Allowing TCP/UDP ports through CSF Firewall easily

csfaddport.sh

#!/bin/bash
######
#$1<--->Method:::TCP_IN,TCP_OUT,UDP_IN,UDP_OUT
#$2<--->Port Number
[ -z "$2" ] && echo "Usage: addportcsf.sh Method PortNumber" && exit 1
csfconfpath="/etc/csf/csf.conf"
[ ! -w "$csfconfpath" ] && echo "CSF config file could not be modified or not found." && exit 1
portlist="$(grep "\ *$1.*\"$" $csfconfpath|cut -d\" -f2)"
occurance=false
for i in $(echo $portlist|tr , "\n")
do
    [ "$i" == "$2" ] && echo "found existing port $i,skipping" && occurance=true && break
done

if [ "$occurance" == "false" ]
then
    echo "appending the port $2 to method $1"
    portlist+=",$2"
    finalrule="$1 = \"$portlist\""
    echo $finalrule
    sed -i "s/\ *$1.*\"$/$finalrule/g" $csfconfpath
fi