Users Guide

Table Of Contents
Setup and Administration 33
3
Press <Tab> to select
Security Level
and then press the spacebar to select the security level you want
to set. The selected Security Level is indicated by an asterisk.
NOTE: Press <F1> for more information about the firewall security levels. The default SNMP port number is
161. If you are using the X Window System graphical user interface, pressing <F1> may not provide
information about firewall security levels on newer versions of Red Hat Enterprise Linux.
a
To disable the firewall, select
No firewall
or
Disabled
and go to step 7.
b
To open an entire network interface or the SNMP port, select
High, Medium,
or
Enabled
and
continue with step 4.
4
Press <Tab> to go to
Customize
and press <Enter>.
The
Firewall Configuration - Customize
screen appears.
5
Select whether to open an entire network interface or just the SNMP port on all network interfaces.
a
To open an entire network interface, press <Tab> to go to one of the Trusted Devices and press
the spacebar. An asterisk in the box to the left of the device name indicates that the entire
interface will be opened.
b
To open the SNMP port on all network interfaces, press <Tab> to go to
Other ports
and type
snmp:udp
.
6
Press <Tab> to select
OK
and press <Enter>.
The
Firewall Configuration
screen appears.
7
Press <Tab> to select
OK
and press <Enter>.
The
Choose a Tool
menu appears.
8
Press <Tab> to select
Quit
and press <Enter>.