急急急！哪为帮帮我，xmanager连hpux问题

guandehe

# @(#)B.11.11_LRhosts $Revision: 1.9.214.1 $ $Date: 96/10/08 13:20:01 $
#
# The form for each entry is:
# <internet address>    <official hostname> <aliases>
#
# For example:
# 192.1.2.34    hpfcrm  loghost
#
# See the hosts(4) manual page for more information.
# Note: The entries cannot be preceded by a space.
#       The format described in this file is the correct format.
#       The original Berkeley manual page contains an error in
#       the format description.
#

192.168.50.49   hpbatool
192.168.50.49   hp3000
127.0.0.1       localhost       loopback
~
~
~
~
~
~
~
~
~
~
~
"/etc/hosts" 18 lines, 530 characters

guandehe

这是我的/etc/hosts内所有内容，by the way，我可以ftp和telnet

楼上的，请问怎么配置防火墙？