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wireshark

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2025-09-17

Network Troubleshooting for Beginners: Listening to the Wires

#tcpdump #sngrep #wireshark #troubleshooting #DevOps

Introduction Imagine: ping works, DNS responds, ports are open, mtr shows no loss, but curl returns errors like connection reset by peer or SSL handshake failed. There’s clearly a problem, but standard tools are …