Users Guide
60 Setup and Administration
3
Select the
Security Level
. 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 Windows GUI,
pressing <F1> may not provide information about firewall security levels on
newer versions of the Red Hat Enterprise Linux operating system.
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
.
4
Select
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, select 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, select
Other ports
and type
snmp:udp
.
6
Select
OK
and press <Enter>.
The
Firewall Configuration
screen appears.
7
Select
OK
and press <Enter>.
The
Choose a Tool
menu appears.
8
Select
Quit
and press <Enter>.