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I have a glassfish server running some webservice and I noticed that there is an abnormal traffic from japan (150.70.x.x) in my iptables log file and I dont have any user in this country . Until now this IPs didn't succed to connect to my webservice . Project honeypot detected this IPs as malicious so I want to dig more and understand what this hacker is trying to do .

How can I log the full packet from those IPs to analyse them ?


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Solved with tcpdump :

tcpdump -i eth0 -w honey.out -s 0 net
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