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content/notes/cosc203-lab20.md
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@ -24,4 +24,31 @@ tags:
![](https://i.imgur.com/In1iX3w.png)
4. the source port of the first message is the destination port of the second and the destination port of the first is the destination port of the second
5.
![](https://i.imgur.com/V4GKJA5.png)
5. source port 61958, ip 10.112.120.171,
6. cosc ip is 10.66.8.42, using port 80
7. syn
1. seq number: 0 ![](https://i.imgur.com/8yF20dZ.png)
2. idetified by the syn flag ![](https://i.imgur.com/rkw0BMu.png)
8. syn ack
1. seq num: 0 ![](https://i.imgur.com/5sdwweq.png)
2. value of ack field: 1 ![](https://i.imgur.com/mrvWNks.png)
3. how did cosc get this value? not sure
4. identified by flag field ![](https://i.imgur.com/WJmm8Ra.png)
9. get [](https://i.imgur.com/LZOuVK9.png)
1. seq num: 1
10. ack segments
1. rtt average 4ms
2. numbers
1.