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mamashin/gist:afb0e31999b1615428dede37883ef186

Created March 23, 2017 08:15
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tcpdump show only HTTP headers
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gistfile1.txt
tcpdump -i eth0 -A -s 10240 'tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)' | egrep --line-buffered "^........(GET |HTTP\/|POST |HEAD )|^[A-Za-z0-9-]+: " | sed -r 's/^........(GET |HTTP\/|POST |HEAD )/\n\1/g'
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