5 remote miners - something's wrong

[yaba]

Hi all,
I've set up bitcoind in my main server with this configuration:

Code:

server=1
rpcuser=myuser
rpcpassword=mypassword
server=1
rpctimeout=30
rpcallowip=*.*.*.*
rpcport=8332
rpcconnect=127.0.0.1
rpcsslciphers=TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH
rpcsslcertificatechainfile=server.cert
rpcsslprivatekeyfile=server.pem
gen=1

However, with 5 clients making an average of 2 Mhash/s, when I connect to the server and do a bitcoind gethashespersec I just get 840000-950000
What's wrong?!
Thank you