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DD-WRT is Linux-based firmware for wireless routers and wireless access points. It is compatible with several models of routers and access points, for example, the Linksys WRT54G series (including the WRT54GL and WRT54GS). DD-WRT is one of the third-party firmware projects, which are designed to replace the original firmware on some commercial routers. Alternative firmware may offer features and functionality sets that differ from the original firmware it is replacing. The firmware project's name, DD-WRT, was taken in part from the Linksys WRT54G model router, a successful home router popular in 2002–2004, for which the first replacement firmware was written. "DD" are the German license plate letters for all cars from Dresden, where the "Brainslayers" development team lived. "WRT", also used by the OpenWRT router firmware project, is coming to be a generic abbreviation for "Wireless RouTer", which may have been Linksys's original meaning. DD-WRT includes such features as support for the Kai network, daemon-based services, IPv6, Wireless Distribution System, RADIUS, advanced quality of service, radio output power control, overclocking capability, and software support for a Secure Digital card hardware modification. Buffalo Technology and other companies have shipped routers pre-installed with a customized version of DD-WRT. ==Version history== The first DD-WRT version, released 2005-01-22,〔(【引用サイトリンク】 title=Alchemy branch v16 by BrainSlayer )〕 was called 16 and was created as a branch of Sveasoft Alchemy, which in turn is based on the Linksys WRT54G firmware. DD-WRT version 22, released 2005-07-25,〔(【引用サイトリンク】 title=Index of /stable/dd-wrt.v22/ )〕 was the last version to use the Alchemy kernel. DD-WRT version 23, released 2005-12-25,〔(【引用サイトリンク】title=Index of /stable/dd-wrt.v23/ )〕 was the first version to use the OpenWrt kernel instead of the Alchemy kernel. DD-WRT version 23 Service Pack 1 was released on 16 May 2006. Much of the code was overhauled and rewritten during the development of this release, and many new features were added. DD-WRT version 23 Service Pack 2 was released on 14 September 2006. The interface was overhauled, and some new features were added. Some additional router models are supported, with more planned. DD-WRT version 24 was released on 18 May 2008. It allows up to 16 virtual interfaces with different SSIDs and encryption protocols. It can run on some PowerPC, IXP425-based router boards, Atheros WiSOC, and X86-based systems. It can also run to some extent on routers with low flash memory (ex. WRT54Gv8 or WRT54GSv7). DD-WRT version 24 Service Pack 1 was released on 26 July 2008. It contains an urgent DNS security fix for an issue in dnsmasq, site survey security fixes, longer passwords, and flexible OpenVPN configurations. It can also run on additional hardware, including WRT300 v1.1, WRT310N, WRT600N, Tonze AP42X Pronghorn SBC, Ubiquiti LSX and Netgear, Belkin, and USR devices. From the last version forward, builds have been constantly released on DD-WRT forums (with a beta tag) for different routers. Some of these are considered highly stable while others are not working at all. Classical features of these routers can be fully enabled with firmware build 1492 DD-WRT v24-sp2 (08/12/10) std http://www.dd-wrt.com/phpBB2/viewtopic.php?p=719240 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「DD-WRT」の詳細全文を読む スポンサード リンク
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