$3.$ Show the last line of $/$etc$/$snort$/$rules$/$telnet$.$rules $($you can use tail$).$ Then, show the value of EXTERNAL$\_$NET, which is set in $/$etc$/$snort$/$snort$.$conf $($you can use grep with $-$i to avoid writing in capitals$).$ Would this rule be triggered if an internal user tries a telnet connection to a host in Internet? Why or why not?