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Payload scan

The payload scan NF drops/forwards packets based on whether or not a user-input string appears in the packets payload.

Compilation and Execution

cd examples
make
cd payload_scan
./go.sh SERVICE_ID -d DESTINATION_ID -s INPUT_STRING

OR 

./go.sh -F CONFIG_FILE -- -- -d DST -s INPUT_STRING [-p PRINT_DELAY] [-i inverse mode]

App Specific Arguments

  • -i: If the user-input string appears in the packets payload, drop the packet instead of forwarding it.
  • -s <input_string>: String used to search within a packets payload.
  • -p <print_delay: number of packets between each print, e.g. -p 1 prints every packets.