#!/usr/local/bin/bash

# Copyright (c) 2018-2022, diyIT.org
# All rights reserved.
#
# BSD 2-Clause License ("Simplified BSD License" or "FreeBSD License")
# https://diyit.org/license/
#
#

for jail in $(jls -h name | tail +2); do
    sudo jexec $jail netstat -LAan 2>/dev/null | grep -q $1;
    if [ $? -eq 0 ]; then
        echo "found in jail $jail";
    fi;
done