulis oleh Insecure.Com LLC, dan tidak secara legal menyatakan syarat distribusi untuk Nmap -- hanya teks berbahasa Inggris aslinya yang melakukan hal itu. Namun demikian, kami berharap bahwa terjemahan ini membantu pengguna bahasa Indonesia untuk lebih memahami lisensi Nmap.

Nmap Copyright and Licensing

The Nmap Security Scanner is (C) 1996–2009 Insecure.Com LLC. Nmap is also a registered trademark of Insecure.Com LLC. This program is free software; you may redistribute and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; Version 2 with the clarifications and exceptions described below. This guarantees your right to use, modify, and redistribute this software under certain conditions. If you wish to embed Nmap technology into proprietary software, we sell alternative licenses (contact ). Dozens of software vendors already license Nmap technology such as host discovery, port scanning, OS detection, and version detection.

Note that the GPL places important restrictions on derived works, yet it does not provide a detailed definition of that term. To avoid misunderstandings, we consider an application to constitute a derivative work for the purpose of this license if it does any of the following:

  • Integrates source code from Nmap

  • Reads or includes Nmap copyrighted data files, such as nmap-os-db or nmap-service-probes.

  • Executes Nmap and parses the results (as opposed to typical shell or execution-menu apps, which simply display raw Nmap output and so are not derivative works.)

  • Integrates/includes/aggregates Nmap into a proprietary executable installer, such as those produced by InstallShield.

  • Links to a library or executes a program that does any of the above.

The term Nmap should be taken to also include any portions or derived works of Nmap. This list is not exclusive, but is meant to clarify our interpretation of derived works with some common examples. Our interpretation applies only to Nmap—we don't speak for other people's GPL works.

If you have any questions about the GPL licensing restrictions on using Nmap in non-GPL works, we would be happy to help. As mentioned above, we also offer alternative license to integrate Nmap into proprietary applications and appliances. These contracts have been sold to many security vendors, and generally include a perpetual license as well as providing for priority support and updates as well as helping to fund the continued development of Nmap technology. Please email for further information.

As a special exception to the GPL terms, Insecure.Com LLC grants permission to link the code of this program with any version of the OpenSSL library which is distributed under a license identical to that listed in the included COPYING.OpenSSL file, and distribute linked combinations including the two. You must obey the GNU GPL in all respects for all of the code used other than OpenSSL. If you modify this file, you may extend this exception to your version of the file, but you are not obligated to do so.

If you received these files with a written license agreement or contract stating terms other than the terms above, then that alternative license agreement takes precedence over these comments.

Creative Commons License for this Nmap Guide

This Nmap Reference Guide is (C) 2005–2008 Insecure.Com LLC. It is hereby placed under version 2.5 of the Creative Commons Attribution License. This allows you redistribute and modify the work as you desire, as long as you credit the original source. Alternatively, you may choose to treat this document as falling under the same license as Nmap itself (discussed previously).

Source Code Availability and Community Contributions

Source is provided to this software because we believe users have a right to know exactly what a program is going to do before they run it. This also allows you to audit the software for security holes (none have been found so far).

Source code also allows you to port Nmap to new platforms, fix bugs, and add new features. You are highly encouraged to send your changes to for possible incorporation into the main distribution. By sending these changes to Fyodor or one of the Insecure.Org development mailing lists, it is assumed that you are offering Fyodor and Insecure.Com LLC the unlimited, non-exclusive right to reuse, modify, and relicense the code. Nmap will always be available Open Source, but this is important because the inability to relicense code has caused devastating problems for other Free Software projects (such as KDE and NASM). We also occasionally relicense the code to third parties as discussed above. If you wish to specify special license conditions of your contributions, just say so when you send them.

No Warranty

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 v2.0 for more details at http://www.gnu.org/licenses/gpl-2.0.html, or in the COPYING file included with Nmap.

It should also be noted that Nmap has occasionally been known to crash poorly written applications, TCP/IP stacks, and even operating systems. While this is extremely rare, it is important to keep in mind. Nmap should never be run against mission critical systems unless you are prepared to suffer downtime. We acknowledge here that Nmap may crash your systems or networks and we disclaim all liability for any damage or problems Nmap could cause.

Inappropriate Usage

Because of the slight risk of crashes and because a few black hats like to use Nmap for reconnaissance prior to attacking systems, there are administrators who become upset and may complain when their system is scanned. Thus, it is often advisable to request permission before doing even a light scan of a network.

Nmap should never be installed with special privileges (e.g. suid root) for security reasons.

Third-Party Software

This product includes software developed by the Apache Software Foundation. A modified version of the Libpcap portable packet capture library is distributed along with Nmap. The Windows version of Nmap utilized the Libpcap-derived WinPcap library instead. Regular expression support is provided by the PCRE library, which is open-source software, written by Philip Hazel. Certain raw networking functions use the Libdnet networking library, which was written by Dug Song. A modified version is distributed with Nmap. Nmap can optionally link with the OpenSSL cryptography toolkit for SSL version detection support. The Nmap Scripting Engine uses an embedded version of the Lua programming language. All of the third-party software described in this paragraph is freely redistributable under BSD-style software licenses.

United States Export Control Classification

U.S. Export Control: Insecure.Com LLC believes that Nmap falls under U.S. ECCN (export control classification number) 5D992. This category is called Information Security software not controlled by 5D002. The only restriction of this classification is AT (anti-terrorism), which applies to almost all goods and denies export to a handful of rogue nations such as Iran and North Korea. Thus exporting Nmap does not require any special license, permit, or other governmental authorization.

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