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November 22, 2016

Troubleshooting With Wireshark - Analyzing TCP Resets

This case study shows how we dug into a problem where a client had intermittent connectivity to the internet. Some applications worked while others did not. It affected all users in a small office.

The capture file showed several TCP resets. What did they tell us? What were the next steps? What key header values pointed to the root cause?

 

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