Network Router User Manual

Web OS 10.0 Application Guide
Chapter 7: Filtering
189
212777-A, February 2002
For UDP:
Similarly, for TCP:
>> Filter 5# ../filt 6 (Select the menu for Filter 6)
>> Filter 6# sip any (From any source IP address)
>> Filter 6# dip 205.177.15.4 (To local DNS Server)
>> Filter 6# dmask 255.255.255.255 (Set mask for exact dest. address)
>> Filter 6# proto udp (For UDP protocol traffic)
>> Filter 6# sport any (From any source port)
>> Filter 6# dport domain (To any DNS destination port)
>> Filter 6# action allow (Allow matching traffic to pass)
>> Filter 6# ena (Enable the filter)
>> Filter 6# ../filt 7 (Select the menu for Filter 7)
>> Filter 7# sip 205.177.15.4 (From local DNS Server)
>> Filter 7# smask 255.255.255.255 (Set mask for exact source address)
>> Filter 7# dip any (To any destination IP address)
>> Filter 7# proto udp (For UDP protocol traffic)
>> Filter 7# sport domain (From a DNS source port)
>> Filter 7# dport any (To any destination port)
>> Filter 7# action allow (Allow matching traffic to pass)
>> Filter 7# ena (Enable the filter)
>> Filter 7# ../filt 8 (Select the menu for Filter 8)
>> Filter 8# sip any (From any source IP address)
>> Filter 8# dip 205.177.15.4 (To local DNS Server)
>> Filter 8# dmask 255.255.255.255 (Set mask for exact dest. address)
>> Filter 8# proto tcp (For TCP protocol traffic)
>> Filter 8# sport any (From any source port)
>> Filter 8# dport domain (To any DNS destination port)
>> Filter 8# action allow (Allow matching traffic to pass)
>> Filter 8# ena (Enable the filter)
>> Filter 8# ../filt 9 (Select the menu for Filter 9)
>> Filter 9# sip 205.177.15.4 (From local DNS Server)
>> Filter 9# smask 255.255.255.255 (Set mask for exact source address)
>> Filter 9# dip any (To any destination IP address)
>> Filter 9# proto tcp (For TCP protocol traffic)
>> Filter 9# sport domain (From a DNS source port)
>> Filter 9# dport any (To any destination port)
>> Filter 9# action allow (Allow matching traffic to pass)
>> Filter 9# ena (Enable the filter)