User's Manual

Table Of Contents
124
This lter will Drop all TCP packets coming from the LAN with
IP Address/Subnet Mask of 192.168.1.45/24 having a source
port of 80 irrespective of the destination. All other packets
will be Accepted.
Example 2: Filter Name: Out_Filter2
Protocol: UDP
Source IP Address: 192.168.1.45
Source Subnet Mask: 255.255.255.0
Source Port: 5060:6060
Dest. IP Address: 172.16.13.4
Dest. Subnet Mask: 255.255.255.0
Dest. Port: 6060:7070
This lter will drop all UDP packets coming from the
LAN with IP Address / Subnet Mask of 192.168.1.45/24
and a source port range of 5060 to 6060, destined to
172.16.13.4/24 and a destination port range of 6060 to 7070.
INCOMING IP FILTER
Helps in setting rules to Allow or Deny packets from the WAN
interface. By default, all incoming IP trac from the WAN is
Blocked, if the Firewall is Enabled. By setting up one or more
lters, specic packet types coming from the WAN can be
Accepted.
Example 1: Filter Name: In_Filter1
Protocol: TCP
Policy: Allow
Source IP Address: 210.168.219.45
Source Subnet Mask: 255.255.0.0
Source Port: 80
Dest. IP Address: NA
Dest. Subnet Mask: NA
Dest. Port: NA