telnet – POFTUT

What Is Default SSH Port and How To Change It?

What Is Default SSH Port and How To Change It?

SSH or Secure Shell is a very popular remote connection and management protocol used to manage different types of devices. SSH can be used to manage Linux, Ubuntu, CentOS, Cisco, Fortinet, and a lot more devices. As a remove port SSH is accessed via the network using TCP 22 port. SSH Default Port Is TCP … Read more

What Is Telnet Command and What Is Telnet Used For?

Telnet is a command-line protocol used to manage different devices like Server, PC, Router, Switch, Camera, Firewall remotely. Telnet is a very simple protocol that provides simple remote connection and sending commands or data to the remote network connection. This makes telnet very popular among IT systems. Telnet generally comes after SSH for remote system … Read more

List Of Telnet Command and Examples

telnet is very important protocol used to connect remote systems via command line. It has some security defects but used widely because of its simple and widespread usage. In this tutorial we will learn telnet commands. Install Telnet From Windows Command Line We have all ready examined how to install telnet in Windows operating systems. … Read more

How To Find And Change SSH Port Number?

How To Find And Change SSH Port Number?

ssh  is the default protocol used to manage remote systems which are mainly Linux and Network Devices. As it is working over a network connection and uses TCP it has a default port number which is 22. In this tutorial, we will look at how to change the default port number from the client and … Read more

How To Install and Use Telnet Client In Linux and Windows

Telnet is easiest remote management protocol used in Computer networks. It remains popular even today because of its simplicity. Telnet is a client server protocol where clients uses telnet tool which to connect remote telnet server. This telnet server may be switch, router, windows operating system, linux server or a printer.  In this tutorial we … Read more

How To Ping Specified Port Number?

How To Ping Specified Port Number?

Ping is a very popular term used by the system or network administrators. Ping means checking the given remote system whether it is up. A ping is a simple tool which uses ICMP protocol to check remote host. Some times ping port can be used with similar intentions. In this tutorial, we will look at … Read more

How To Specify Host, Port and Protocol For Tcpdump?

Tcpdump is everyday tool used by system and network administrator. We generally look simple use cases like host, port and protocol filter for tcpdump . In this tutorial we will look how to filter host, port and protocol in tcpdump. But keep in mind that tcpdump will requires administrator or root privileges. We can use root account … Read more

How To Check and List Listening Ports with Netstat In Linux

netstat is very useful tool which provides a lot of information about the network of operating system. netstat command can list ip addreass, route, port, connections etc. More detailed information about the netstat command can be found in the following tutorial. Linux Netstat Command With Examples List All Listening Ports We can use netstat -l options in order to list … Read more

Introduction To Memcached with Telnet and Python

We have successfully installed and stated Memcached. Now we will simply connect to the Memcached and work simple operations. Connect To The Memcached with Telnet The simples tool to connect Memcached and make operations is telnet. Memcached default tcp port is 11211 so to connect memcached we will issue following commands. $ telnet 11211 Trying … Read more

How To Find External or Wan IP Address Without Browser?

Sometimes I need external IP address of system I am logged on. The general solution is to use browser and search for “what is my address” . And magically google shows the external IP. But if you have no chance to use browser or especially GUI there must be an alternative for this. Here is  … Read more