Review Results - PreLab Good Improvements + everything important covered - too short + VyOS: commands of VyOS asked – so both - add intorduction to the tool 'bridge-utils' team partners had to read the manual + interesting - some minor mistakes in a question + good multiple choice questions + good structured 2
Review Results - Lab Good Improvements + nice Story, could be a bit more integrated - little more hand holding at some points (more VyOS conf examples) + good use of islet (5 out of 6 PCs), both team - Split Lab into smaller parts (some pages are partners had something to do way too full) + realistic setup - Both partners have something to do, but doe not interact a lot with each other + interesting, challenging questions - abstarct hasn't been filled + good overview of the Topic, but not too complex 3
Review Results - Improvements ● Shorten the Lab by providing some more configuration ● Structuring the Lab (use Collections of Virt. Pages) ● Adding some questions in the Lab to make the team members communicate a bit more ● Add questions/tool description to the PreLab ● Of Course: Fixing all the other minor issues Thanks Team 209 for this great and helpful feedback ! :) 4
Order of Presentations Team Topic 212 Distributed file systems 209 OpenSSH: More than a remote shell 207 Firewall Operating Systems: VyOs and IPFire 208 Tor vs GFW of China 204 DNS-tunneling 201 Routing Policies & Tra ffi c Shaping 206 SIP - call me maybe 210 TCP/IP Vulnerabilities 203 Multipath TCP 202 The Quest of The Mailserver - The One Server to Spam Them All!
create your own exercise Jakob Traxler, Albert Stark Tor vs Great Firewall of China 1
Recap Lab’s Learning Goals The Following Learning Goals are Covered Lectu PreLa Lab in the re b Understand TOR X X Con$gure TOR on a PC (X) Understand the network properties X X X Build a censorship infrastructure X (X) Break free! (X) X 2
Course of Your Lab • We build the GFC 3
Your Review Experience I • As Reviewed T eam – T echnical di4culties with our setup • Viewing the questions from an outside look • Bug in the setup script 4
Highlights of Your Lab • Very interesting T opic • T arget-oriented PreLab with good background • Real-Life example with programming task 5
Things you Plan to Improve • Giving a more technical orientated insight • Further guide the active probing implementation – Split the imeplentation up in multiple smaller parts – Give code examples of what to use This information is for the next pages... This information is for the next pages... 6
Points to Improve: Lecture 1. More technical insight into our Lab 2. Further explanaition what we expect from you in the Lab 3. Insure readability 7
Points to Improve: PreLab 1. More technical insight into our Lab 2. Further explanaition what we expect from you in the Lab 3. Insure readability 8
Points to Improve: Lab 1. Split the imeplentation up in multiple smaller parts, wich are then assembled 2. Give code examples of what to use 3. Link to the prelab where neccesary 4. Improve reliablity of setup 9
Your Review Experience II As Reviewer of Wang Yang Ye, Lorenz Stadler Distributed File Systems – Nice and clean setup • Using the DFS in a real life setup • A bit uncertainty how to correctly answer the questions and what approach to choose 10
Order of Presentations Team Topic 212 Distributed file systems 209 OpenSSH: More than a remote shell 207 Firewall Operating Systems: VyOs and IPFire 208 Tor vs GFW of China 204 DNS-tunneling 201 Routing Policies & Tra ffi c Shaping 206 SIP - call me maybe 210 TCP/IP Vulnerabilities 203 Multipath TCP 202 The Quest of The Mailserver - The One Server to Spam Them All!
iLab2 - Your own exercise Feedback for DNS tunneling Sven Hertle, Felix Hartmond, 204
Course Of Our Lab PreLab and Lab
Highlights Of Our Lab Team 212 liked most Interesting prelab with pictures to visualize the content Topic and story Interaction between team partners
Things We Want To Improve 1 Lecture Make teaser image better readable
Things We Want To Improve 2 PreLab Link RFCs and Wikipedia Shortly explain connection tracking in iptables Fix typos
Things We Want To Improve 3 Lab Make some hints more visible Give a better template for the iptables ruleset Fix last iptables rule so that specific DNS resource record type is really blocked
you set the focus “Break” The iLab Experience a blended learning hands-on course concept
Lab Time
DIY Hardware System Orchestration Smart Space App DIY Hardware Arduino 2pace Smart Device Distributed Smart DIY Software DS2OS 2016 time
More Feedback from YOU?
DIY Software System Orchestration Smart Space App DIY Hardware Arduino host 5 2pace Smart Device Distributed Smart DIY Software DS2OS 2016 time
More Feedback from YOU?
Continuous Feedback Sheet for VSL Usability Evaluation
You make it interesting… Flickr:nist6dh
Order of Presentations Team Topic 212 Distributed file systems 209 OpenSSH: More than a remote shell 207 Firewall Operating Systems: VyOs and IPFire 208 Tor vs GFW of China 204 DNS-tunneling 201 Routing Policies & Tra ffi c Shaping 206 SIP - call me maybe 210 TCP/IP Vulnerabilities 203 Multipath TCP 202 The Quest of The Mailserver - The One Server to Spam Them All!
iLab2 - Your own exercise Feedback for Routing Policies & Tra ffi c Shaping and SIP – call me maybe Team 201: Moritz Sichert, Lars W¨ ustrich
As Reviewed Team - Highlights The good It was nice to see how others approached our tasks. Just by watching we noticed things that we could improve. The bad Not being able to give hints when the reviewing team took a wrong path.
Learning Goals Reminder The following learning goals are covered in the Lecture PreLab Lab Understand what Routing Policies are x x Understand why Tra ffi c Shaping is useful x x Principles of the Linux tool tc x x x Set up Routing Policies x Set up Tra ffi c Shaping x
Course Of Our Lab Our Lab
Highlights Of Our Lab Team 204 liked most The setup description and script The story The Lab and the topic in general
Things We Want To Improve 1 Lecture Longer lecture (if we had more time)
Things We Want To Improve 2 PreLab Clarify routing tables, entries, and rules More questions for the first part Improve images
Things We Want To Improve 3 Lab Improve image of setup More question about the concepts Eliminate remaining uncertainties
Reviewing Team 206 - Highlights The good It was an interesting and refreshing topic It was fun to play around with the VoIP software The bad Having to answer questions about RFCs We missed the story
Order of Presentations Team Topic 212 Distributed file systems 209 OpenSSH: More than a remote shell 207 Firewall Operating Systems: VyOs and IPFire 208 Tor vs GFW of China 204 DNS-tunneling 201 Routing Policies & Tra ffi c Shaping 206 SIP - call me maybe 210 TCP/IP Vulnerabilities 203 Multipath TCP 202 The Quest of The Mailserver - The One Server to Spam Them All!
SIP – call me maybe team 206 (fk, hs)
Recap Lab’s Learning Goals Lecture even more motivation SIP – a short introduction PreLab recap lecture content RTFM Lab use the headsets build telephony infrastructure wiretapping
Course of the Lab . . . loading wepage, please wait . . .
Review Experience I highlights when being reviewed positive: vibes negative: not everything worked as planed highlights mentioned by reviewer: “. . . setup was easy . . . ”
Plan to Improve language (remove typos,. . . ) be more precise PreLab: e.g. which part of the linked RFC is relevant Lab: clearer instructions (where, what without how) adapt focus: PreLab: reduce parts not relevant for the Lab Lab: simplify the asterisk section (where to change things)
Review Experience II as a reviewer: positive: good ideas for the Lab negative: not enough time to implement them
This is the title. Figure 1: Did you read the title?
Order of Presentations Team Topic 212 Distributed file systems 209 OpenSSH: More than a remote shell 207 Firewall Operating Systems: VyOs and IPFire 208 Tor vs GFW of China 204 DNS-tunneling 201 Routing Policies & Tra ffi c Shaping 206 SIP - call me maybe 210 TCP/IP Vulnerabilities 203 Multipath TCP 202 The Quest of The Mailserver - The One Server to Spam Them All!
create your own exercise Sigl, Reitmayer TCP/IP Vulnerabilites 1
Our lab 2
Review Experience I • As Reviewed Team – Highlights: • observing people think about the problems you constructed – Other Experience: • feeling of being a distrustful supervisor • urge to help 3
Highlights of the Lab • background story • high level of freedom (setup, tools) • new/ alternative tools (e.g. tcpdump instead of wireshark) 4
Points to Improve: Lecture 1. make the lecture more interesting (pictures, more background information) 2. annihilate some mistakes and inaccuracies 5
Points to Improve: PreLab 1. improve layout issues 2. add lecture slides 3. include some important topics 4. add additional sources 6
Points to Improve: Lab 1. presicer questions 2. add lecture slides 3. rearranging some of the questions between the sections 7
Review Experience II • Huber/Kurtz OpenSSH: More than a remote shell Experience: • direct, non-verbal reaction • goal: teaching OpenSSH • helpful and immediate handling of minor mistakes 8
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