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BlogPurpose of UDP mode in the Packet Generator Tool
The purpose of this tool is togive you a way to craft a UDP packet or set of UDP packets to send to a target, then observe the target's response with a packet capturing tool like Packet Capture or view the results of those packets attacks in the log files on the target. For example, you might alter a UDP packet with information that is not usually found in the packet in order to see the response of a program or firewall to the malformed packet.About crafting and sending UDP packets using the Packet Generator
The Packet Generator tool has a UDP mode that allows you to create and send one or more UDP packets to a target. You have full control over the header flags and the other fields within the UDP header. You can add a payload either in the form of text or of a file to the packet. This tool currently sends packets with IPv4 headers. IPv6 will be coming soon.
Scripted packet transmission can be used to send multiple different UDP packets.
Related Tool Links
Packet Generator
Important Notes about the Packet Generator
- This tool uses WinPcap to send packets. The network interface you use to send packets must be compatible with WinPcap. Best results are usually obtained from a wired ethernet interface or a 802.11 wireless interface.
- This tool does not send packets at a rate necessary to stress or otherwise saturate an interface. It is not a high speed Traffic Generator and it does not respond to packets coming back. Please consider the Packet Flooder Tool.
Packet Generator Tool Capabilities - UDP Mode
- Sends UDP Packets to the IPv4 address specified.
- Full header control for the UDP packet. You can specify most parameters in the header such as source and destination IPv4 address, packet length, packet types and checksums. The ethernet source and destination address can also be defined.
- Data Payloads can be added. The payload can be simple text or a file of your choosing. The length of the data payload is limited by the interface MTU and the packet type. We provide a Hex Editor to assist in creating or editing binary packet payloads.
- The packet size is limited to the MTU of your network, typically 1460 bytes for ethernet.
- Scripting. Simple scripting is provided so that you can send different types packets. Scripted packet transmission can be used to send packets with parameters changing according to your script.
UDP Send Mode
Capture of what was sent
A video of the Packet Generator tool sending UDP Packets
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