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Question
In linux, how to you get a list of all the ports on your machine that currently have services listening on them? (make sure when you issue command, you list all relevant flags, and to list all listening tcp and udp ports)
Answer

sudo netstat -tupln


^^ running as sudo gives you more results (especially for getting PIDs)
^^^ t flag is for tcp
^^^^ u flag is for udp
^^^^^ p flag is to get the PID of the service listening on that particular port
^^^^^^ l flag is to list all listening ports
^^^^^^^ n flag is so there is no name resulotion for ports, so you get output like "0.0.0.0:80" and not "0.0.0.0:http"


Question
In linux, how to you get a list of all the ports on your machine that currently have services listening on them? (make sure when you issue command, you list all relevant flags, and to list all listening tcp and udp ports)
Answer
?

Question
In linux, how to you get a list of all the ports on your machine that currently have services listening on them? (make sure when you issue command, you list all relevant flags, and to list all listening tcp and udp ports)
Answer

sudo netstat -tupln


^^ running as sudo gives you more results (especially for getting PIDs)
^^^ t flag is for tcp
^^^^ u flag is for udp
^^^^^ p flag is to get the PID of the service listening on that particular port
^^^^^^ l flag is to list all listening ports
^^^^^^^ n flag is so there is no name resulotion for ports, so you get output like "0.0.0.0:80" and not "0.0.0.0:http"


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