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I'm running a web server on my machine(ubuntu 16.04).I use iftop to see there is traffic on port 31354.

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However, when I use lsof -i:31354 to see which process uses this port,I can't see any results, netstat -tunlp also.

I checked my code and found there is no replace to use this port.

How can I resolve?

CaldeiraG
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方文豪
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1 Answers1

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Try to look in established connections:

netstat -ntep | grep <port_number>
Costel L
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