I am new user debian linux, 1. i try to configure in hosts.deny : ALL:ALL@ALL and try in hosts.allow : ALL : 202.xxx.xxx.xx1, 202.xxx.xxx.xx2 But when i try from 202.xxx.xxx.xx1 and 202.xxx.xxx.xx2 the message is Connection closed by remote host. how to configure in close all and allow from that ip? 2. I try to close port 111 in services and give # on port sunrpc 111/tcp, and inetd but allways be open. Anybody could help me. Thanks. aku