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Export filters
To export filters, click the Export... button. When export filters, all the items in the filter list will be exported to a file
in .cscflt format, which can be imported later by other projects.
Filters
Network Analyzer
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Simple filters
The Simple Filter page allows you to customize some commonly used filters by address, port and/or protocol in a
single filter. When multiple parameters are chosen they are connected by logical And statements. That is, packets
must match all of the conditions in order to match the filter.
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The simple filters defined can also be seen in the Advanced Filter page as below.
Filters
Network Analyzer
© 2009 Colasoft. All rights reserved. Colasoft®, the Colasoft logo, Capsa® are among the trademarks or registered trademarks of the company in
the United States and/or other countries. All other trademarks are
Address filter
You can set an address filter by physical address, IP address, IP range and IP subnet. To define an address filter,
check the checkbox of Address filter first, select an address type from the upper combo box of Address1, then
input an address into the lower combo box or select from the name table. Click the icon to get references if
you are not familiar with address formats.
The combo box of Direction is for you to specify the send/receive relationship between the two addresses. You
should select Both directions to match all packets going in either direction between address 1 and address 2,
otherwise you could instead match only traffic going from address 1 to address 2, or match only traffic going the
other direction.
Similar as Address1, you must select an address type and enter a valid address in Address2 , or simply choose
Any Address. You can select an address from the name table for both Address1 and Address2 by clicking the
icon. Below is an example of address filter.
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Port filter
To define a port filter, check the Port filter checkbox, select a port type and input parameters with correct format
in Port1. Notice that if you select Multiple ports, the ports you enter must be separated with semicolon. Other
settings are similar as the Address filter section.
Below is an example of port filter.
Protocol filter
To define a protocol filter, check the Protocol filter checkbox, click the Select button to open the Protocol Filter
dialog, find protocols by the first alphabet of the protocol name, then select protocols by checking the
corresponding check box and click OK to confirm your selection. The selected protocols are listed in the pane at
the bottom of the Simple Filter page, you can delete a protocol item from the list with the Remove button.
Below is an example of protocol filter.
Advanced filters
Filters
Network Analyzer
© 2009 Colasoft. All rights reserved. Colasoft®, the Colasoft logo, Capsa® are among the trademarks or registered trademarks of the company in
the United States and/or other countries. All other trademarks are
In addition to make simple filters by address, port and protocol, you can also choose packet size, packet value and
packet pattern as filter parameters, which are available in the Advanced Filter page. Advanced filters are unique
to Colasoft Capsa enterprise edition.
To create an advanced filter, click the Filter icon from the toolbar to open the Project Settings - Filter page.
Click the Advanced Filter tab, you can see a screen with some icons and the text And, Or, Not representing the
rules for settings advanced filters. The filter name, filter color and comment can be customized, if you check the
check box of Set as default, this advanced filter will appear in the filter list each time when you open a new
project.
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You should specify a rule before adding a new filter item using logical And or logical Or statement; logical Not
statement is for you to not accept the current filter item. The table below provides brief descriptions for these rules
and other commands available in the Advanced Filter page.
Command Description
Set as default The settings and rules in this filter will be saved, it will appear in the predefined
filter list when you start a new project.
And The logical And statement shows the relationship of these filters is paratactic,
that is, the packet to be captured must meet all these filters.
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