Click the filter icon  in the toolbar to open the Project Settings - Filter page, to add a project filter, you can choose to create a new one or select from the global Filter Table with predefined filters listed.
- Add a new
filter
Click on the Add
button and select New... to enter the filter setting page. The Simple Filter tab lets you quickly make the most commonly used filters by address, port and/or protocol. For example, if you check the box of Address filter, select IP address and enter 192.168.6.100 in Address 1, keep Both directions and select IP address and enter 221.236.12.213 in Address 2 , after you confirm your operation and return to the previous page, you can see the filter you just define listed with a tick indicating that it is accepted. After click Ok to confirm again, only the packets transmitted between 192.168.6.100 and 221.236.12.213 will be analyzed.
The Advanced Filter tab is for you to create more complex filters with a wider range of filter parameters, including address, port, protocol, packet value, packet size and packet pattern. You need to select a logical rule for a single filter, the logical rules can be And, Or or Not. See "Advanced filters" for more descriptions.
- Add from filter table
Click on the Add
button and select From Filter Table... to open a dialog which lists all predefined filters, you can check one or more filters, before confirm your selection, you need to decide a filter rule: accept or reject the packets matching filter for analysis.
- Add by captured packet
If you want to make a filter on the basis of a captured packet or item, just right click on the item and select Make Filter.... from the context menu, Colasoft Capsa will fill in the filter automatically. This function is available for the Diagnoses - Events view, Endpoints view, Protocols view, Packets view, Conversations view,
Matrix view and Logs view.
New filters can be made at any time and will go into effect immediately.
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