29 lines
801 B
Markdown
29 lines
801 B
Markdown
# Homework 2 - tcpdump
|
|
|
|
For each TCP dump below, I will show the command used, and the output of 10 packets
|
|
|
|
## tcpdump to capture only DNS packets
|
|
|
|
### Command
|
|
```bash
|
|
sudo tcpdump -c 10 -tt -XX -v -i any 'tcp port 53 or udp port 53'
|
|
```
|
|
### Result
|
|
[t1.md](t1.md)
|
|
## tcpdump to capture TCP packets destined for either port 443 or 8080, originating from my computer
|
|
|
|
### Command
|
|
```bash
|
|
sudo tcpdump -c 10 -tt -XX -v -i any 'tcp and src host 10.0.2.15 and (dst port 443 or dst port 8080)'
|
|
```
|
|
### Result
|
|
[t2.md](t2.md)
|
|
|
|
## tcpdump capture where traffic is either UDP or TCP, inbound to my computer, and destined to a port in range 20000 to 35000
|
|
|
|
### Command
|
|
```bash
|
|
sudo tcpdump -c 10 -tt -XX -v -i any 'dst host 10.0.2.15 and (tcp or udp) and dst portrange 20000-35000'
|
|
```
|
|
### Result
|
|
[t3.md](t3.md) |