Authentication system differ from a firewall in functioning, Computer Engineering

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How does an authentication system differ from a firewall in functioning?  

Authentication vs. firewall

User Authentication and Authorization

A significant advanced firewall security feature is user-oriented authentication, which is the ability to permit or deny certain connections based on user name and password combination or some other, more advanced identification scheme. Several authentication technologies are available.   The simplest forms needs typing a user name and a reusable password. 

 


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