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Get Started
Get started with packet analysis.
This tutorial explains how to upload a packet capture to Context By Signal for analysis. For information on how to capture 802.11 frames, see Simple Packet Capture on a Mac with a Built-in Adapter.
Requirements
- An 802.11 packet capture no more than 200 MB in size.
Sign in
You'll need to sign in before creating an analysis job.
To sign in
- Go to the Analyze page.
- In Sign in, enter your name and email address. We use this information to notify you when your analysis job is complete.
- Enter the city and postal code of the location of your capture.
- Select the options that describe the location.
Step 2. Upload files
To upload files
- Click Choose file.
- Select the Wireshark format file you want to upload. CBS accepts capture files in Wireshark PCAP and PCAPNG formats.
- Click UPLOAD. To remove a selected file, click CLEAR.
Step 3. Select options
When analysis is complete, CBS sends a link to the observation summary to your email address.
To receive an additional copy of the report in CSV format, select CSV FILE.
To receive an additional copy of the report as a JavaScript Object Notation (JSON) file, select JSON. This format is commonly used for data exchange in software applications.
For an additional report with anonymized MAC addresses, select ANONYMIZE.
Step 4. Review your observation summary
For reference information on the descriptive tables that are contained in the observation summary, see Data Tables.
For a walk-through of an observation summary, see [TBD].