Editing ToneLoc (section)

{{Short description|War dialing computer program}}
{{Sources|date=July 2022}}
{{For|the rapper|Tone Loc}}
{{Use American English|date=July 2022}}
{{Use mdy dates|date=July 2022}}

'''''ToneLoc''''' was a popular [[war dialing]] computer program for [[MS-DOS]] written in the early to mid-1990s by two programmers known by the [[pseudonym]]s Minor Threat ([[Chris Lamprecht]]) and Mucho Maas.  The name ToneLoc was short for "Tone Locator" and was a [[word play]] on the name of the [[rapping|rap]] artist known as [[Tone Lōc]].

ToneLoc took advantage of the extended return codes available on [[US Robotics]] modems (e.g., ATX6<ref>{{cite web|title=5637 58K Users' Guide|url=http://www.usr.com/support/5637/5637-ug/ref_data.html|publisher=3COM|access-date=10 January 2013}}</ref>) to detect dial tones upon dialing a number and to detect when a human answered the phone in addition to scanning for other modems. Detection of voice numbers sped up the scanning process by disconnecting upon detecting a human instead of timing out waiting for a modem carrier signal. The detection of a [[dial tone]] after dialing a number allowed for users to search for poorly secured extenders which could be used to divert calls through.

On April 17, 2005, the [[source code]] for ''ToneLoc'' was released.