sundry/ghetto/notes/NetworkSecurity/notes.txt
2016-11-15 18:14:38 -07:00

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Class on 11/15, 11/17 then break and resume on 12/1
Link to look at: https://app.box.com/s/8tso8h5kerhy83qipb4bujkpc4bj0eoq
Game plan:
11/15 Night 1: Grab docs, discussion on syllabus
11/17 Night 2: Basic networking and IP addressing
12/01 Night 3: Basic/Advanced networking, intro to hardware configuration (firewalls)
12/06 Night 4: Network security design (part 1) plus Operating Systems basics, possibly even web security
12/08 Night 5: Network security design (part 2) plus basics of IDS, IPS, HIDS
12/13 Night 6: Wrap up of all covered topics
11/15
Can't protect it, unless you understand how it moves.
discussion about how this meeting works at the networking layer:
Starts with discussion with the 7 layer OSI model (https://mplsnet.files.wordpress.com/2014/06/osi-model.gif)
Every layer of the OSI model adds its own header, Data layer also adds a footer.
Physical layer doesn't add any overhead because it's the bottom layer
Top 3 layers (application, presentation, session) are the data. In the TCP/IP model this is the application layer
Layer 4 (transport) are the segments, TCP/IP is also transport
Layer 3 (network) is the packets, TCP/IP is the Internet layer
Layer 2 (data link) is the frames and part of the TCP/IP Network Access layer
Layer 1 (physical) comprises the bits and is the other part of the TCP/IP Network Access layer
Homework:
Chapter 1 & 2 of CompTIA network+
Joke:
(q) You're being chased by a group of clowns, what do you do when you turn around to confront them?
(a) Go for the juggler