Category: Network analysis

Explore a real-life TCP SYN Flood case analysis by Wireshark expert Sake Blok, revealing insights on network infrastructure failures and solutions.

Background A friend shared a case where it took over 30 seconds for a server to transfer an 8MB file to one client,…

Preface Let’s continue with a practical example of TCP handshake issues. This data packet is still from Wireshark sharkfest 2017. It is another…

Preface When discussing PMTU, network engineers are generally well-versed in its principles and the capabilities it brings to the network. However, for those…

Preface A packet example from the Sharkfest Packet Challenge. Sharkfest is an annual conference organized by Wireshark, dedicated to sharing knowledge, experience, and best…

Preface The Sharkfest Packet Challenge offers an exciting opportunity for participants to showcase their analysis skills. Sharkfest, an annual conference organized by Wireshark,…

Preface A packet example from the Sharkfest Packet Challenge. Sharkfest is an annual conference organized by Wireshark, dedicated to sharing knowledge, experience, and best…

Preface Here’s another instance of web page access failure, analyzed in Case 2 from Wireshark Sharkfest 2018 – Point And ShootPacket. The case,…

Preface One day, a colleague from the R&D center reported that the system access was abnormal and the system could not be opened…

Background The network path is inconsistent, or the network path is inconsistent back and forth. More professionally, it can be said that the network…