For host you can use your real ip most have Dynamic IP stands for changing ip address.
Example here you go sorry just seen the other host address just use this one it's free and you'll never have to worry about your ip address changing.
Code:
<address>192.168.0.1</address>
<localaddress>127.0.0.1</localaddress>
<loginserver>
<host>192.168.0.1</host>
<port>5998</port>
<account></account>
<password></password>
</loginserver>