That doiesnt work.
"/dcc fserve 24.234.132.251:59 99 $r.set(Fserve. [ $+ [ 1 ] ] ,Root.Dir))"

From a normal connection you get :
DCC Chat session
Client: 24.234.132.251 (59)
Time: Wed Feb 26 15:18:52 2003
Waiting for acknowledgement...
Service unavailable
DCC session closed

From a firewall based system you get :
DCC Chat session
Client: corey.cmts.sth.ptd.net (59)
Time: Tue Feb 25 16:01:35 2003
Waiting for acknowledgement...
Service unavailable
DCC session closed

or

DCC Chat session
Client: CPE00606734a0de-CM.cpe.net.cable.rogers.com (59)
Time: Tue Feb 25 16:21:57 2003
Waiting for acknowledgement...
Unable to resolve address
Unable to connect
DCC session closed