t420 ports

After SQL Server is installed on the Server, all unused ports need to be blocked and only necessary ports must be opened for the sake of Server security. The following describes the ports used in SQL Server 2008: First, port 1433 is the most common. This is the port of the database engine. If we want to remotely connect to the database engine, we need to open thi

X86 IO ports and Mmio The I/O is a channel for CPU and peripheral communication, mainly divided into two types, port I/O, and Mmio (Memory mapping I/O). The is the I/O port that we often call, and it should actually be called the I/O address space. The is accessed through the In/out directive for the x86 schema. The PC architecture has a total of 65,536 8bit I/O ports, consisting of the 64ki

Use FreeBSD ports to easily create a Chinese Desktop System Author: Liu Ying Hong liu_yinghong@yahoo.com.cnAbstract: As we all know, building a freebsd desktop environment from scratch is a very tedious process, and sometimes you may lose your mind. Based on this, I created port: Chinese/auto-cn-l10n, can greatly simplify this process. Let's introduce the ports maintained by myself, which should also be wi

Recognized ports are also known as common ports, with a port number of 0-1023, and they are tightly bound to special services and can no longer redefine his object. So Remote Desktop Connection can modify the port number. , Port 23rd Telnet Service is dedicated, 25 port is SMTP (mail) service, 135 port to RPC (Remote Call service), these ports are usually not cal

Because there are too many services, there are also many corresponding ports. Here, we only briefly describe some commonly used services and corresponding ports, and arrange the order in ascending order, each item starts with "port type: port number" (for example, "TCP: 10000 "). TCP20: used for FTP data transmission. For the FTP transmission mode in active mode (PORT), see the illustration of FTP active

1. What is gpio? The full name of gpio is general-purpose Io ports, that is, general input and output ports. In embedded systems, many simple external devices or Circuits need to be controlled. Some of these devices need to be controlled by the CPU, and some need the CPU to provide the input signal. In addition, as long as many devices or circuits require an on/off two shaped bodies, such as LED light and o

Batch add firewall exception ports in Windows Copy codeThe Code is as follows: echo off Cls Set var = 30000 Set end = 30010 : Continue Set/a var + = 1 Echo add port % var % Netsh firewall add portopening TCP % var % ftp_data _ % var % If % var % lss % end % goto continue Echo complete Pause The following article highlights that you can manually add them in order or batch output them through batch processing such as vbs js.For example, the following

When mounting NFS, You need to activate the access permissions for those ports.Mount 10.12.13.11:/vol/lft_jjmk/mntUnable to mount, because the network has a limited permission configuration, in order to find out which ports need to be activated to mount nfs, the following attempt is made here.After you have knocked on the command, you are in the waiting status.Mount 10.12.13.11:/vol/lft_jjmk/mntOpen another window at the same time. Run netstat-[Root @

[Translation from mos] How does OracleGoldenGate allocate ports between the source transmission process and the target server/collector process?How Does Oracle GoldenGate allocate ports between the source transmission process and the target server/collector process?Source:How Does GoldenGate Allocates Ports between Source Extract Pump and Target Server/Collector?

WIN8 System 80 ports are occupied how to solve? Solution One 1, open the command prompt-netstat-ano, you can view the local port opening and corresponding procedures; 2, it can be seen that 21, 25 and 80 ports are PID (process identifier) is: 5668 of the process occupied. Now, as long as you know the PID is 5668 of the process can be resolved; 2, open Task Manager, you can see pid:5668 corr

All ports opened on firewalls and routers are a security risk. This is also the value of port knocking. Port collision technology is a technology that allows access to firewall services with pre-configured "Collision. The so-called collision is composed of a sequence of attempts to access the system to close the port. These attempts are either recorded in a log or saved in a background process. By configuring this log or process in advance, you can mo

View local open ports How to disable high-risk ports 1. system reserved ports (from 0 to 1023) These ports are not allowed to be used. They all have a definite definition and correspond to some common services on the Internet. Each opened port represents a system service, for example, port 80 represents a Web service.

At present, broadband routers and wireless routers are becoming increasingly popular in the household and small and medium-sized enterprise markets, and readers will find that both broadband routers and wireless routers, each of them has four adaptive RJ45 lanports and at least one adaptive RJ45 WAN port. What is the difference between a similar port and a vswitch? What are their features and how to use them? What are their different uses? In this article, we will first take you to understand th

Associating processes and ports is a very useful function. You can clearly know which programs are using which ports are helpful for trojan detection and removal. However, although we can use the task manager to browse the process list and use Netstat to view the port usage, no command can be directly associated with the process and port WinXP to add the new NetStat function, allows you to directly view the

market. If the network administrator finds this need, they can also configure one to prevent the problem. In practice, we often connect the serial port of our laptop to the secondary port of the router through a dedicated configuration connection line for router configuration and maintenance. Tip 2: Use the Auxiliary port as an asynchronous serial interface On Some routers, do you have to configure asynchronous serial interfaces. In this case, the network administrator needs to configure the Au

Introduction to layer-3 Switch technical ports: Many enthusiastic netizens have provided answers to layer-3 Switch technical questions in the White Paper of the technician. Do you have any practical help for the questioner, thank you for your generous support. The so-called sharing technology means that every workstation on a logical network is in the same network segment. The CSMA/CD mechanism is adopted in Ethernet. This conflict detection method en

Next, let's take a look at the solution of session conflicts between phpsession and multiple websites with different ip Ports. I hope this article will help you. Next, let's take a look at the solutions to the session conflicts between php sessions and multiple websites with different ip Ports. I hope this article will help you. Script ec (2); script Cause:Two sites with the same program are deployed usin

In the last month's game, a classic ms08-067 loophole was encountered, which was a classic textbook loophole. However, it is limited to using Metasploit to exploit this vulnerability. Now I want to write something about the 139 and 445 ports briefly.The first mention is that Netbios,netbios is the abbreviation for the network Basic Input/output system and provides a feature that allows different computers within the LAN to communicate. Strictly speaki

In the settings of the DHCP service, routes and switches have always been the focus of attention. In its settings, Do you know some port problems? Configure the network environment of the DHCP server instance for a Cisco 3750 switch: A 3750 switch is divided into three VLANs. vlan2 is the network where the server is located, and the IP address segment is 192.168.2.0. The subnet mask is 255.255.255.0, gateway: 192.168.2.1. The Domain server is windows 2003 advance server and serves as a DNS serve

One oracle instance Monitors multiple ports. Now we can create an oracle instance with two listening ports. There are two methods: One oracle instance Monitors multiple ports. Now we can create an oracle instance with two listening ports. There are two methods: One Oracle instance is configured with multiple liste