RSSAll Entries in the "Security General" Category

How to configure all passwords to secure Cisco Router

Fallow below steps to configure the passwords on New Router or If you want to verify that you have properly configured passwords on your existing Cisco Router. Passwords are used to restrict access to a Cisco Router. You can set the separate passwords for different modes like to the virtual terminal lines, console line and privileged EXEC mode etc. This post will provide the information to set up Cisco Router password to virtual terminal lines, console lines and privileged mode etc. You will also learn how to encrypt the passwords. Types of Cisco Router Passwords When it comes to basic password security, there are three basic types: Line Passwords(Console, Vty, Aux) Privileged mode Passwords (enable mode) Username Passwords (optional) Configure Cisco Router Line Passwords Line passwords are configured on Router lines. Examples of lines are: There are two commands used to configure line passwords, no matter what kind of line you […]

How to enable SSH on a Cisco Router for Security

SSH stands for SecureSHell. SSH is a secure way of connecting to a router or Switch. Telnet connections are not secure,  It sent  passwords  in plain text and the data sent via telnet can be read by a packet sniffer and decode it. We should avoid using telnet at all the times. we can easily enable SSH on Cisco Routers or Switches, Unlike Telnet (TCP port 23), SSH (TCP port 22) sets up a secure channel before usernames, passwords, and data are sent across the connection. You have to install SSH client software in your PC to connect the Router. The Cisco IOS can offers both an SSH server and an SSH client. So you can connect to your router’s SSH server from an SSH client, or you can connect your router’s  SSH client to another device that has an SSH server. NOTE: This should work on any Cisco Router […]