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content/notes/cosc203-lab20.md
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@ -24,4 +24,31 @@ tags:
![](https://i.imgur.com/In1iX3w.png) ![](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 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.