Network security techniques, Password and Authentication, VPN, IP Security, security in electronic transaction, Secure Socket Layer(SSL), Secure Shell (SSH), Introduction to Firewall, Packet filtering, Stateful, Application layer, Proxy. It seems like you are interested in learning about network security techniques. Network security is the process of protecting computer networks and data from unauthorized access, attacks, or risks. There are many methods and protocols that can be used to achieve network security, such as: - Password and Authentication: This is the method of verifying the identity and permission of a user who wants to access a network or a resource. Passwords are secret codes that only the authorized user knows, while authentication can also involve other factors, such as physical tokens, biometric features, or digital certificates¹. - VPN (Virtual Private Network): This is a technique of creating a secure and encrypted connection between two devices ov...
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