active mode

Link AggregationThere are port aggregation and port bundling. The English name is porttrunking. The function isVswitchTo achieve load balancing. Avoid link congestion. Through configuration, You can bind two or four ports to forward data on specific

How to build a secure FTP service on Linux using vsftpd? FTP (file transfer protocol) is one of the widely used services on the Internet. It is mainly used to transmit files from one host to another. FTP itself was not designed as a security

Discovering that you are facing two major difficulties in learning: laziness and forgetting. Laziness depends on self-discipline, schedules, rewards mechanisms (ice cream, delicious meals, soda, etc.), and forgetting is based on notes, knowledge

Iptables-1.1.9 Guide (Classic) (4)-Linux Enterprise Application-Linux server application information, which is described below. The meaning of [UNREPLIED] is the same as that in the previous section. It indicates that the number is transmitted only

A protocol that requires multiple connections between a client and a server to complete an application is a complex protocol. Complex protocols such as ftp,pptp,h.323 and sip are entered.This article mainly describes how the FTP protocol works.

What is FTP?FTP is the abbreviation for the file Transfer Protocol files Transfer Protocol.What is the FTP port number?21stCan I change the port number of FTP?YesWhat is the difference between port number 20 and 21 for FTP?One is the data port, one

1, user settings, FTP settings, IP restrictions, etc. are set under the menu. 2, user settings are also very simple, look at the picture can understand. 3. If you are unable to connect to the FTP server, check the firewall on your

Because I am a rough guy and a cainiao, I only want to know what the common people want to listen.   I don't know why the authors of the net mentioned that socks proxy is more complicated than http proxy. I have done both http proxy and socks proxy.

Review passive development In C # programming and development of game controllers-API (1) This article introduces the development of "passive mode. In this way, our program acts as only one message receiver. The system regularly tells us the current

Zabbix source code compilation and installation, and zabbix source code compilation Introduction: Zabbix distributed monitoring system, source code compilation and installation records (not to mention the number of times) :

Zabbix basic functions In the previous article, I installed zabbix server and zabbix agent on the same host. Now, how can I configure zabbix server to monitor myself. Run vim/etc/zabbix/zabbix_agentd.conf to edit the agent configuration

From: http://blog.csdn.net/jixiuffff/article/details/5879547 [C-sharp] View plaincopy # Five checkpoints prerouting, forward postrouting Input Output # A data packet enters my machine from prerouting. It has two destinations. One is to

Author: Piner (Reprinted with the source: ixdba.com) Permanent Link:Http://www.ixdba.com/html/y2007/m06/118-aix-5l-etherchannel.html In the AIX operating system, you can configure multiple etherchannels (NIC binding ). Before AIX 5.2, we can only

To:   Q: What is the difference between active/active and active/passive arrays? Which technology is better? A:   Storage arrays (SCSI, FC, iSCSI, and NAS) with two or more controllers can be configured in active/active mode or active/passive

Zabbix This open Source Tool feature is still very powerful if you work with it. There are always problems or data cannot be monitored, etc...1, agent-side permissions issues firewall and agent version and so on, and whether to configure the active

Briefly:Today, consider the active registration function of Zabbix.When you have 10 machines to monitor, it is no problem to add them manually. But what do you do when you have 50, hundreds, or more servers to monitor?Active agent Auto-registration

Linux inside the firewall iptables generally is the port open, for the FTP protocol in the PASV (passive) mode, there are 2 connections, this second connection seems to be with the first 21 port is not related, 21 port is connected to the

The FTP server iptables configuration system: CentOS6.2 software: vsftpd. after iptables is installed, the default iptables rules only allow packets in the RELATED, ESTABILISHED status and SSHD status to enter the server, after vsftpd is installed,

Recent projects need to implement FTP upload, download function, using the Apache Commons Net API. The code is done quickly, but because the API usage scenario is not very familiar, take a few detours, and take a moment to summarize. A)Active

The difference between active mode and passive mode of 1.FTP:The biggest difference is that the data port is not always 20,Pros and cons of active mode and passive mode:Active FTP is advantageous to the management and security of FTP server, but it