you will find more help doing the search because most people here are just tired of answering the same question.
hints:
1. Firewall? (winxp firewall maybe)
2. local/lan ip set in your irc settings as your external ip? change it to external
3. does the bot have your valid hostname, do you have +p ?
The eggdrop is on an linux system which is directly connected to the internet and ist also my router. I've opend the ports mirc uses for dcc an the listen port 113
2. local/lan ip set in your irc settings as your external ip? change it to external
I've no static externel IP, so it won't make sence to write it in here. Does an dynamic dns adress works too?