virtual host setting

1.modify /etc/rc.conf
add lines as below
ifconfig_eth0="inet 192.168.1.39 netmask 255.255.255.0"
ifconfig_eth0_alias0="inet 10.10.10.1 netmask 255.255.255.255"
ifconfig_eth0_alias1="inet 10.10.10.2 netmask 255.255.255.255"
ifconfig_eth0_alias2="inet 10.10.10.3 netmask 255.255.255.255"
ifconfig_eth0_alias3="inet 10.10.10.4 netmask 255.255.255.255"
ifconfig_eth0_alias4="inet 10.10.10.5 netmask 255.255.255.255"