My guess would be Windows firewall issues, FTP uses other ports than just port 21 - sometimes changing the FTP mode from active to passive helps to get things working. reqFTP.UsePassive = false; Look at this good article on FTP: Active FTP vs. Passive FTP, a Definitive Explanation Share...
Usually (as far as I know), FTP uses port 21. Since this port is used for FTP so often, is it safer to use another port? My guess is that if someone with malicious intentions tries to break FTP accounts, they will try port 21. ports ftp Share Improve this question Follow asked A...
Common FTP status codes and their causes 150 - FTP uses two ports: 21 for sending commands, and 20 for sending data. A status code of 150 indicates that the server is about to open a new connection on port 20 to send some data. 226 - The command opens a data connection on port 20...
Typically, FTP uses port 21, but for security reasons or other factors, a different port number may be configured. Before a user can start sharing files, he needs to authenticate to the server, typically with a username and password. If the authentication is successful, the server will ...
FTP Server Port int FTP Port Number (example: 21) Enable SSL? bool Enable SSL? (True/False) Binary Transport? bool Enable Binary Transport? (True/False) Disable Certificate Validation? bool Disable Certificate Validation? (True/False) Close connection after request completion bool Close FTP...
TFTP, as described inRFC 1350, is a simple protocol to read and write files between a TFTP server and client. TFTP uses UDP port 69. Advanced Protocol Handling Why do you need FTP inspection? Some applications require special handling by the Cisco Security Appliance application insp...
After theftp server portcommand is executed, the FTP server disconnects all FTP connections and uses the new listening port. If the current listening port number is 21, FTP client users do not need to specify the port number for logging in to the FTP server. If the current listening port...
In passive mode lftp uses PASV command, not the PORT command which is used in active mode. In passive mode lftp itself makes the data connection to the server; in active mode the server connects to lftp for data transfer. Passive mode is the default. ...
(Optional) Configure the listening port for the FTP server. server-port port By default, the FTP server uses port 21. Specify the name of the file to be downloaded or uploaded. local-file-name localfilename The file name format is supported for file upload. The file name or directory...
150 - FTP uses two ports: 21 for sending commands, and 20 for sending data. A status code of 150 indicates that the server is about to open a new connection on port 20 to send some data. 226 - The command opens a data connection on port 20 to perform an action, such as transferri...