Appendix A – Troubleshooting
4Port 2x2 wireless ADSL modem User Manual
51
Filters
Parameter
Description
Filter Name
Enter a name for the new filter.
IP Version
Ipv4/Ipv6
Protocol
Select the transport protocol (Any, TCP/UDP, TCP, UDP or ICMP) that will be used for the filter rule.
Source IP
address[/prefix
length]
Enter the start IP address which you are creating the filter rule.
Source Port
(port or
port:port)
The Source Port is the TCP/UDP port on either the LAN or WAN depending on if you are configuring an Outbound or Inbound
Filter rule.
Destination IP
address[/prefix
length]
Enter the end IP address which you are creating the filter rule.
Destination Port
(port or
port:port)
The Destination Port is the TCP/UDP port on either the LAN or WAN depending on if you are configuring an Outbound or
Inbound Filter rule.
IP Filtering – Incoming
This window allows you to create a filter rule of
Incoming
.
Click
change default policy
to change the mode of policy.
Now default policy is
ACCEPT
, it means all incoming IP traffic from WAN
is accepted, but some IP traffic can be blocked by setting up filters.
If you are setting up the incoming IP filtering, click the
Add
button.