chargen 19/udp ttytst source # Character Generator
ftp-data 20/tcp # File Transfer [Default Data]
ftp-data 20/udp # File Transfer [Default Data]
-ftp 21/tcp # File Transfer [Control]
+ftp 21/tcp safetp # File Transfer [Control]
ftp 21/udp # File Transfer [Control]
# Jon Postel <postel@isi.edu>
ssh 22/tcp # SSH Remote Login Protocol