![]() The standard TCP port for SSH is 22, though it can be configured to listen on a different port. Simply put, an SSH client is a program that uses a secure shell protocol to help you connect to a remote computer. It can be used securely to access many resources such as routers, switches, computers, servers, and more.Īll that you need is an SSH client to make the most of this protocol. This is why it is a popular option for logging and working on a remote computer. In a nutshell, SSH uses many encryption and authentication techniques to ensure that data streams cannot be read or manipulated, and allows only authorized persons to communicate with each other. So, how does SSH establish secure communication? This is a part of the TCP/IP protocol stack and has been in use since 1995. To avoid this possibility, there is something called a Secure Shell (SSH) protocol that allows users to establish a secure connection between two computers. In today’s digital world, remote access to resources is an integral part of our work life and also something that we take for granted.īut when you send confidential information such as your credentials over a public network like the Internet, someone can always intercept it.
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