Table of Contents
- 1 Why can you sniff packets on ethernet?
- 2 What frequencies does cable Internet use?
- 3 Does SSL prevent packet sniffing?
- 4 Is packet sniffing bad?
- 5 Do modems store information?
- 6 What does a modem do vs a router?
- 7 What is network sniffing and how to do it?
- 8 Do I need Two network interfaces on my sniffer PC?
Why can you sniff packets on ethernet?
For instance ARP packets (where one computer is asking for the ethernet address of another computer specified by IP) get broadcast to all ethernet addresses and therefore can get sniffed. Generally speaking man-in-the-middle requires someone in the connection chain to be compromised.
What frequencies does cable Internet use?
A common frequency range for downstream channels (or your download speed) is between 54 MHz to as high as 1000 MHz. For upstream channels (or your upload speeds) the range is 5 MHz to 42 MHz.
How does a CMTS work?
When a CMTS receives signals from a cable modem, it converts these signals into Internet Protocol (IP) packets, which are then sent to an IP router for transmission across the Internet. When a CMTS sends signals to a cable modem, it modulates the downstream signals for tranmission across the cable to the cable modem.
How does an RF modem work?
Radio modems transmit serial data as radio waves in a specific frequency according to a defined radio technique. This digital data is encoded prior to transmission, and then decoded prior to receipt. Once decoded, the serial data is provided to the connected device.
Does SSL prevent packet sniffing?
How to prevent packet sniffing. One way to protect your network traffic from being sniffed is to encrypt it using a Secure Sockets Layer (SSL) or Transport Layer Security (TLS).
Is packet sniffing bad?
The bad of it. Packet sniffers aren’t not reading our data for laughs, like some busybody who reads someone’s personal diary for the thrill of it. They steal passwords, account numbers, Social Security Numbers and more. They’re out to do steal money or ruin an organization’s or individual’s reputation.
Is a cable modem a router?
A cable modem router (sometimes called a gateway) connects to the Internet and distributes the internet connection to multiple devices (like a router does). It comes down to your preference for your home network setup. A combo cable modem router can serve you well.
Does Cable Internet use CMTS?
A cable modem termination system (CMTS) is a piece of equipment, typically located in a cable company’s headend or hubsite, which is used to provide high speed data services, such as cable Internet or Voice over Internet Protocol, to cable subscribers.
Do modems store information?
No, in fact your modem (or other access device) has a tiny amount of nonvolatile storage available for its own configuration and an even tinier amount of RAM to run it’s operating system and all functions. All your traffic passes through your modem, ONT, etc but it doesn’t store any of it.
What does a modem do vs a router?
Your modem is a box that connects your home network to the wider Internet. A router is a box that lets all of your wired and wireless devices use that Internet connection at once and also allows them to talk to one another without having to do so over the Internet.
Can Wireshark sniff network traffic?
Being able to capture network traffic reliably is, however, essential in order to perform network traffic analysis or network forensics, which is why I decided to write this sniffing tutorial. Many “n00bs” fire up Wireshark on their own PC expecting to be able to sniff all traffic passing through an Ethernet network .
What is packet sniffing?
Packet Sniffing is the process of monitoring every packet that is passing through a network. Packet Sniffers will help the network administrators to monitor their network and get the insights on that.
What is network sniffing and how to do it?
Network Sniffers are used in various use cases like managing bandwidth, increasing efficiencies, ensuring delivery of business services, enhancing security, etc. SolarWinds Network Packet Sniffer, Wireshark, PRTG Network Monitor, ManageEngine NetFlow Analyzer, TCPdump, and WinDump are our top recommended network sniffing tools.
Do I need Two network interfaces on my sniffer PC?
This way you don’t need two network interfaces on your sniffer PC. Both major tap vendors Net Optics and VSS Monitoring sell aggregation taps. A downside of using a network tap compared to configuring a monitor port is that there will be a short downtime on the network while connecting and disconnecting the tap.