< All CompTIA Security+ Notes

TONY | CompTIA Security+ | Module 1

By: TONY | Related Course: CompTIA Security+ | Published: September 8, 2016 | Modified: September 8, 2016
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NotepadNETWORK ADDRESS TRANSLATION

advantages of network address translation (NAT)

1. multiple addresses can share 1 public address

2.caching: information received from computer is saved, should computer b request for same information it need not go to the internet but readily provides the data

3. security- bad guys dont see your unternal ips only that of the proxy


NotepadNetwork security

Firewalls – network traffic filtering, in and out of our network

It is also a first line of defense, it inspects incoming traffic and outgoing traffic

Types of Firewall

1. Packet Inspection, Application filtering, stateful

 

Routers: used to forward network packets based on ip addresses 

switches: used to facilitate packet delivery based on MAC addresses

 


NotepadVPN

VPN : used to facilitate external connection to your internal network


< All CompTIA Security+ Notes
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