This should help out. Runs on port 40000 udp (the server). Let me know how things go.
Server:
sunshine:~/djohn-0.9.8.1# ./djohnd -h
Distributed John
Copyright (C) 2001-2003 Luis Parravicini
usage: djohnd [options]
-b ip : binds the server socket to 'ip'
-c charset : sets the charset
-f first_word : sets the first word to be tried
-l last_word : sets the last word to be tried
-t ttl : sets the packet's ttl (in seconds) (default: 600)
-w n : sets the amount of words per packet (default: 10000)
-r : restore previous session
-v : be verbose
-d : where is dJohn and the password files
-h : this help message
sunshine:~/djohn-0.9.8.1# ./djohnd -b 192.168.1.5 -c "a-zA-Z" -f "a" -l "ZZZZZ" -d `pwd`
Starting on Wed Nov 1 21:44:39 2006
using serial id 1162435479
Client:
root@midnight :~/djohn-0.9.8.1# ./djohn -h
Distributed John
Copyright (C) 2001-2003 Luis Parravicini
usage: djohn [options] server
-d : where is john-ini and the password files
-j : where is John The Ripper (default: ./john/run)
-v : be verbose
-h : this help message
root@midnight:~/djohn-0.9.8.1# ./djohn -d `pwd` -j /root/.installs/john-1.7.2/run/