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Excluding Noncacheable Sites
Some Web sites provide content that is not well suited for redirection to cache servers. Such
sites might provide browser-based games or applications that keep real-time session informa-
tion or authenticate by client IP address.
To prevent such sites from being redirected to cache servers, create a filter which allows this
specific traffic to pass normally through the Web switch. This filter must have a higher prece-
dence (a lower filter number) than the application redirection filter.
For example, if you wished to prevent a popular Web-based game site on subnet 200.10.10.*
from being redirected, you could add the following to the previous example configuration:
>> # /cfg/slb/filt 1
>> Filter 1# dip 200.10.10.0
>> Filter 1# dmask 255.255.255.0
>> Filter 1# sip any
>> Filter 1# proto tcp
>> Filter 1# dport http
>> Filter 1# sport any
>> Filter 1# action allow
>> Filter 1# ena
>> Filter 1# ../port 5
>> SLB port 5# add 1
>> SLB port 5# ../port 6
>> SLB port 6# add 1
>> SLB port 6# apply
>> SLB port 6# save
212777-A, February 2002
Web OS 10.0 Application Guide
(Select the menu for filter 1)
(To the site's destination IP address)
(For entire subnet range)
(From any source IP address)
(For TCP traffic)
(To an HTTP destination port)
(From any source port)
(Allow matching traffic to pass)
(Enable the filter)
(Select SLB port 5)
(Add the filter to port 5)
(Select SLB port 6)
(Add the filter to port 6)
(Apply configuration changes)
(Save configuration changes)
Chapter 8: Application Redirection
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