This will help you see how important using HTTPS websites, and encryption is.If you find yourself troubleshooting network issues, and you have to inspect individual packets, you need to use Wireshark. With Wireshark running, follow along with me in this vTutorial on how to see and sniff traffic. Step 2 Sniff Packets for Sensitive Information It can analyze most forms of traffic and has a quick, clean graphical user interface. Wireshark is a complete internet protocol analyzing suite. Linux users must enter text in bold as a terminal command. Windows users follow a simple point and click install. Windows (with a USB wireless interface capable of packet sniffing), or GNU/Linux.We are going to be using a packet sniffer to collect information from when we browse the internet. This means that the data can be analyzed in hexadecimal, which will reveal any senstive information that was transmitted, such as messages or login credentials. This forces the networking interface to recieve all packets it sees, effectively "sniffing" all of the packets. Open source geeks like myself use open source networking drivers, which allows our interfaces to be switched into promiscuous mode. However, your network interface will only receive and read packets that contain your host IP address. This means that whatever you send over the network can be read by anyone.
Normally, network traffic is transmitted in plaintext. But I've come to realize a lot of you still have no idea why this is so important, so let's go over why. You'll hear me say, "encrypt this" or, "use SSL" on a regular basis.
Here at Null Byte, we've spoken a lot about securing and anonymizing traffic.
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