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 dropped.
Examples:
1.
Filter
Name
:
Out_Filter1
Protocol
:
TCP
Source
Address
:
192.168.1.45
Source Subnet Mask : 255.255.255.0
Source
Port
:
80
Dest.
Address :NA
Dest. Sub. Mask
: NA
Dest. Port
: NA
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
Dest.
Address :172.16.13.4
Dest. Sub. Mask
: 255.255.255.0
Dest.
Port
:
6060:7070
This filter will drop all UDP packets coming from LAN with IP Address/Sub.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.
94
Summary of Contents for CT-5621
Page 1: ...CT 5621 ADSL2 Multi Port Router User s Manual Version A1 7 November 9 2007 261055 016...
Page 5: ...APPENDIX C SPECIFICATIONS 100 APPENDIX D SSH CLIENT 102 3...
Page 7: ...1 2 Application The following diagram depicts the application of the CT 5621 5...
Page 16: ...STEP 6 When the screen displays as below click the NEXT button 14...
Page 31: ...4 2 7 DHCP Click DHCP to display the DHCP information 29...
Page 52: ...This screenshot is for Bridge encapsulation 50...
