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January 12, 2023 22:19
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Send a packet using SharpPcap and PacketDotNet
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| #r "nuget: PacketDotNet" | |
| #r "nuget: SharpPcap" | |
| open PacketDotNet | |
| open SharpPcap | |
| open System.Net.NetworkInformation | |
| open System.Net | |
| open System.IO | |
| let deviceName = "eth0" | |
| let device = CaptureDeviceList.Instance |> Seq.find (fun d -> d.Name = deviceName) | |
| device.Open() | |
| let udp = UdpPacket(0us, 1812us, PayloadData = [| 0uy |]) | |
| let ip = | |
| IPv4Packet(IPAddress.Any, IPAddress.Parse "51.136.117.171", PayloadPacket = udp) | |
| let eth = | |
| EthernetPacket(device.MacAddress, PhysicalAddress.Parse "FF-FF-FF-FF-FF-FF", EthernetType.IPv4, PayloadPacket = ip) | |
| ip.UpdateIPChecksum() | |
| device.SendPacket eth |
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This will not send to loopback
lo"FF-FF-FF-FF-FF-FF"is the magic that made this work, so don't change it