IRC client programs typically store a list of servers that you can choose from, as shown in Figure 4-2.įigure 4-2: Most IRC clients have a list of servers for different IRC networks. Once you find an IRC network you want to connect to, you need to find a server that belongs to that particular IRC network. Local These are small networks, often centered within a particular geographical region or country they are popular in non–English-speaking countries.įor a list of different IRC networks, visit. Subject These are smaller networks that concentrate on a particular topic, such as computers or health. Popular These are the large networks where people from all over the world chat and swap website and FTP addresses for finding different types of files. IRC networks tend to fall into several categories: So if you connect to the DALnet IRC network, you can’t chat with someone connected to the EFnet IRC network, and vice versa. As a result, there are now hundreds of different IRC networks, and each is isolated from the other. Over the years, people running different IRC servers have formed their own IRC networks. Whichever server you connected to would relay messages to all the other servers in the IRC network, creating the illusion that everyone was still chatting on the same computer. So instead of connecting to a single IRC server, you could connect to the IRC server closest to you. Naturally, a single computer couldn’t handle all the messages that people all over the world wanted to type, so people started adding additional servers to the IRC network. Initially, there was just a single computer that formed the first IRC network, so if you wanted to chat with anyone over IRC, you had to connect to this one IRC server to connect to the IRC network. An IRC network is nothing more than a collection of computers, called servers, which manage all the messages that people type to each other. Three of the most popular IRC networks used for file trading include Undernet (), Rizon (. Once you have an IRC client program on your computer, the next step is to connect to an IRC network. These are some popular IRC clients for different operating systems: To chat over IRC, you first need to run an IRC client program on your computer (such as the one shown in Figure 4-1), which you use to contact an IRC server.įigure 4-1: An IRC chat room shows you the nicknames of all the people in the room, along with the messages they’ve already typed. Think Wild Wild West and they can be wild. Hackers typically choose IRC channels over products like AIM or Yahoo! Messenger because IRC channels are unregulated and generally unmoderated. The early real-time chatting system, called Internet Relay Chat (or IRC), is often overlooked by many people because it isn’t quite as straightforward or as easy to use as newer, more user-friendly instant messaging services, such as AOL Instant Messenger (AIM) or Yahoo! Messenger. Although the idea of chatting with your friends online might seem like a recent invention, it’s actually been around since the early days of the Internet.
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