Firewall
Packet filtering
IX20 User Guide
553
Command line
1. Log into the IX20 command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an
Access selection
menu
. Type
admin
to access the Admin CLI.
2. At the command line, type
config
to enter configuration mode:
> config
(config)>
To edit the default packet filtering rule or another existing packet filtering rule:
a. Determine the index number of the appropriate packet filtering rule:
(config)> show firewall filter
0
action accept
dst_zone any
enable true
ip_version any
label Allow all outgoing traffic
protocol any
src_zone internal
1
action drop
dst_zone internal
enable true
ip_version any
label myfilter
protocol any
src_zone external
(config)>
b. Select the appropriate rule by using its index number:
(config)> firewall filter 1
(config firewall filter 1)>
To create a new packet filtering rule:
(config)> add firewall filter end
(config firewall filter 1)>
Packet filtering rules are enabled by default. To disable the rule:
(config firewall filter 1)> enable false
(config firewall filter 1)>
