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Assign IP addresses who can initiate Telnet connection –.Where GeeksforGeeks is the password we have set. Or by using command asa(config)#passwd GeeksforGeeks If we want to change it, use the command. If we want to configure Telnet on ASA, 3 steps have to be followed.īy default, a login password is configured on ASA as “cisco”. The packets exchanged between the client and the server are in cleartext. It is used to remote access a device but it is less used as it is less secure. Telnet is an application layer protocol that uses TCP port number 23. In the same way, ASA (Adaptive Security Appliance) CLI access can take through a console or by using Telnet or SSH and GUI access can be taken through (ASDM-a tool). Prerequisite – Adaptive security appliance (ASA)Ī user can take management access of a device through a console or remote access by using telnet or SSH. Types of area networks - LAN, MAN and WAN.Network Devices (Hub, Repeater, Bridge, Switch, Router, Gateways and Brouter).Types of Network Address Translation (NAT).Introduction of Virtual Router Redundancy Protocol (VRRP) and its configuration.Hot Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP).TELNET and SSH on Adaptive Security Appliance (ASA).Port Address Translation (PAT) on Adaptive Security Appliance (ASA).Port Address Translation (PAT) mapping to Private IPs.Difference Between Network Address Translation (NAT) and Port Address Translation (PAT).