Databases
StackOverflow2013
Postsdbo
POC# Pcap.Net Send TCP, HTTP Packet not work
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POC# Pcap.Net Send TCP, HTTP Packet not work
    primarykey
    data
    text
    <p>I will using Pcap.Net 0.10.0 (67076) for send TCP or HTTP packet but not work, only work with UDP Packet?? I can see UDP Packet showing in TCPViewer but now show with TCP or HTTP packet.</p> <p>I using windows 7 64bit but i really build application x86 platform.</p> <p>Here is my code. </p> <pre><code>using System; using System.Collections.Generic; using System.Linq; using PcapDotNet.Base; using PcapDotNet.Core; using PcapDotNet.Packets; using PcapDotNet.Packets.Arp; using PcapDotNet.Packets.Dns; using PcapDotNet.Packets.Ethernet; using PcapDotNet.Packets.Gre; using PcapDotNet.Packets.Http; using PcapDotNet.Packets.Icmp; using PcapDotNet.Packets.Igmp; using PcapDotNet.Packets.IpV4; using PcapDotNet.Packets.Transport; using System.Text; namespace PcapTest { class Program { static void Main(string[] args) { // Retrieve the device list from the local machine IList&lt;LivePacketDevice&gt; allDevices = LivePacketDevice.AllLocalMachine; if (allDevices.Count == 0) { Console.WriteLine("No interfaces found! Make sure WinPcap is installed."); return; } // Print the list for (int i = 0; i != allDevices.Count; ++i) { LivePacketDevice device = allDevices[i]; Console.Write(String.Format("{0}. {1}", (i + 1), device.Name)); Console.WriteLine(device.Description != null ? String.Format(" ({0})", device.Description) : " (No description available)"); } int deviceIndex = 0; do { Console.WriteLine(String.Format("Enter the interface number (1-{0}):", allDevices.Count)); string deviceIndexString = Console.ReadLine(); if (!int.TryParse(deviceIndexString, out deviceIndex) || deviceIndex &lt; 1 || deviceIndex &gt; allDevices.Count) { deviceIndex = 0; } } while (deviceIndex == 0); // Take the selected adapter PacketDevice selectedDevice = allDevices[deviceIndex - 1]; // Open the output device using (PacketCommunicator communicator = selectedDevice.Open(69559, PacketDeviceOpenAttributes.Promiscuous, 1000)) // read timeout { communicator.SendPacket(BuildHttpPacket()); } Console.ReadKey(); } private static Packet BuildHttpPacket() { EthernetLayer ethernetLayer = new EthernetLayer { Source = new MacAddress("01:01:01:01:01:01"), Destination = new MacAddress("02:02:02:02:02:02"), EtherType = EthernetType.None, // Will be filled automatically. }; IpV4Layer ipV4Layer = new IpV4Layer { Source = new IpV4Address("99.99.99.99"), CurrentDestination = new IpV4Address("111.90.147.168"), Fragmentation = IpV4Fragmentation.None, HeaderChecksum = null, // Will be filled automatically. Identification = 123, Options = IpV4Options.None, Protocol = null, // Will be filled automatically. Ttl = 100, TypeOfService = 0, }; TcpLayer tcpLayer = new TcpLayer { SourcePort = 4050, DestinationPort = 80, Checksum = null, // Will be filled automatically. SequenceNumber = 100, AcknowledgmentNumber = 50, ControlBits = TcpControlBits.Acknowledgment, Window = 100, UrgentPointer = 0, Options = TcpOptions.None, }; HttpRequestLayer httpLayer = new HttpRequestLayer { Version = HttpVersion.Version11, Header = new HttpHeader(new HttpContentLengthField(11)), Body = new Datagram(Encoding.ASCII.GetBytes("hello world")), Method = new HttpRequestMethod(HttpRequestKnownMethod.Get), Uri = @"http://pcapdot.net/", }; PacketBuilder builder = new PacketBuilder(ethernetLayer, ipV4Layer, tcpLayer, httpLayer); return builder.Build(DateTime.Now); } } } </code></pre>
    singulars
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. USvietnguyen09
    1. USvietnguyen09
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. POC# Pcap.Net Send TCP, HTTP Packet not work
      1. This table or related slice is empty.
      1. VTUpMod
    1. COCan you use Wireshark and see what packet you get when you run this code and think what packet do you want to get? Remember that Pcap.Net can currently only be used to create single packets, so if you want to create a TCP stream you need to take care of all the TCP 3-way handshake and correct sequence and acknowledgment numbers in the following packets.
      singulars
      1. POC# Pcap.Net Send TCP, HTTP Packet not work
      1. USbrickner
    2. COThanks for reply @brickner, I using my IP Address (True IP) and creat a TCP Packet request on my VPS Server on port 80 with pcapdotnet! I can see request on wireshark, but i don't see this request on my server.
      singulars
      1. POC# Pcap.Net Send TCP, HTTP Packet not work
      1. USvietnguyen09
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload