---
title: "cosc203-lab18"
aliases: 
tags: 
- lab
- cosc203
---

1. http 1.1 ![](https://i.imgur.com/pvla1cl.png) 
2. does not say
3. 200 ![](https://i.imgur.com/bZlHaUQ.png)
4. does not say
5. 775 ![](https://i.imgur.com/y5MjniB.png)
6. conversation completeness ![](https://i.imgur.com/H1DZKw3.png)

7. no if-modified-since. yes it returned the contents of the file
8. . nothing following it. status code is 304 not modified. did not return the contents of the file ![](https://i.imgur.com/UCRXQwt.png)


9. only one GET request packet no.412 ![](https://i.imgur.com/QrBb4Ma.png)
10. packet 443 has response ![](https://i.imgur.com/jp0sCcw.png)
11. 20 tcp packets


12. 3 GET requesests ![](https://i.imgur.com/1wm8jmQ.png)
13. in parallel. The reqest for the second image was sent before the response for the first image was recieved


14. 401 unauthorized ![](https://i.imgur.com/OYp3ewd.png)
15. the new field is: authentication ![](https://i.imgur.com/mP7RG8w.png)