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A Daffodil PCAP NiFi Template is available as an example of the DaffodilParse and DaffodilUnparse NiFi processors. This template expects both the PCAP git repo and the pcap-filter.xsl to be in the /home/dfdl/ directory. This template reads the dns.cap file in the pcap repository, parses it to XML using Daffodil, filters the XML to remove all packets that contain a specified IP address, unparses the filtered XML back to a pcap file, and outputs the result to /tmp/nifi/results.
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