Which use ports 20 and 21?
christy 29-February-2008 02:24:19 PM

Comments


Traditionally these are port 21 for the command port and port 20 for the data port. We will see the opposite behavior when we use passive FTP.
Posted by waqasahmad


FTP uses both ports
Posted by HamidAliKhan


see the links below
http://www.auditmypc.com/port/udp-port-21.asp
http://www.auditmypc.com/port/tcp-port-20.asp
Posted by Hash007


FTP.
Posted by waqqas1


FTP uses TCP port 20 for data and TCP port 21 for control.
Posted by suresh123



Posted: 29-February-2008 02:38:52 PM By: suresh123

FTP uses TCP port 20 for data and TCP port 21 for control.

Posted: 13-November-2008 12:05:53 AM By: waqqas1

FTP.

Posted: 18-November-2008 02:36:31 AM By: Hash007

see the links below
http://www.auditmypc.com/port/udp-port-21.asp
http://www.auditmypc.com/port/tcp-port-20.asp

Posted: 29-November-2008 12:55:52 PM By: HamidAliKhan

FTP uses both ports

Posted: 03-March-2009 12:05:34 PM By: waqasahmad

Traditionally these are port 21 for the command port and port 20 for the data port. We will see the opposite behavior when we use passive FTP.