tcpdump example

examples/advanced/03_NetworkSniffer/NetworkSniffer.pow

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+kapow route add /sniff -c 'tcpdump -i any -U -s0 -w - "not portrange 8080-8082" | kapow set /response/body'

examples/advanced/03_NetworkSniffer/README.md

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+# Network Sniffer (tcpdump) as a Service
+
+Provides an HTTP service that allows the user to sniff the network in real time.  The packet capture data is served as an HTTP stream that can be injected to a packet analysis tool on the fly.
+
+
+## How to run it
+
+For the sake of simplicity, run:
+
+```
+$ sudo -E kapow server NetworkSniffer.pow
+```
+
+In a production environment, tcpdump should be run with the appropiate
+permissions, but kapow can (and should) run as an unprivileged user.
+
+
+## How to consume it
+
+```
+$ curl http://localhost:8080/sniff | sudo -E wireshark -k -i -
+```