How to find out what service is listening on a specific port of a Ubuntu server without proccess id?
I have decided to post this question even though there are a lot of similar questions, but none of them answered mine. I periodically check the ports my server listens to. My ubuntu OS by the output of lsb_relase -a : Distributor ID: Ubuntu Description: Ubuntu 20.04.3 LTS Release: 20.04 Codename: focal I run the command netstat -tulpn4 and the output shows a
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