using telnet to check port access

Click on the computer's Start menu-run, enter the cmd command, and then OK. Open the cmd command line. Enter Telnet test port command: Telnet IP port or Telnet domain portEnter If the port is closed or unable to connect, display a link that

A major advantage of Internet systems is that it is as convenient to manipulate computers on the other end of the world as it is to use computers on the other side. This chapter describes how to use the telnet service system to connect to a remote

The computer ports are as follows: 0 Port: Invalid port, typically used to analyze operating system 1 Port: Transmission Control Protocol port Service multi-Switch Selector 2 Port: Management utility 3 Port: Compression process 5 Port: Remote

This has to be one of the more common support callthat I get. the telnet daemon is no longer usually installed by default, so people are surprised when their newly installed Linux system won't answer telnets. By the way, I am always careful to

Original address: http://www.moon-soft.com/download/info/2826.htm Port: 0Service: ReservedDescription: Typically used to analyze the operating system. This method works because in some systems "0" is an invalid end, you will have different results

Article Title: Configure and use the Telnet and ssh services in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

To configure the telnet service, follow these steps: 　　1. Install the Telnet package (usually two ). 1. telnet-client (or telnet). This package provides the Telnet client program; 2. It is the telnet-server software package. This is the real telnet

Speaking of the port, this is indeed an old topic, but everything starts from it and has to be said. What is port? For example, if you live in a house and want others to visit you, you have to open a door on the house. You have a cute kitten, for

The Telnet protocol is a member of the TCP/IP protocol family and is the standard protocol and main way of Internet remote Login service. It provides users with the ability to perform remote host work on the local computer. Use the Telnet program on

Configure and use Telnet in RedHat Linux 9 To configure the telnet service, follow these steps: 　　1. Install the Telnet package (usually two) 1. telnet-client (or telnet). This package provides the Telnet client program; 2.