Hear your Firewall
This little script watches the /var/log/kern.log
for the string [FW] default
which is logged by my firewall when dropping a package. For each map a little beep is sent to the pc speaker.
You need beep
for it.
#> apt-get install beep
#!/bin/sh tail -f /var/log/kern.log | \ awk ' $0 ~ /\[FW\] default/ { match($0, / DPT=([0-9]+) /, matches); port = matches[1]; print port; if (port < 1024) { system("beep -f 500 -l 100"); }else{ system("beep -f 2000 -l 100"); } } '