tcpdump

Filter by destination IP and ports$ tcpdump -n “dst host 192.168.1.1 and dst port 23”$ tcpdump -n “dst host 192.168.1.1 and (dst port 23 or dst port 443)”$ tcpdump -n “dst net 192.168.10/24 and dst port 23”$ tcpdump -n “dst… Continue Reading →