active mode

When learning the FTP protocol, we learned that the work done in different protocol modes is different, so today we will explain the FTP transmission mode. First, let's take a look at the two FTP modes and how the protocol switching between them is

Introduction to Cisco Port Channel)Port trunking is used to bind multiple low-bandwidth ports of a vswitch to a high-bandwidth link to achieve load balancing. Avoid link congestion. Through configuration, You can bind two or four ports to forward

I. FTP port and PASV ModesFTP uses two TCP ports. First, it creates a command port (control port) and then generates a data port. Many textbooks in China talk about FTP using port 21 and Port 20. This should be the reason why teaching is too slow.

Indy9 and CB with Indy8 different places still quite a lot of. The first is the icon becomes beautiful, followed by a lot of method are rewritten. It is mainly based on the functions in the Delph, and strive to communicate with them. The differences

Linux monitoring Platform (ii) Active mode and Passive mode Add Monitoring Host Add a custom template Working with garbled characters in graphics Active mode and Passive mode Active or passive is relative to the client

I. FTP Introduction: Ftp: filetransferprotocol (file transfer protocol) is a protocol used to transfer files in two or more different operating systems. It has been 40 years since the birth of FPT. This year is its 40-year anniversary. So it

1. What is status detection?Each network connection includes the following information: Source Address, Destination Address, source port, and destination port, called socket pairs, protocol type, connection status (TCP protocol), and timeout time.

Active mode and passive mode 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

This article describes FTP entries in Wikipedia. FTP Server Early FTP servers were in the form of command lines. Later, a graphical FTP tool was developed. CuteFTP and filezilla are commonly used. Many Linux and Solaris have their own ftp

Part 1: Theory 1. basic principles of FTP server 1. basic concept: ftp file transfer protocol: filetransportprotocol2. transmission mode: Active mode and passive mode 3. use port. active Mode: Command Control: 21 data transmission: 20B. passive mode:

　　FTP has two modes, port mode (also called active mode) and PASV mode (also known as passive mode ), how to understand these two modes? Let me make a metaphor. In active mode: The client sends a command to the server-side 21 port to say, what do I

FTP active vs passive 1. The FTP protocol uses two TCP connections. One is the command link used to transmit commands between the FTP client and the server, and the other is the data link used to upload or download data. 2. The FTP protocol works

After the host was replaced yesterday, using the FileZilla FTP client to connect to the FTP server, the following error occurred: Command: MLSDError: Connection timed outError: Failed to read directory list So Baidu on the internet a bit,

Issues to consider 　　 Before proposing a specific load balancing solution, we need to start by explaining some of the things we need to consider when designing a load balancing system. 　　 The first thing to say is to pay attention to the high

Uucico is a file transfer tool used to process UCP or uux messages sent to the queue. Uucico has two working modes: Active mode and affiliated mode. In active mode, uucico calls the remote host. In affiliated mode, uucico accepts calls from the

Firewall (iptables)First season-----------------------Understanding FirewallsNetFilter and IptablesWhat is netfilter, in fact, it is a firewall module, and iptables is the management of NetFilter software, here to clarify the relationship between

LNMP build the server, in the use of FTP, reported the following error: After checking, is the FTP active mode passive mode problemTool: XFTP5, remove the passive mode (other clients can check the corresponding passive mode to the active mode

Two modes of operation of FTP protocol: Active mode active and passive mode passive FTP is a data transfer Protocol (File Transfer Protocol) that has two types of connection modes: Active mode (active) and passive mode (passive). The following

I. preparations before configuration: 1. install vsftpd package yuminstallvsftpd2. view vsftpd startup status chkconfig-listvsftpd3. set vsftpd2345 to the startup chkconfig-level2345vsftpdon4. view the Firewall Status/etc/init. d/iptablesstatus5.

I. Overview:After listening to the ASA video from yeslab's instructor QIN Ke, the FTP server is on the Outside and the FTP client is on the Inside. In this case, the active FTP server works normally because: ftp review can enable FTP to normally