ftp client active mode

From http://bbs.huochepiao.com/html/29/121552.htm How does entering passive mode appear during FTP connection? One of the most common challenges when dealing with Firewall and other network connection problems is the difference between active FTP

  From: http://www.phpweblog.net/killjin/archive/2008/01/06/2653.html   Directory Opening RemarksBasicActive FTPExample of active FTPPassive FTPExample of Passive FTPSummaryReferences   Opening RemarksOne of the most common challenges when dealing

Active mode 1. FTP Client use TCP Port 1026 for command to FTP Server command port 212. FTP Server use TCP port responed to FTP client command Port 10263. FTP Server use TCP port of sending data to FTP client data port 1027 (1026 + 1)4. FTP client

Directory Opening Remarks Basic Active FTP Example of active FTP Passive FTP Example of Passive FTP Summary References Appendix 1: Configure common FTP servers Opening Remarks One of the most common challenges when dealing with Firewall

Opening Remarks One of the most common challenges when dealing with Firewall and other network connection problems is the difference between active FTP and Passive FTP and how to perfectly support them. Fortunately, this article helps you clear some

In front, we played HTTP, quite a bit of meaning, in this article, we continue to play FTP (File Transfer Protocol). Both HTTP and FTP are application-layer protocols built on TCP, no matter how they are packaged, how they are loaded bigger, and

Directory Opening Remarks Basic Active FTP Example of active FTP Passive FTP Example of Passive FTP Summary References Appendix 1: Configure common FTP servers Opening RemarksOne of the most common challenges when dealing with Firewall

Active mode and passive mode of FTPThe FTP server communicates with the FTP client using 20 and 212 network ports.The FTP server's 21 port is used to transfer FTP control commands, and 20 ports are used to transfer file data.FTP Active Mode:The FTP

Special features of FTP: Most TCP services use a single connection. Generally, the client initiates a connection to a slave port of the server and then uses this connection for communication. However, the FTP protocol is different. It uses multiple

Recently do a project to use FTP and other systems for file transfer, the results of the FTP network connection problem spent a lot of time, because too long did not make more FTP, forget that FTP is not only open 21 port, the client using different