Wireless SecurityAddendum to Security+

Following is an addendum to a CompTIA Security+ slideset created by

Daryl B. HeimFull time CompTIA A+ / Network+ / Security+

Contract Certification Trainerdarylheim@gmail.com

* Designed for use during instructor-led, interactive presentations

ISP

I’m on cameraso I better stayoff the couch!

ISP

ISP

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

Router implementing

PAT

=

ISP

Port Forwarding vs Triggering

http://publicIP:1111

SOCKET

ISP

Port Forwarding vs Triggering

http://publicIP:1112

SOCKET

ISP

Port Forwarding vs Triggering

http://publicIP:1112

SOCKETGaming

computer

Port Forwarding

Port Triggering

ISP

Proxy Server implementing NAT in DMZ

Internal External

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

=

xxx.xxx.xxx.xxxxxx.xxx.xxx.xxx =xxx.xxx.xxx.xxxxxx.xxx.xxx.xxx =xxx.xxx.xxx.xxxxxx.xxx.xxx.xxx =

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx

xxx.xxx.xxx.xxx Pool

How your computer turns a URL into an internet host address

DNS Namespace

ISP

Proxy Server implementing NAT in DMZ

System checks it’s own host name

System checks it’s resolver cache

System checks a proxy (if configured)

System checks it’s HOSTS file (static text)

System checks DNS servers

Defaults

Physical Encryption

Other