netstat command to check port windows code example

Example 1: linux query port use by pid

$ sudo netstat -nlp | grep :80
tcp  0  0  0.0.0.0:80  0.0.0.0:*  LISTEN  125004/nginx

Example 2: netstat -anp | grep :80 | wc -l

netstat -ant | egrep '(:80|:443) .*:.*ESTABLISHED' | awk '{print $5}' | cut -d: -f1 | sort | uniq -c