ZyXEL Communications Internet Security Gateway ZyWALL 2 Series - Manual (Page 443)

ZyWALL 2 Series User’s Guide
Filter Configuration 30-7
To configure TCP/IP rules, select TCP/IP Filter Rule from the Filter Type field and press [ENTER] to
open Menu 21.1.1.1 - TCP/IP Filter Rule, as shown next.
Figure 30-5 Menu 21.1.1.1: TCP/IP Filter Rule
The following table describes how to configure your TCP/IP filter rule.
Table 30-3 TCP/IP Filter Rule Menu Fields
FIELD DESCRIPTION OPTIONS
Active Press [SPACE BAR] and then [ENTER] to select Yes to
activate the filter rule or No to deactivate it. Yes
No
IP Protocol Protocol refers to the upper layer protocol, e.g., TCP is 6, UDP
is 17 and ICMP is 1. Type a value between 0 and 255. A value
of 0 matches ANY protocol. 0-255
IP Source Route Press [SPACE BAR] and then [ENTER] to select Yes to apply
the rule to packets with an IP source route option. Otherwise
the packets must not have a source route option. The majority
of IP packets do not have source route. Yes
No
Destination
IP Address Enter the destination IP Address of the packet you wish to
filter. This field is ignored if it is 0.0.0.0.
0.0.0.0
IP Mask Enter the IP mask to apply to the Destination: IP Addr. 0.0.0.0
Menu 21.1.1.1 - TCP/IP Filter Rule
Filter #: 1,1
Filter Type= TCP/IP Filter Rule
Active= Yes
IP Protocol= 0 IP Source Route= No
Destination: IP Addr=
IP Mask=
Port #=
Port # Comp= None
Source: IP Addr=
IP Mask=
Port #=
Port # Comp= None
TCP Estab= N/A
More= No Log= None
Action Matched= Check Next Rule
Action Not Matched= Check Next Rule
Press ENTER to Confirm or ESC to Cancel: