davidlares · January 4, 2020 02:34
diff --git a/ports.sh b/ports.sh
 #!/bin/bash

 # this script shows the open network ports on a system
 # -4 to limit TCP IPv4 ports

 if [[ "${1}" = '-4' ]]
 then
  netstat -nutl ${1} | grep ':' | awk '{print $4}' | awk -F ':' '{print $NF}'
 fi
	#!/bin/bash

	# this script shows the open network ports on a system
	# -4 to limit TCP IPv4 ports

	if [[ "${1}" = '-4' ]]
	then
	netstat -nutl ${1} \| grep ':' \| awk '{print $4}' \| awk -F ':' '{print $NF}'
	fi