Internet Relay Chat Configuration and Information

IRC Information

If you're new to IRC, you may not realize that there is more than one IRC network. Each IRC server is connected to one of these networks. The most popular IRC networks are:

  • EFnet: The original and still largest IRC network, but also the most problematic in terms of server splits, channel takeovers, etc.
  • Undernet: The first major alternate to EFnet; it has gotten huge and sometimes hard to connect to itself.
  • Dalnet: A newer IRC network with some neat features; easier to connect to than Undernet but still has occasional growing pains.
  • NewNet: An offshoot of EFnet but more like DalNet services-wise, and very easy to connect to.

You will need to select an IRC server in your client configuration. Better IRC clients allow multiple servers to be configured and let you choose the one you want at run time. An IRC server specification consists of a host name, like, and a port number. The default port number, supported by most IRC servers, is 6667. You may get a faster and more reliable connection by using an alternate port number, however. Port 7000 is supported by many IRC servers. You may be able to find out the alternate port numbers supported by a given server by reading the message-of-the-day displayed when you connect.

Certain servers are closer to us network-wise and will offer better performance. Some servers we recommend for use from Datasync are:

  • For Datasync:
  • For EFnet:
  • For Undernet: SaltLake.UT.US.Undernet.Org
  • For Dalnet:
  • For NewNet:

Undernet and Dalnet may be connected to via the pseudo-host names and respectively. These connect you to a random server on the network and are designed to spread out the load. Try these if the servers above are down or full.

There are quite a few more IRC networks than the ones mentioned above, most of which are much smaller but don't suffer from the problems that the big networks have with full servers, splits, and troublemakers. Here are some resources you might find useful:

The other important IRC configuration item is your nickname. This is your "identity" in IRC, attached to all of your messages. The nickname is limited to eight characters (except on Dalnet) and must be unique within the IRC network to which you are connected. Consequently, it can be difficult to find a suitable nickname. If your first choice is taken when you connect, you will be prompted to choose another, unless your client allowed you to specify an alternate in the configuration. Dalnet has a feature with which you can reserve a nickname for your use only.

Other configuration items are your real name and e-mail address. These are displayed by your nickname in a user listing or user query. You may have to enter something for these values, but doesn't have to be real.

IRC Configuration for

You can find more information about setting up your IRC client to connect to below.


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