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License: GNU Lesser General Public License v3.0
Forked from http://sourceforge.net/projects/packetnet/
License: GNU Lesser General Public License v3.0
Packet.Net Packet.Net is a high performance .Net assembly for dissecting and constructing network packets such as ethernet, ip, tcp, udp etc. Author: Chris Morgan <[email protected]> http://packetnet.sourceforge.net Code is found in the PacketDotNet namespace. Getting started =============== A few basic examples can be found in the Examples/ directory. Debug vs. Release builds ======================== The Debug build depends on log4net and has log4net calls in some of its classes and code paths. The Release build does NOT depend on log4net and, taking advantage of conditional method attributes, does not include any calls to log4net methods. This ensures that there is no performance impact on release builds. Performance benchmarks ====================== The Test/ directory contains a few benchmarks that were used to guide the design and implementation of Packet.Net. These benchmarks either contain 'performance' or 'benchmark' in their names. If you have a performance concern or issue you'll want to write a concise test that reproduces your usage case in a controlled manner. It will then be possible to run and re-run this test case in various profiling modes in order to look at potential ways of optimizing code. The tests will also provide a baseline from which to compare any proposed performance improvements in order to ensure that changes are not inadvertantly reducing instead of increasing performance.
Wireshark and other similar services allow decrypting of https responses by installing a certificate on the browser. Is there a way to do it with Packet.Net?
It's such a great library that I'm using it well. Thank you so much.
I am looking for advice while using this library.
When I create and transmit a TCP packet, I want to set the TCP packet's Options or OptionsCollection property.
However, if i try to set Option-related parameters, an error occurs saying that memory cannot be allocated or overflowed.
By any chance, can I get some guide to setting TCP packet Options property?
LINUX_SLL2 layer type 276 is not supported.
StendStart.zip
When I try to load this project it keeps telling me there is a configuration failure on the packet.net project of the solution. I am unable to assign debug/release or cpu types to it. When I try to compile it says that it cannot find packet.net. I assume this is because of the configuration issues. I have tried to load this project in 2017, 2019, 2022 visual studio.
Verify the minimal length of a header/payload and EnsurePacketLength
This is an excellent library that is really helping me understand and dissect voice over IP packets. I am having a problem with it though (it is easy to work around by the way but wanted to point it out so you are aware). These are my notes for my work around:
// This library has an issue. It is grabbing the first two bytes of the ethernet packet for the udp.SourcePort
// And bytes 3 & 4 for the upd.DestinationPort
// So this code:
// if ( (udp.SourcePort == cr2.RtpSwitchPort || udp.DestinationPort == cr2.RtpSwitchPort) && cr2.ShouldRecord == true)
// Won't work because it is grabbing the wrong bytes.
// The UDP Source and Destination ports are bytes 1&2 and 3&4, respectively of the UDP packet encapsulated inside the larger ethernet packet
// Effectively they are:
// Source port = bytes 34 & 35 and Destination port = bytes 36 & 37 of the whole network packet
// ....because the full packet not just UDP packet is being pulled into the UDP portion
// when we grab IpV4Datagram ip = packet.Ipv4; then UdpDatagram udp = ip.Udp;
Let me know what you think of this.
Thanks.
-Marco.
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