If ftp is running, whether that be from inetd or as standalone, it will show as a LISTEN in
netstat -an output.
Code:
$ netstat -an -f inet
Active Internet connections (including servers)
Proto Recv-Q Send-Q Local Address Foreign Address (state)
tcp 0 0 *.21 *.* LISTEN
tcp 0 0 *.6000 *.* LISTEN
tcp 0 0 127.0.0.1.587 *.* LISTEN
tcp 0 0 127.0.0.1.25 *.* LISTEN
tcp 0 0 *.22 *.* LISTEN
tcp 0 0 *.515 *.* LISTEN
Active Internet connections (including servers)
Proto Recv-Q Send-Q Local Address Foreign Address (state)
udp 0 0 192.168.222.20.2012 194.165.35.111.123
udp 0 0 192.168.222.20.7197 145.24.129.5.123
udp 0 0 192.168.222.20.4237 213.154.229.26.123
udp 0 0 192.168.222.20.3805 130.89.164.77.123
udp 0 0 192.168.222.20.14453 213.249.66.35.123
udp 0 0 *.514 *.*
You check if inetd is running by the following:
Code:
$ pgrep inetd
26811
$ ps -aux | grep inetd
root 26811 0.0 0.1 440 840 ?? Is 12:53AM 0:00.00 inetd