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3.
Create a filter that will allow external HTTP requests to reach the Web server.
The filter must recognize and allow TCP traffic with the Web server's destination IP address
and HTTP destination port:
>> Filter 224# ../filt 1
>> Filter 1# sip any
>> Filter 1# dip 205.177.15.2
>> Filter 1# dmask 255.255.255.255
>> Filter 1# proto tcp
>> Filter 1# sport any
>> Filter 1# dport http
>> Filter 1# action allow
>> Filter 1# name allow matching traffic
>> Filter 1# ena
4.
Create a pair of filters to allow incoming and outgoing mail to and from the mail server.
Filter 2 allows incoming mail to reach the mail server, and Filter 3 allows outgoing mail to
reach the Internet:
>> Filter 1# ../filt 2
>> Filter 2# sip any
>> Filter 2# dip 205.177.15.3
>> Filter 2# dmask 255.255.255.255
>> Filter 2# proto tcp
>> Filter 2# sport any
>> Filter 2# dport smtp
>> Filter 2# action allow
>> Filter 2# ena
>> Filter 2# ../filt 3
>> Filter 3# sip 205.177.15.3
>> Filter 3# smask 255.255.255.255
>> Filter 3# dip any
>> Filter 3# proto tcp
>> Filter 3# sport smtp
>> Filter 3# dport any
>> Filter 3# action allow
>> Filter 3# ena
212777-A, February 2002
Web OS 10.0 Application Guide
(Select the menu for filter 1)
(From any source IP address)
(To Web server dest. IP address)
(Set mask for exact dest. address)
(For TCP protocol traffic)
(From any source port)
(To an HTTP destination port)
(Allow matching traffic to pass)
(Provide a descriptive name for the
filter)
(Enable the filter)
(Select the menu for filter 2)
(From any source IP address)
(To mail server dest. IP address)
(Set mask for exact dest. address)
(For TCP protocol traffic)
(From any source port)
(To a SMTP destination port)
(Allow matching traffic to pass)
(Enable the filter)
(Select the menu for filter 3)
(From mail server source IP address)
(Set mask for exact source address)
(To any destination IP address)
(For TCP protocol traffic)
(From a SMTP port)
(To any destination port)
(Allow matching traffic to pass)
(Enable the filter)
Chapter 7: Filtering
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