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			{{Use mdy dates\|date=June 2018}}
	{{For\|the open source versions of BeOS' desktop management tools\|OpenTracker}}		{{For\|the open source versions of BeOS' desktop management tools\|OpenTracker}}
			{{Lowercase title}}
	{{DISPLAYTITLE:opentracker}}
	{{Infobox software		{{Infobox software
	\|name = opentracker		\| name = opentracker
	\|logo = ]		\| logo = Opentracker logo.svg
	\|developer = Dirk Engling (~~“erdgeist”~~)		\| developer = {{URL\|https://erdgeist.org/\|Dirk Engling}} ("erdgeist")
		⚫	\| programming language = ]
	\|released =
		⚫	\| operating_system = ] (], ], ...)
	\|latest_release_version =
		⚫	\| size = ~95 ]
	\|latest_release_date =
		⚫	\| genre = ]
⚫	\|programming language = ]
		⚫	\| license = ]
⚫	\|operating_system = ] (], ], ...)
			\| website = {{Official URL}}
	\|operating_system_desc =
⚫	\|size = ~40 ]
⚫	\|genre = ]
⚫	\|license = ]
	\|website = {{URL\|https://erdgeist.org/arts/software/opentracker/}}
	}}		}}

	'''~~opentracker~~''' is a ] (licensed as ]) ] peer tracker software (a special kind of HTTP or UDP server software) that is designed to be fast and to have a low consumption of system resources.		'''Opentracker''' is a ] (licensed as ]) ] peer ] software (a special kind of HTTP or UDP server software) that is designed to be fast and to have a low consumption of system resources.

	== Features ==		== Features ==
	~~OpenTracker runs several times faster than older tracker implementations and requires less memory. (For example, it runs fine with the limited resources of many ]s.)~~ Several instances of ~~the software~~ may be run in a cluster, with all of them synchronizing with each other. Besides the ] (HTTP) opentracker may also be connected to via ] (UDP), which creates less than half of the tracker traffic HTTP creates.<ref>{{cite web		Several instances of opentracker may be run in a cluster, with all of them synchronizing with each other. Besides the ] (HTTP) opentracker may also be connected to via ] (UDP), which creates less than half of the tracker traffic HTTP creates.<ref>{{cite web
	\| url=http://xbtt.sourceforge.net/udp_tracker_protocol.html		\| url=http://xbtt.sourceforge.net/udp_tracker_protocol.html
	\| title=UDP tracker protocol		\| title=UDP tracker protocol
	\| date=~~2006-03-~~19		\| date=March 19, 2006
			\| publisher=XBT Tracker
⚫	~~\| publisher=]~~}}</ref> It supports ], ] compression of full scrapes, and ]s of torrents. Because there have already been cases of people being accused of copyright violation by the fact that their IP address was listed on a BitTorrent tracker,<ref>~~{{cite web~~
			\| access-date=June 1, 2009
			\| archive-date=July 27, 2010
			\| archive-url=https://web.archive.org/web/20100727015406/http://xbtt.sourceforge.net/udp_tracker_protocol.html
			\| url-status=live
		⚫	}}</ref> It supports ], ] compression of full scrapes, and ]s of torrents. Because there have already been cases of people being accused of copyright violation by the fact that their IP address was listed on a BitTorrent tracker,<ref>
			{{cite web
	\| url=http://bmaurer.blogspot.com/2007/02/big-media-dmca-notices-guilty-until.html		\| url=http://bmaurer.blogspot.com/2007/02/big-media-dmca-notices-guilty-until.html
	\| title=Big Media DMCA Notices: Guilty until proven innocent		\| title=Big Media DMCA Notices: Guilty until proven innocent
	\| ~~author~~=Ben ~~Maurer~~		\| first=Ben
			\| last=Maurer
	\| date=2007-02-07}}</ref> opentracker may mix in random IP address numbers for the purpose of ].
			\| date=February 7, 2007
			\| access-date=June 1, 2009
			\| archive-url=https://web.archive.org/web/20090309212046/http://bmaurer.blogspot.com/2007/02/big-media-dmca-notices-guilty-until.html
			\| archive-date=March 9, 2009
			\| url-status=dead
			\| df=mdy-all
			}}
			</ref> opentracker may mix in random IP address numbers<ref>{{Cite web\|title=Perfect Deniability {{!}} Stories from an Opentracker\|url=http://opentracker.blog.h3q.com/2007/02/12/perfect-deniability/\|access-date=2020-08-06\|website=opentracker.blog.h3q.com\|archive-date=December 26, 2023\|archive-url=https://web.archive.org/web/20231226212522/http://opentracker.blog.h3q.com/2007/02/12/perfect-deniability/\|url-status=live}}</ref><ref name=":0" /> for the purpose of ].

	== Technology ==		== Technology ==
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	\| url=http://opentracker.blog.h3q.com/2007/12/28/the-ipv6-situation/		\| url=http://opentracker.blog.h3q.com/2007/12/28/the-ipv6-situation/
	\| title=The IPv6 situation		\| title=The IPv6 situation
	\| ~~author~~=Dirk ~~Engling~~ (~~“erdgeist”~~)		\| first=Dirk ("erdgeist")
			\| last=Engling
⚫	~~\| date=2007-12-28~~}}</ref> or the syncing of several instances of BitTorrent tracker software, new extensions to the BitTorrent protocol were made.
			\| date=December 28, 2007
			\| access-date=January 8, 2013
			\| archive-date=February 4, 2013
			\| archive-url=https://web.archive.org/web/20130204033601/http://opentracker.blog.h3q.com/2007/12/28/the-ipv6-situation/
			\| url-status=live
		⚫	}}</ref> or the syncing of several instances of BitTorrent tracker software, new extensions to the BitTorrent protocol were made.

	== ~~Usage~~ ==		== Adoption ==
	The world's largest tracker at ] switched from their selfmade software ''Hypercube'' to opentracker in the end of 2007.<ref>{{cite web		The world's largest tracker at ] switched from their selfmade software ''Hypercube'' to opentracker in the end of 2007.<ref>{{cite web
	\| url=http://torrentfreak.com/the-pirate-bay-switches-to-opentracker-071208/		\| url=http://torrentfreak.com/the-pirate-bay-switches-to-opentracker-071208/
	\| title=The Pirate Bay Now Running on Opentracker		\| title=The Pirate Bay Now Running on Opentracker
	\| ~~author~~=Ernesto Van Der Sar		\| first=Ernesto
			\| last=Van Der Sar
	\| date=2007~~-12-08~~		\| date=December 8, 2007
	\| publisher=]~~}}</ref>~~		\| publisher=]
			\| access-date=June 1, 2009
			\| archive-date=January 31, 2010
			\| archive-url=https://web.archive.org/web/20100131084738/http://torrentfreak.com/the-pirate-bay-switches-to-opentracker-071208/
			\| url-status=live
			}}</ref>

	The ] uses it<ref>{{cite web		The ] uses it to distribute their own TV shows.<ref>{{cite web
	\| url=http://nrkbeta.no/2009/03/08/norwegian-broadcasting-corporation-sets-up-its-own-bittorrent-tracker/		\| url=http://nrkbeta.no/2009/03/08/norwegian-broadcasting-corporation-sets-up-its-own-bittorrent-tracker/
	\| title=Norwegian Broadcasting Corporation sets up its own bittorrent tracker		\| title=Norwegian Broadcasting Corporation sets up its own bittorrent tracker
	\| author= Eirik Solheim		\| author=Eirik Solheim
	\| date=2009~~-03-08~~		\| date=March 8, 2009
			\| access-date=January 8, 2013
	\| publisher=}}</ref> to distribute their own TV shows.
			\| archive-date=February 3, 2013
			\| archive-url=https://web.archive.org/web/20130203152057/http://nrkbeta.no/2009/03/08/norwegian-broadcasting-corporation-sets-up-its-own-bittorrent-tracker/
			\| url-status=live
			}}</ref>

			Popular public torrent trackers opentrackr<ref>{{cite web
			\| url=https://opentrackr.org/
			\| title=OpenTrackr.org - Free to use torrent tracker
			\| date=February 10, 2019
			\| access-date=April 21, 2024
			\| archive-date=April 3, 2024
			\| archive-url=https://web.archive.org/web/20240403212048/http://opentrackr.org/
			\| url-status=live
			}}</ref><ref>{{cite web
			\| url=https://twitter.com/opentrackr/status/1081698792376844289
			\| title=OpenTrackr on Twitter
			\| date=February 10, 2019
			}}</ref> and coppersurfer<ref name=":0">{{cite web
			\| url=http://coppersurfer.tk/
			\| title=Open torrent tracker coppersurfer
			\| date=February 10, 2019
			\| access-date=April 21, 2024
			\| archive-date=October 22, 2020
			\| archive-url=https://web.archive.org/web/20201022155941/http://coppersurfer.tk/
			\| url-status=live
			}}</ref> are known to use opentracker.

	== See also ==		== See also ==
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	{{Reflist}}		{{Reflist}}

	== ~~External~~ ~~links~~ ==		== Further reading ==
⚫	*
⚫	* (blog)
	* {{cite web		* {{cite web
	\| url=https://forum.suprbay.org/showthread.php?tid=58785		\| url=https://forum.suprbay.org/showthread.php?tid=58785
	\| title=Installing opentracker + mrtg install + Tcp stack tweaking debian		\| title=Installing opentracker + mrtg install + Tcp stack tweaking debian
	\| date=~~2010-02-~~12		\| date=February 12, 2010
	\| author=WaRlOrD}}		\| author=WaRlOrD
			\| access-date=January 8, 2013
⚫	* – lecture of the software author at the 24th ]
			\| archive-url=https://web.archive.org/web/20120317000138/https://forum.suprbay.org/showthread.php?tid=58785
			\| archive-date=March 17, 2012
			\| url-status=dead
			\| df=mdy-all
			}}

			== External links ==
			* {{Official website}}
		⚫	* (blog)
		⚫	*
		⚫	* – lecture of the software author at the 24th ]

	{{BitTorrent}}		{{BitTorrent}}

	]
⚫	]
	]		]
		⚫	]

Latest revision as of 17:43, 21 April 2024

For the open source versions of BeOS' desktop management tools, see OpenTracker.

opentracker

Developer(s)	Dirk Engling ("erdgeist")
Repository	erdgeist.org/gitweb/opentracker
Written in	C
Operating system	Unix-like (Linux, BSD, ...)
Size	~95 KiB
Type	BitTorrent tracker
License	Beerware
Website	erdgeist.org/arts/software/opentracker/

Opentracker is a free (licensed as beerware) BitTorrent peer tracker software (a special kind of HTTP or UDP server software) that is designed to be fast and to have a low consumption of system resources.

Features

Several instances of opentracker may be run in a cluster, with all of them synchronizing with each other. Besides the Hypertext Transfer Protocol (HTTP) opentracker may also be connected to via User Datagram Protocol (UDP), which creates less than half of the tracker traffic HTTP creates. It supports IPv6, gzip compression of full scrapes, and blacklists of torrents. Because there have already been cases of people being accused of copyright violation by the fact that their IP address was listed on a BitTorrent tracker, opentracker may mix in random IP address numbers for the purpose of plausible deniability.

Technology

It runs completely in RAM, accounting for much of its speed advantage over other tracker software. It is written in C and based on the library libowfat that manages network connections. For some new functionality like the UDP support with IPv6 or the syncing of several instances of BitTorrent tracker software, new extensions to the BitTorrent protocol were made.

Adoption

The world's largest tracker at The Pirate Bay switched from their selfmade software Hypercube to opentracker in the end of 2007.

The Norwegian Broadcasting Corporation uses it to distribute their own TV shows.

Popular public torrent trackers opentrackr and coppersurfer are known to use opentracker.

References

"UDP tracker protocol". XBT Tracker. March 19, 2006. Archived from the original on July 27, 2010. Retrieved June 1, 2009.
Maurer, Ben (February 7, 2007). "Big Media DMCA Notices: Guilty until proven innocent". Archived from the original on March 9, 2009. Retrieved June 1, 2009.
"Perfect Deniability | Stories from an Opentracker". opentracker.blog.h3q.com. Archived from the original on December 26, 2023. Retrieved August 6, 2020.
^ "Open torrent tracker coppersurfer". February 10, 2019. Archived from the original on October 22, 2020. Retrieved April 21, 2024.
Engling, Dirk ("erdgeist") (December 28, 2007). "The IPv6 situation". Archived from the original on February 4, 2013. Retrieved January 8, 2013.
Van Der Sar, Ernesto (December 8, 2007). "The Pirate Bay Now Running on Opentracker". TorrentFreak. Archived from the original on January 31, 2010. Retrieved June 1, 2009.
Eirik Solheim (March 8, 2009). "Norwegian Broadcasting Corporation sets up its own bittorrent tracker". Archived from the original on February 3, 2013. Retrieved January 8, 2013.
"OpenTrackr.org - Free to use torrent tracker". February 10, 2019. Archived from the original on April 3, 2024. Retrieved April 21, 2024.
"OpenTrackr on Twitter". February 10, 2019.

External links

Official website
Stories from an Opentracker (blog)
Git repository
24c3: Tracker fahrn – lecture of the software author at the 24th Chaos Communication Congress

v t e BitTorrent
Companies	Rainberry, Inc. Vuze, Inc.
People	Bram Cohen Ross Cohen Eric Klinker Ashwin Navin
Technology	Glossary Broadcatching Distributed hash tables DNA I2P index Local Peer Discovery Peer exchange Protocol encryption Super-seeding Tracker Torrent file TCP UDP µTP WebRTC WebTorrent
Clients (comparison, usage share)	BitTorrent (original client) BitComet BitLord Deluge Free Download Manager FlashGet FrostWire GetRight Go!Zilla KTorrent libtorrent (library) LimeWire µTorrent Miro MLDonkey qBittorrent rTorrent Shareaza Tixati Transmission Tribler Vuze (formerly Azureus) WebTorrent Desktop Xunlei
Tracker software (comparison)	OpenBitTorrent opentracker PeerTracker
Search engines (comparison)	1337x BTDigg Demonoid etree Nyaa Torrents Tamil Rockers The Pirate Bay ruTracker.org YggTorrent YourBittorrent
Defunct sites (comparison)	BTJunkie ExtraTorrent EZTV isoHunt KickassTorrents LokiTorrent Mininova Oink's Pink Palace RARBG Suprnova.org t411 Torrent Project TorrentSpy Torrentz What.CD YIFY YouTorrent
Related topics	aXXo BitTorrent Open Source License Glossary of BitTorrent terms Popcorn Time Slyck.com TorrentFreak
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