Cannot connect Postgresql 8.1 64 bit

I try to set  FC3 X64 and postgresql 64 8.1 in my new server but I cannot
connect it with pgadminIII. My pg_hba.conf is like below:


# "local" is for Unix domain socket connections only
local   all         all                               ident sameuser
# IPv4 local connections:
host    all         all         127.0.0.1/32          trust sameuser
host    all         all         192.168.0.0/255.255.0.0 trust   sameuser
# IPv6 local connections:
host    all         all         ::1/128               ident sameuser

No fire wall was set and i cannot set it via webmin because of module
configuration.
What should I set in postgresql.conf to be able to connect to my postgres
server?
Thanks.
Amrit
Thailand