![]() Capture tcp packets from interface wlan0 going to 192.168.1.2 at port 80: ![]() Capture all the packets coming from or going to 192.168.1.1:Ĩ. Capture all the packets coming from 192.168.1.1:ħ. ![]() Capture all the packets from interface eth0 only and write it to dump.pcap:Ħ. Use and to connect two or more types of filtersĥ. Capture all udp packets with destination port 53 and write it to dump.pcap: You can use dst port and src port in place of port to specify the filter for destination and source port only.Ĥ. Capture all packets from port 8080 and write it to dump.pcap: You can also use udp in place of tcp to capture udp packetsģ. Capture only tcp packets and write it to dump.pcap: Capture everything coming to your machine and write it to dump.pcap:Ģ. Make sure that it is legal in your country.ġ. Again, a word of warning, before performing packet filtering, make sure that you do not run it in promiscuous mode and you have permissions from your employer or you run it in your own network, better if you could create your own network using virtual machines. Below are some examples which will help you to understand packet filtering better.
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