79
This filter will Drop all TCP packets coming from LAN with IP Address/Sub.
Mask 192.168.1.45/24 having a source port of 80 irrespective of the
destination. All other packets will be Accepted.
2.
Filter Name
: Out_Filter2
Protocol :
UDP
Source
Address
:
192.168.1.45
Source
Subnet
Mask
:
255.255.255.0
Source
Port
:
5060:6060
Destination
Address
:
172.16.13.4
Destination Subnet Mask
: 255.255.255.0
Destination
Port
:
6060:7070
This filter will drop all UDP packets coming from LAN with IP Address/
Subnet Mask 192.168.1.45/24 and a source port in the range of 5060 to
6060, destined to 172.16.13.4/24 and a destination port in the range of
6060 to 7070.
Incoming IP Filtering:
Helps in setting rules to ACCEPT packets from the WAN interface. By default
all incoming IP
traffic from WAN is Blocked, if the Firewall is Enabled. By
setting up one or more filters, particular packet types coming from the WAN
can be Accepted.
Filter Name:
User defined Filter Name.
Protocol:
Can take on any values from TCP/UDP, TCP, UDP or ICMP
Source IP Address/Source Subnet Mask:
Packets with the particular
"Source IP Address/Source Subnet Mask" combination will be accepted.
Source Port:
This can take on either a single port number or a range of
port numbers. Packets having a source port equal to this value or falling
within the range of port numbers(portX : portY) will be accepted.
Destination IP Address/Destination Subnet Mask:
Packets with the
particular "Destination IP Address/Destination Subnet Mask" combination
will be accepted.
Destination Port:
This can take on either a single port number or a range
of port numbers. Packets having a destination port equal to this value or
falling within the range of port numbers(portX : portY) will be accepted.
The WAN interface on which these rules apply needs to be selected by user.
Examples:
1.
Filter Name
: In_Filter1
Protocol :
TCP
Source
Address
:
210.168.219.45
Source
Subnet
Mask
:
255.255.0.0
Source
Port
:
80
Destination
Address
:
NA
Destination Sub. Mask
: NA
Destination
Port
:
NA
Summary of Contents for CT-820C
Page 1: ...CT 820C VoIP Gateway User s Manual Version A2 0 December 26 2007 261053 034 ...
Page 6: ...5 1 2 Application The following diagram depicts the application of the CT 820C ...
Page 12: ...11 ...
Page 19: ...18 4 4 ARP Click ARP to display the ARP information ...
Page 20: ...19 4 5 DHCP Click DHCP to display the DHCP Leases information ...