Alter Aeon Online Help

Keywords are:  'telnetga telnetgoahead goahead ga'

Telnet is a WWW protocol used to connect to and control other computers
on a network.  When you play on Alter Aeon, your computer uses the Telnet
protocol to talk to the server.

"Telnet GA" stands for "Telnet GoAhead", which is a feature used to help
some clients understand prompts.  If you are using a client that has
trouble with telnet GA, you can disable it with the 'set telnetga' command.