G.shdsl Router User Manual 152
55
Security
For system secutiry, suggest to change the default user name and password
in the first setup otherwise unauthorized persons can access the router and
change the parameters.
There are three ways to configure the router, Web browser, telnet and serial
console.
Press Security to setup the parameters.
For greater security, change the Supervisor
ID and password for the gateway. If you don
’
t
set them, all users on your network can be
able to access the gateway using the default
IP and Password root.
You can authorize five legal users to access
the router via telnet or console. There are two
UI modes, menu driven mode and command
mode to configure the router.
Legal address pool will setup the legal IP
addresses from which authorized person can
configure the gateway. This is the more
secure function for network administrator to
setup the legal address of configuration.
Configured 0.0.0.0 will allow all hosts on
Internet or LAN to access the router.
Leaving blank of trust host list will cause
blocking all PC from WAN to access the
router. On the other hand, only PC in LAN can
access the router.
If you type the excact IP address in the filed,
only the host can access the router.
Click Finish to finish the setting.
The browser will prompt the configured parameters and check it before writing into EPROM.
Press Restart to restart the gateway working with the new parameters and press Continue to
setup other parameters.