A list of packs available from an XDCC bot

XDCC (Xabi DCC or eXtended DCC) was initially a script written in 1994 for ircII by Xabi. This script extends the ircII DCC command. This article or section should be merged with script programming language In computer applications, a script, roughly speaking, is a computer program that automates the sort of task that a user might otherwise do interactively at the keyboard. ... Year 1994 (MCMXCIV) The year 1994 was designated as the International Year of the Family and the International Year of the Sport and the Olympic Ideal by the United Nations. ... ircII is a Unix IRC client that is made available completely free of charge, and is available in source form. ...

Now XDCC refers to IRC bots running file sharing programs in general. XDCC bots serve one or more usually large files for download using the DCC protocol. Though XDCC is commonly employed in distributing illegal content, such as warez releases of software, music, and movies, it can also be used in legal ways. An IRC bot performing a simple task. ... File sharing is the activity of making files available to other users for download over the Internet, but also over smaller networks. ... Direct Client-to-Client (DCC) is an IRC-related sub-protocol enabling peers to interconnect using an IRC server for handshaking in order to exchange files or perform non-relayed chats. ... Warez refers primarily to copyrighted works traded in violation of copyright law. ...

XDCC is quickly gaining popularity over older mediums of data transfer such as newsgroups and fserve. Unlike peer-to-peer transfers, XDCC servers are often hosted on connections with very high upstream bandwidth, sometimes in excess of 100 Mbit. Often FTP servers are also running on the XDCC servers to facilitate uploading of materials to them. Some XDCC servers run on hacked computers. A newsgroup is a repository usually within the Usenet system, for messages posted from many users at different locations. ... Direct Client-to-Client (DCC) is an IRC-related sub-protocol enabling peers to interconnect using an IRC server for handshaking in order to exchange files or perform non-relayed chats. ... A peer-to-peer (or P2P) computer network is a network that relies on the computing power and bandwidth of the participants in the network rather than concentrating it in a relatively few servers. ... This article is about the File Transfer Protocol standardised by the IETF. For other file transfer protocols, see File transfer protocol (disambiguation). ...

To use XDCC, one can send a private message (query) or send a CTCP command to a bot, using an IRC client. The user can ask a bot what files it has by private messaging "xdcc list" to the bot. However, this feature is often disabled as to not attract too much attention. When a user wants to download a packet or file from a bot, the user would type something such as "xdcc send #<pack number>" to the bot. The bot will either start sending the user the packet or the bot will place the user in a queue, and force the user to wait their turn. Client-To-Client-Protocol (CTCP) is a special type of communication between Internet Relay Chat (IRC) clients. ... Internet Relay Chat (IRC) is a form of instant communication over the Internet. ...

Common (Iroffer) XDCC Commands

Unless otherwise noted, most commands may be sent via ctcp instead of msg. Some servers disable msg commands.

• /msg <botname> xdcc send #<pack number> - Requests the specified pack number from the bot.
• /msg <botname> xdcc list - Requests a list of packs available from the bot.
• /msg <botname> xdcc remove - Removes all files one has queued for sending. (This only works via msg.)
• /msg <botname> xdcc remove #<queue number> - Removes the file in the specified queue position. (This only works via msg.)
• /msg <botname> xdcc info #<pack number> - Requests information about the specified pack number.

External links

• Avarice - High-performance XDCC Search Client
• xdccengine - XDCC Search Engine
• XDCC-Fetch - Open source XDCC client (Windows, Linux, ...)
• XDCC Browser Open source mIRC add-on for XDCC.
• XDCC Catcher - XDCC client (Windows only)
• XDCC Klipper - Open source mIRC add-on for XDCC.

• Arisa-chan - XDCC software with multi pack and multi server support
• iroffer - XDCC software
• iroffer-lamm - Modified version of iroffer with more features
• Kiri - XDCC server for Windows
• xdcc script 3.3.0 beta The original XDCC script
• XDCC-Client for X-Chat - Text-only XDCC plugin for X-Chat
• DCC Manager - XDCC client, easy one click downloads (Windows only)
• ircAMP.com - XDCC Search Engine
• XDCCiNG - XDCC Search Engine
• XDCC Report - XDCC Search Engine