use tcpdump to trace POST data in linux Posted byjuzhax·Published 2014-08-09·Last updated 2014-08-23·1 minute read Last updated on 2014-08-23 at 2:48 pm tcpdump -s 0 -A 'tcp dst port 80 and (tcp[((tcp[12:1] & 0xf0) >> 2):4] = 0x504f5354)' Share this: Share on X (Opens in new window) X Share on Threads (Opens in new window) Threads Share on WhatsApp (Opens in new window) WhatsApp Share on Reddit (Opens in new window) Reddit Share on Facebook (Opens in new window) Facebook More Share on Pinterest (Opens in new window) Pinterest Share on LinkedIn (Opens in new window) LinkedIn Share on Tumblr (Opens in new window) Tumblr