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March 2, 2017 16:21
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A Bash script to call tcpdump for DNS traffic capture.
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#!/bin/bash | |
# Note: Do not run this script as root. You know better than that. Allow the standard user under which it runs the ability to execute /usr/sbin/tcpdump. | |
# Example: setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip' /usr/sbin/dumpcap | |
/usr/sbin/tcpdump -i [INTERFACE] -s0 -G 300 -w '/capture/dns_%Y-%m-%d_%H:%M:%S.pcap' 'port 53' |
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