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==SSH==
==SSH==
'''Secure Shell''' (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. The best known example application is for remote login to computer systems by users. The login process is different for different operating systems. Therefore, this section is split into two part: '''Linux''' and '''Windows'''.
===Linux===
===Linux===
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Linux operating systems support many applications that can be used to log in to a RUT router via SSH, but the most common one is '''Terminal''', which we'll be using for this example.
* Open a new Terminal window, type '''ssh [email protected]''' and press "Enter". If this is your first time logging in, you might be asked to clarify whether you really want to log in. In that case, just type '''yes''' and press "Enter". Then type in the router's admin password and press "Enter" to finish the log in process:
[[File:Ssh linux login.png]]
After this you should be greeted with a window such as the one depicted in the figure above.
===Windows===
===Windows===
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To log in to a RUT router via SSH using a Windows OS you will need an SSH client application. The most common is '''PuTTY''' - free, open source SSH and Telnet client, which we'll be using for this example. You can download PuTTY from '''[https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html here]'''.
==Telnet==
==Telnet==
