Google drive link to the required documents:
https://drive.google.com/drive/folders/14a1ABMN1qOsdZvQh6bx43mnUg_-1i1ab?usp=sharing
Homework 2.1: A horizontal port scan
In your tarball you’ll find horizontal.pcap and part1.txt. Edit part1.txt to answer the questions, keeping in mind the format requirements below. Then submit your edited version of the part1.txt file without any compression or anything like that. Don’t change the name of the file.
Homework 2.2: A vertical port scan
In your tarball you’ll find vertical.pcap and part2.txt. Edit part2.txt to answer the questions, keeping in mind the format requirements below. Then submit your edited version of the part2.txt file without any compression or anything like that. Don’t change the name of the file.
Note: Review “Partial Answer for HW 2.2.JPG” in the google drive above.
Homework 2.3: A TCP/IP side channel
In your tarball you’ll find sidechannel.pcap and part3.txt. Edit part3.txt to answer the questions, keeping in mind the format requirements below. Then submit your edited version of the part3.txt file without any compression or anything like that. Don’t change the name of the file.
Format of the text file you’ll upload
It’s very important that you preserve the format of the text file you submit for each part. We recommend simply editing part1.txt for Homework 2.1, part2.txt for Homework 2.2, and part3.txt for Homework 2.3 and submitting that, with the questions still intact. You can delete lines that start with #, or add lines that start with # for your own comments if you really want to. The automatic grader will ignore all lines that begin with #. However, if you leave the questions in place it will make manual grading easier if that should become necessary for some reason.
The lines that don’t begin with # are your answers. Every answer should be a single line with no whitespace (the grader will remove all whitespace before doing a string comparison, but if your answer has whitespace in it it’s probably not the right answer). You should edit the lines that don’t begin with # to put the answer there, there should be no lines in the file that are not answers or comments/questions (comments and homework questions begin with #).
There are only three kinds of answers:
- IP addresses, where you will replace N.N.N.N with a valid IPv4 address, such as 98.45.6.31
- MAC/hardware addresses, where you will replace HH:HH:HH:HH:HH:HH with a valid MAC/hardware address, like a4:50:4e:99:2d:55
- Other numbers, which contain only decimal digits and dots. For these you’ll replace N with something like 1832 or 4.1.61
How to submit
You’ll need to submit through this form at least three times (resubmissions are okay, but will be graded according to the deadlines). You’ll submit all three parts through the same form, at three different times. The grading script will apply the deadline for each part.
Rememeber, do not change the name of the file you submit your answers with. If the filename does not contain the string “part1” for Homework 2.1 then it will be thrown out and not graded, and the same is true for “part2” and “part3” for Homeworks 2.2 and 2.3, respectively.
How to check your answers
For any of the parts, if you answer all questions correctly then you should be able to match one of these SHA-256 sums. If you suspect an extra newline or something is messing up the hash, then try running this script based on this example.
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