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README.md

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Firewall

The Firewall NF drops/forwards packets based on LPM rules specified in the rules.json file. A user would enter a rule in the following format:

"ruleName": {
		"ip": "127.1.1.0",
		"depth": 32,
		"action": 0
	}

Compilation and Execution

cd examples
make
cd firewall
./go.sh SERVICE_ID -d DESTINATION_ID -f RULES_FILE

OR 

./go.sh -F CONFIG_FILE -- -- -d DST -f RULES_FILE [-p PRINT_DELAY] [-b debug mode]

App Specific Arguments

  • -b: specifies debug mode. Prints individual packet source ip addresses.
  • -f <rules_file>: rules used for LPM lookup.
  • -p <print_delay: number of packets between each print, e.g. -p 1 prints every packets.