active mode

VSFTP Files and directories/usr/sbin/vsftp Vsftp's main program/etc/init.d/vsftp Vsftp's startup script/etc/vsftpd.conf configuration files for vsftp/ETC/PAM.D/VSFTPD Pam Certification File/etc/vsftpd/vsftpd.ftpuser users who are forbidden to use

third (Layer 3) signaling The third layer of signaling is to look at the network operation of the information layer, from the third layer can see the various actions of the network: such as: Call flow, congestion, user busy, location update, System

1. Replication overview1.1. Replication-Resolved issuesData replication technology has some of the following features:(1) Data distribution(2) Load balancing (load Balancing)(3) Backup(4) High availability (Hi availability) and fault tolerance1.2.

OverviewThe FTP (file Transfer Protocol) Chinese is called the "Files Transfer Protocol". Used for two-way transmission of control files on the Internet.Working principle one, Active mode:1, the client through the user name and password to log on to

1. Replication overview1.1. Replication-Resolved issuesData replication technology has some of the following features:(1) Data distribution(2) Load balancing (load Balancing)(3) Backup(4) High availability (Hi availability) and fault tolerance1.2.

1 Replication OverviewMySQL's built-in replication capabilities are the foundation for building large, high-performance applications. The distribution of MySQL data across multiple systems is done by copying data from one of the MySQL hosts to the

Port Channel configuration command 1. port-group Command: port-group [port-group-number] [load-balance {src-mac | dst-src-mac | src-ip | dst-src -ip}] No port-group [port-group-number] [load-balance] Function: Create a port group and set the Traffic

FTP principle and vsftpd service configuration FTP uses TCP protocol as the underlying transmission protocol FTP has two working modes. Traditional FTP supports Active Mode. First, the client connects to port 21 of the server and then the server

Connect to the above"Defaultcacheimpl Analysis of Memcache-client-forjava source Analysis", the main analysis Icache another for the memcached cache implementation, focusing on the implementation of the memcached of high-availability capabilities.

Iptables learning 03 port forwarding two network interfaces: Lan port: 10.1.1.254/24 eth0, Wan port: 60.1.1.1/24 eth1 Lan web server: 10.1.1.1: 80, Lan ftp server: 10.1.1.2: 21 objective: to forward ports to internal servers so that internet users

MySQL master-slave replication principle and architecture, mysql master-slave architecture1 copy Overview The built-in replication function of Mysql is the basis for building large and high-performance applications. This distribution mechanism

Ubuntu default desktop Unity3D has just released version 4.20, which fixes numerous bugs and becomes more stable and new features. What new changes does Unity3D have? There is a title on the Unity panel. When you are in active mode, the Ubuntulogo

Two Ftp working modes: active and passive FTP is a data transmission Protocol. It has two connection modes: active and passive ). The following describes how FTP connections are established: In active mode (General preset mode ): The FTP client

Vsftpd is the most popular FTP server program in the Linux release. Features: small, light, secure, and easy to use. Before building a vsftpd server, first understand how FTP works.FTP transmission uses reliable TCP protocol and two connections are

1. user settings, FTP settings, IP restrictions, and so on are all under menu settings. 2. the user settings are also very simple. You can see the figure. 3. If you cannot connect to the ftp server, check the firewall on the server. If you

Two ftp transmission modes: Linux Enterprise Application-Linux server application information. For details, refer to the following section. Because the two ftp transmission modes are always mixed, write down them for reference. There are two FTP

Let your parallel hard drive work under UltraDMA100 and UltraDMA133-Linux Enterprise Application-Linux server application information. The following is a detailed description. Author: BOBO123 The current motherboard and hard disk support UltraDMA 10

Common topology of MySQL ReplicationThe replication architecture has the following basic principles:(1) Each slave can have only one master;(2) Each slave can have only one unique server ID;(3) Each master can have many slave instances;(4) If you

FTP File Transfer Service Requirements Description: ? Adopt FTP virtual user, add three users: Zhangsan , Lisi , Wangwu . ? user access and file permissions control U Open anonymous access, any user can download the server /var/ftp/soft/ directory

FTP Related knowledge1. About the FTP port numberCommand (Control) connection port: TCP 212. Data connection port: (the port on the data connection can be individually modified on the server specified)Active mode: The client tells the server through