Packet Analysis
Packet analysis inspects raw network traffic to diagnose complex network issues, detect anomalies, or debug protocols. Tools include tcpdump and wireshark.
Input:
tcpdump -i eth0 -c 10 icmp
Output:
14:21:10.123456 IP 192.168.1.100 > 8.8.8.8: ICMP echo request, id 12345, seq 1, length 64
14:21:10.135678 IP 8.8.8.8 > 192.168.1.100: ICMP echo reply, id 12345, seq 1, length 64
Explanation: Captures 10 ICMP packets on eth0 to analyze network requests and responses.
References: