Category: Unicorn tutorials
Slow Web Server Analysis: Uncovering Performance Issues Through Packet Tracing
Preface Observation is a crucial source of knowledge in network packet analysis, emphasizing the need for careful attention. Through meticulous observation, we uncover…
Analyzing TCP Connection Issues: Unexpected TCP Keep-Alive After Four-Way Handshake
Explore TCP connection issues in abnormal packet sequences after FIN interaction. Analyze the peculiarity and identify potential causes.
Understand IP Fragmentation and Duplicate IP ID in Packet Analysis
Background A user reported being confused by the contents of a recently captured packet, where two Ethernet packets looked like two fragments of a TCP/IP…
Analyze TCP ACK and Fast Retransmission Issues with Wireshark
Background One day, a friend in the technical exchange group asked about a TCP ACK problem, saying that normally three ACKs will result…
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