厦 门 才 茂 通 信 科 技 有 限 公 司
Xiamen Caimore Communication Technology Co.,Ltd
14
types.
IN : From outside network to gateway.
OUT : Transmit from gateway LAN.
IN/OUT: Include IN and OUT
Interface:
Data packet go through interface, such as br0
，
PPP0 and so on.
Example 1 of IP address filtering:
1. If select “
start client IP address filtering
”
2. Running rules select: “
discard packets matching following rules
”
，
click “
Apply
” to save
running rule.
Instruction: If select “
discard packets matching following rules
”, default rule is: wireless
gateway allows all data to go through, but not allowed data packet to
go through
.
3. Input parameters in IP rule.
This example parameter is:
Name
：
enableipfilter01
LAN IP
：
192.168.1.23
WAN IP
：
121.204.201.13
Protocol
：
all
Direction
：
IN
Interface
：
PPP0
Read picture 4-2-3
，
then click “submit” to save IP filtering rule.
4. Explanation and Introduction
After this rule built, gateway will start IP address filtering function.According to running
rule “Discard packet matching following rule”, gateway discards all protocol data packets
(
select “ALL”
) from WAN “121.204.201.13”(
select “IN”direction
) in PPP0 interface
(
select “PPP0”interface
), but other IP address data packets don’t comply to this rule can
come and go normally.
