![]() The program is not illegal, but what you do with it will most likely be. He lies, wireshark will only observe traffic from your PC to the network, cannot see ISP traffic. It also annoys me a little that this misinformation comes from a “professor”. What do you mean by that illegal? What`s wrong with that? No, it is not illegal and cannot easily display ISP traffic outside the modem. “If you analyze the data here, about 5% of traffic goes to online banking sites.” is perfectly reasonable. ![]() But compiling statistics on data would not be. What could I do with it? * will cause you trouble, for example. ![]() Have you been to ? And this is your POST data? Sewing Looks like a username and password. This is what you do with the information obtained from the blocked traffic. You can certainly log network traffic (which may violate the policy of where you are), but it`s not illegal. It`s good to know and all, but the question is whether it`s illegal. Hubs forward all traffic to the network, and network adapters wait for packets that match their MAC. This is only true if your network is connected to hubs and not switches. There is nothing immoral about inspecting traffic on a network that you own and control. However, before using Wireshark on a network that you do not own, contact your system administrator. Luckily, my current employer`s IT department has a clue. Data packets are collected as they pass through a computer network.Īt my last employer, it was a crime to run any type of packet capture program that could put your network card in promiscuous mode. Sniffing attacks are data thefts committed by capturing network traffic with packet sniffers who can illegally access and read unencrypted data. Wireless is a bit more open because you can`t filter the destination (and therefore get a wireless map in promiscuous mode and can see other people`s Wi-Fi traffic), but still not a legal issue unless you act on the information. But modern switches only send you things that are meant for you. That said, it`s not illegal, and in all likelihood, you won`t even see anything meant for anyone else – older networks used fewer smart devices that sent packets and let client computers filter out what was meant for them (which could be bypassed with a network card that could operate in “promiscuous mode” that you could use to spy on your neighbors). ![]() It may violate the terms of use of a network. It is not illegal to intercept communications “that take place through an electronic communications system configured in such a way that such electronic communications are readily accessible to the general public”. I have a feeling that this cannot be true.ĭoes anyone know? Federal law makes it illegal to intercept electronic communications, but it contains an important exception. Finally, he told everyone that they should never use Wireshark on our personal computer because he would see all the traffic on the entire ISP service territory and we would be imprisoned. We then used WireShark to see traffic on the small network. He set up the classroom with computers, all connected to a base station, to build our own network. My AP computer science professor brought a professor from a local university. And it`s not illegal to use it on your own local network or on a network where you`ve been authorized to use it. You can`t see traffic outside of your cable modem or connection to your ISP. Using Wireshark is legal, but it can become illegal if cybersecurity professionals attempt to monitor a network they don`t have explicit permission to monitor.
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