Why so many ports are opened? Is it secure?

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Why so many ports are opened? Is it secure?

Casual Listener

Plan

Premium

Country

Czechia

Operating System

Gentoo

 

My Question or Issue

 

Why are opened all of these ports please?

 

Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:55721 0.0.0.0:* LISTEN 26860/spotify
tcp 0 0 0.0.0.0:57621 0.0.0.0:* LISTEN 26860/spotify
udp 0 0 0.0.0.0:60758 0.0.0.0:* 26860/spotify
udp 0 0 0.0.0.0:57621 0.0.0.0:* 26860/spotify
udp 0 0 0.0.0.0:50055 0.0.0.0:* 26860/spotify
udp 0 0 0.0.0.0:1900 0.0.0.0:* 26860/spotify

 

I have a really bad feeling about making backdoor to my system. Are they secure?

 

Thank you.

 

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