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Cisco calls its firewall Adaptive Security Appliance (ASA).Ĭisco ASA 5505, Cisco ASA 5510, Cisco ASA 5515-X, Cisco ASA 5520, Cisco ASA 5525-X, Cisco ASA 5540, Cisco ASA 5550, Cisco ASA 5555-X, Cisco ASA 5585-X.ĪSA is a Cisco security device that can perform basic firewall capabilities with VPN capabilities, antivirus, and many other features. Network Devices (Hub, Repeater, Bridge, Switch, Router, Gateways and Brouter)Ī firewall is a network security system that takes actions on the ingoing or outgoing packets based on the defined rules on the basis of IP address, port numbers.Difference between File Transfer Protocol (FTP) and Secure File Transfer Protocol (SFTP).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).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).Adaptive security appliance (ASA) features.Basic configuration of Adaptive Security Appliance (ASA).ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.