ZyXEL Communications P-660HW-D Series User Manual

Page 284

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P-660HW-D Series User’s Guide

283

Appendix G Firewall Commands

Config edit firewall set <set
#> tcp-idle-timeout <seconds>

This command sets how long ZyXEL device

lets an inactive TCP connection remain open

before considering it closed.

Config edit firewall set <set
#> log <yes | no>

This command sets whether or not the ZyXEL

device creates logs for packets that match the

firewall’s default rule set.

Rules

Config edit firewall set <set
#> rule <rule #> permit
<forward | block>

This command sets whether packets that

match this rule are dropped or allowed

through.

Config edit firewall set <set
#> rule <rule #> active <yes |
no>

This command sets whether a rule is enabled

or not.

Config edit firewall set <set
#> rule <rule #> protocol
<integer protocol value >

This command sets the protocol specification

number made in this rule for ICMP.

Config edit firewall set <set
#> rule <rule #> log <none |
match | not-match | both>

This command sets the ZyXEL device to log

traffic that matches the rule, doesn't match,

both or neither.

Config edit firewall set <set
#> rule <rule #> alert <yes |
no>

This command sets whether or not the ZyXEL

device sends an alert e-mail when a DOS

attack or a violation of a particular rule occurs.

config edit firewall set <set
#> rule <rule #> srcaddr-
single <ip address>

This command sets the rule to have the

ZyXEL device check for traffic with this

individual source address.

config edit firewall set <set
#> rule <rule #> srcaddr-
subnet <ip address> <subnet
mask>

This command sets a rule to have the ZyXEL

device check for traffic from a particular

subnet (defined by IP address and subnet

mask).

config edit firewall set <set
#> rule <rule #> srcaddr-range
<start ip address> <end ip
address>

This command sets a rule to have the ZyXEL

device check for traffic from this range of

addresses.

Table 116 Firewall Commands (continued)

FUNCTION

COMMAND

DESCRIPTION

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