Re: Intro Lesson Plan/Tutorial

["Plotnick, Neil via tcpdump-workers" <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
>
> From: "Plotnick, Neil" <nplotnick () everett k12 ma us>
>
> Date: Sat, 25 Apr 2020 10:53:07 -0400
>
> This lesson is part of a much larger curriculum on cybersecurity. I have
> written multiple lessons on using the CLI including ipconfig, ping, cat and
> other generic and network specific tools. Many of the utilities and
> concepts taught are mapped to the CompTIA Security+ certification exam.
>
> My school uses Project Lead the Way (PLTW) for many of our STEM courses.
> PLTW for cybersecurity relies primarily on virtual environments for Windows
> and Linux that are hosted by AWS. Having spent 15 years in IT (mostly with
> Novell Netware, Windows NT, OS/2, Macintosh), I really felt that the VMs
> can be valuable but are never as authentic as a real network would be. To
> that end, I have my students SSH into an Ubuntu Server from their Windows
> desktops using PuTTY or Chrome extensions. Some of my lessons focus on
> navigating the Linux directory structure, using Nano for simple file
> editing, BASH scripting and Python programming. As a one year survey
> course, there are a lot of topics that we cover.
>
> The impetus for writing this particular lesson was the PLTW unit on
> WireShark. TCPDUMP was a small part of the overall unit. When my students
> go through the PLTW lesson and report that they really don't understand
> what they were doing, I tend to write my own materials to flesh out their
> knowledge. Having worked in IT, I do have a strong appreciation for what
> skills they should be learning. PLTW has a lot of focus on WireShark and
> does not really do as good a job with CLI programs.
>
> In regards to broader topics with Linux, in the May issue of Linux Format
> (available now!) there is a secondary feature article on how I use Linux to
> teach computer science.
>
> Unfortunately, my students are all in sequestering mode with the Covid 19
> virus. I had hoped to teach them about nmap, TCP/IP ports and other things.
>
> I do appreciate your feedback and look forward to hearing how I can
> incorporate your experience and comments into my lessons.
>
> Neil Plotnick
> Everett HS
> PAEMST 2015 in Secondary Mathematics
>
> On Sat, Apr 25, 2020 at 5:42 AM Brenda J. Butler <bjb () sourcerer ca> wrote:
>
> > Those are a few simple things you can do with tcpdump, but it doesn't
> > really illuminate the network traffic much.
> >
> > Why are the students looking at the tcpdump output?
> >
> > There is no explanation of the network traffic - like what a packet is
> > made of (the headers, the payload), the different protocols, the types
> > of packets that implement the different protocols - etc.
> >
> > Then again, maybe you aren't going into that much depth.  But to me,
> > that is the point of tcpdump - to look at the traffic and to
> > understand it.  Sometimes with the ultimate goal of finding out what's
> > going wrong with the network.
> >
> > What do you want the students to get out of it?
> >
> > What do the students already know about Linux/Unix?  From the plan you
> > gave, they know "cat" (and now they know tcpdump) and have to be
> > taught how to stop a running process (ctl-c) and how to redirect
> > output to a file.
> >
> > I think it is good to use a program like tcpdump to introduce some
> > basics - but maybe a bit more emphasis on teaching shell things like
> > redirection and linux/unix concepts like processes will be a good
> > foundation for them to learn other things.
> >
> > And, you have put the synopsis on the page - but here is a chance to
> > introduce the man pages instead.
> >
> > Well those are my impressions - I hope this is useful for you.  I
> > think it's great that you want to teach the kids some command-line
> > tools : -)
> >
> > bjb
> >
> > On Thu, Mar 26, 2020 at 01:25:58PM -0400, Plotnick, Neil via
> > tcpdump-workers wrote:
> > > Date: Thu, 26 Mar 2020 13:26:55 -0400
> > > From: "Plotnick, Neil" <nplotnick () everett k12 ma us>
> > > Subject: Intro Lesson Plan/Tutorial
> > > To: tcpdump-workers () lists tcpdump org
> > >
> > > I have posted a tutorial designed for my introductory cybersecurity class
> > > at my high school. Any observations and suggestions are welcome.
> > >
> > > https://github.com/nplotnick/cyber/blob/master/TCPDump%20Tutorial.pdf
> > >
> > > --
> > > Neil Plotnick
> > > Everett High School
> > > 100 Elm Street
> > > Everett MA 02149
> > >
> > >  [image: paesmt_logo.JPG (367×259)]
> >
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>
> -- 
> Neil Plotnick
> Everett High School
> 100 Elm Street
> Everett MA 02149
>
>  [image: paesmt_logo.JPG (367×259)]
>
> --- End Message ---
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