ZyXEL g-2000 plusv2 ユーザーガイド
ZyXEL G-2000 Plus v2 User’s Guide
302
Chapter 28 Filter Configuration
Table 109 TCP/IP Filter Rule
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
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
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
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
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
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
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
If More is Yes, then Action Matched and Action Not Matched
will be N/A.
Yes
No
No