Add addresses as dictionary

gistfile1.txt

#!/bin/bash

readonly connections=(       
                            '192.168.1.4/24|tcp|22'
                            '192.168.1.5/24|tcp|53'
                            '192.168.1.6/24|tcp|80'
                            '192.168.1.7/24|tcp|139'
                            '192.168.1.8/24|tcp|443'
                            '192.168.1.9/24|tcp|445'
                            '192.168.1.10/24|tcp|631'
                            '192.168.1.11/24|tcp|5901'
                            '192.168.1.12/24|tcp|6566'
)

function set_connections(){
    local range proto port
    for fields in ${connections[@]}
    do
            IFS=$'|' read -r range proto port <<< "$fields"
            echo "ufw allow from ${range} proto ${proto} to any port ${port}"
    done
}

set_connections