ZyXEL Communications 10 - Manual (Page 250)

ZyWALL 10~100 Series Internet Security Gateway
19-8 Filter Configuration
Table 19-3 TCP/IP Filter Rule Menu Fields
FIELD DESCRIPTION OPTIONS
IP Mask Enter the IP mask to apply to the Destination: IP Addr. 0.0.0.0
Port # Enter the destination port of the packets that you wish to filter.
The range of this field is 0 to 65535. This field is ignored if it is
0.
0-65535
Port # Comp Press [SPACE BAR] and then [ENTER] to select the
comparison to apply to the destination port in the packet
against the value given in Destination: Port #.
None
Less
Greater
Equal
Not Equal
Source
IP Address Enter the source 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 Source: IP Addr. 0.0.0.0
Port # Enter the source port of the packets that you wish to filter. The
range of this field is 0 to 65535. This field is ignored if it is 0.
0-65535
Port # Comp Press [SPACE BAR] and then [ENTER] to select the
comparison to apply to the source port in the packet against
the value given in Source: Port #.
None
Less
Greater
Equal
Not Equal
TCP Estab This field is applicable only when the IP Protocol field is 6,
TCP. Press [SPACE BAR] and then [ENTER] to select Yes, to
have the rule match packets that want to establish a TCP
connection (SYN=1 and ACK=0); if No, it is ignored. Yes
No
More Press [SPACE BAR] and then [ENTER] to select Yes or No. If
Yes, a matching packet is passed to the next filter rule before
an action is taken; if No, the packet is disposed of according to
the action fields.
If More is Yes, then Action Matched and Action Not
Matched will be N/A.
Yes
No