ICY 401 Service Unavailable :((

[Slash200]

hi
no user can connect to my server, but why?

the console from the server says:
08/26/02@11:37:18> [source] connected from 127.0.0.1
<08/26/02@11:37:18> [source] icy-name:Hip Hop Rap RnB Soul ; icy-genre:hip hop
<08/26/02@11:37:18> [source] icy-pub:1 ; icy-br:64 ; icy-url:http://www.shoutcast.com
<08/26/02@11:37:18> [source] icy-irc:#newbie-matrix ; icy-icq:96474191 ; icy-aim:N/A
<08/26/02@11:37:19> [dest: 205.188.234.42] starting stream (UID: 0)[L: 1]{A: SHOUTcast Directory Tester}(P: 0)
<08/26/02@11:37:19> [dest: 205.188.234.42] connection closed (0 seconds) (UID: 0)[L: 0]{Bytes: 8192}(P: 0)
<08/26/02@11:37:21> [yp_add] yp.shoutcast.com added me successfully

but there isn't anything wrong, isn't it?
must i have a full duplex soundcart?

thx
slash

don't bug me about my english i am a german