GitHub/quartz
1
0
Fork 2
mirror of https://github.com/jackyzha0/quartz.git synced 2025-12-27 23:04:05 -06:00
Code Issues Actions Packages Projects Releases Wiki Activity

vault backup: 2022-09-22 22:05:33

Browse Source
This commit is contained in:
Jet Hughes 2022-09-22 22:05:33 +12:00
parent 77f15f9208
commit 4e8ead356b
3 changed files with 63 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
content/notes/cosc-203.md
View File

@ -21,7 +21,7 @@ tags:
- [cosc203-lab16](notes/cosc203-lab16.md) - [cosc203-lab16](notes/cosc203-lab16.md)
- [cosc203-lab17](notes/cosc203-lab17.md) - [cosc203-lab17](notes/cosc203-lab17.md)
- [cosc203-lab18](notes/cosc203-lab18.md) - [cosc203-lab18](notes/cosc203-lab18.md)
- - [cosc203-lab19](notes/cosc203-lab19.md)
# Notes # Notes
[dns](notes/dns.md) [dns](notes/dns.md)

51
content/notes/cosc203-lab19.md Normal file
View File

@ -0,0 +1,51 @@
---
title: "cosc203-lab19"
aliases:
tags:
- cosc203
- lab
---
1. DNS request protocol is UDP
![](https://i.imgur.com/dSOSdRK.png)
2. The ports of the DNS queries are:
1. dest of query: 53 ![](https://i.imgur.com/FoAwUQV.png)
2. source of response: 53 ![](https://i.imgur.com/knH3W2I.png)
3. There were 12 dns queries. They were all type A![](https://i.imgur.com/nFGVbI7.png) ![](https://i.imgur.com/uKkUuFG.png)
4. Anwers within responses
1. 2 answers ![](https://i.imgur.com/plLag5j.png)
2. 3 ![](https://i.imgur.com/5AKS2tn.png)
3. 1 ![](https://i.imgur.com/srCM9oq.png)
4. 1 ![](https://i.imgur.com/lALFEjL.png)
5. 7 ![](https://i.imgur.com/OXFBaOy.png)
6. 6 ![](https://i.imgur.com/MHOIR2B.png)
5. dns responses after nslookup on www.otago.ac.nz
1. ![](https://i.imgur.com/PRKiVlq.png)
2. ![](https://i.imgur.com/d1P36MI.png)
3. ![](https://i.imgur.com/drMqoQG.png)
4. ![](https://i.imgur.com/gprPSoO.png)
5. ![](https://i.imgur.com/u3Imagz.png)
6. ![](https://i.imgur.com/M1ZFhwF.png)
7. ![](https://i.imgur.com/bgVmCub.png)
8. ![](https://i.imgur.com/eiHDN1m.png)
9. ![](https://i.imgur.com/7A5aHYe.png)
6. destination is 10.64.0.112. this is one of my local dns servers ![](https://i.imgur.com/lz8MBcI.png) ![](https://i.imgur.com/xIaz0vH.png)
7. name servers are
1. ![](https://i.imgur.com/EQqLyDa.png)
2. ![](https://i.imgur.com/Xq4FHUr.png)
3. ![](https://i.imgur.com/v2gcibe.png)
8. nslookup google
1. 7 queries
2. 10.64.0.112 (local dns server) and 216.239.34.10 (the address of the google ns2 nameserver)
9. only one answer (two of the requests were refused and has no answer). each one contains a dns record
10.

52
content/notes/cosc203-lab20.md
View File

@ -2,49 +2,19 @@
title: "cosc203-lab20" title: "cosc203-lab20"
aliases: aliases:
tags: tags:
- cosc203
- lab - lab
- cosc203
--- ---
1. DNS request protocol is UDP ![](https://i.imgur.com/EnNd94C.png)
![](https://i.imgur.com/dSOSdRK.png) 1. header
1. 4 fields
2. The ports of the DNS queries are: 1. source port
1. dest of query: 53 ![](https://i.imgur.com/FoAwUQV.png) 2. dest port
2. source of response: 53 ![](https://i.imgur.com/knH3W2I.png) 3. length
4. checksum
3. There were 12 dns queries. They were all type A![](https://i.imgur.com/nFGVbI7.png) ![](https://i.imgur.com/uKkUuFG.png) 2. each field is 2 bytes
![100](https://i.imgur.com/dzMuJWY.png)
4. Anwers within responses
1. 2 answers ![](https://i.imgur.com/plLag5j.png)
2. 3 ![](https://i.imgur.com/5AKS2tn.png)
3. 1 ![](https://i.imgur.com/srCM9oq.png)
4. 1 ![](https://i.imgur.com/lALFEjL.png)
5. 7 ![](https://i.imgur.com/OXFBaOy.png)
6. 6 ![](https://i.imgur.com/MHOIR2B.png)
5. dns responses after nslookup on www.otago.ac.nz
1. ![](https://i.imgur.com/PRKiVlq.png)
2. ![](https://i.imgur.com/d1P36MI.png)
3. ![](https://i.imgur.com/drMqoQG.png)
4. ![](https://i.imgur.com/gprPSoO.png)
5. ![](https://i.imgur.com/u3Imagz.png)
6. ![](https://i.imgur.com/M1ZFhwF.png)
7. ![](https://i.imgur.com/bgVmCub.png)
8. ![](https://i.imgur.com/eiHDN1m.png)
9. ![](https://i.imgur.com/7A5aHYe.png)
6. destination is 10.64.0.112. this is one of my local dns servers ![](https://i.imgur.com/lz8MBcI.png) ![](https://i.imgur.com/xIaz0vH.png)
7. name servers are
1. ![](https://i.imgur.com/EQqLyDa.png)
2. ![](https://i.imgur.com/Xq4FHUr.png)
3. ![](https://i.imgur.com/v2gcibe.png)
8. nslookup google
1. 7 queries
2. 10.64.0.112 (local dns server) and 216.239.34.10 (the address of the google ns2 nameserver)
9. only one answer
2. payload is 980 bytes