C TCP

Open-source C projects categorized as TCP
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Topics: UDP HTTP Networking C Async
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Top 18 C TCP Projects

  • Mongoose

    Embedded Web Server (by cesanta)

    • Project mention: Coroutines in C | news.ycombinator.com | 2024-02-25

    I've found myself at this webpage multiple times while trying to minimize the complexity of APIs in my C projects.

    My conclusion for now is that C coroutines are something to be left to the implementer. For example: Mongoose (https://github.com/cesanta/mongoose) uses event callbacks to deal with asynchronousness. It is much more pleasant to wrap a library like this in whatever thread/task primitives your system has rather than try to integrate the mythical cross-platform c couroutine.

  • dperf

    dperf is a 100Gbps network load tester.

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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  • boopkit

    Linux eBPF backdoor over TCP. Spawn reverse shells, RCE, on prior privileged access. Less Honkin, More Tonkin.

    • Project mention: Network Instrumentation and TCP File Descriptor Hijacking | news.ycombinator.com | 2023-05-22

    > What's the performance hit for doing this?

    So I want to be clear. This work is very much in the "fantasy" stage. I haven't ran this at scale, and there is a lot I would do before I blindly rolled something like this out. As far performance impact, it obviously would depend on how it's implemented however I think a reasonable amount of "tracer packets" being sent out every 15 seconds or so to each hop shouldn't be too disruptive to the network, or to the host machine issuing the request. In other words if you take the `ptrace(2)` concern out of the equation (this is the big one in my mind) its going to be negligible.

    > And, the rootkit question, how would eBPF notice you doing this?

    I suppose it would depend on what your strategy with eBPF is and where you were looking. Reminding yourself that the pidfd_getfd and pidfd_open functions are system calls, I think any modern Linux auditing system would see something like this "a mile away".

    In other words, I don't see somebody using this tactic to steal FDs in production without quickly alerting most security systems. I suspect there would be ways of hiding this however... https://github.com/krisnova/boopkit...

  • uSockets

    Miniscule cross-platform eventing, networking & crypto for async applications

  • ucall

    Remote Procedure Calls - 50x lower latency and 70x higher bandwidth than FastAPI, implementing JSON-RPC & 🔜 REST over io_uring and SIMDJSON ☎️

    • Project mention: Show HN: U)Search Images demo in 200 lines of Python | news.ycombinator.com | 2023-09-07

  • DDOS-RootSec

    DDOS Archive by RootSec (Scanners, BotNets (Mirai and QBot Premium & Normal and more), Exploits, Methods, Sniffers)

  • microtcp

    A minimal TCP/IP stack

    • Project mention: Show HN: MicroTCP, a minimal TCP/IP stack | /r/patient_hackernews | 2023-11-02

  • InfluxDB

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  • Modbus-STM32-HAL-FreeRTOS

    Modbus TCP and RTU, Master and Slave for STM32 using Cube HAL and FreeRTOS

    • Project mention: Soil NPK sensor | /r/embedded | 2023-12-09

  • hev-socks5-tproxy

    A simple, lightweight socks5 transparent proxy for Linux. (IPv4/IPv6/TCP/UDP)

  • tcptunnel

    A simple TCP port forwarder.

    • Project mention: tcptunnel alternatives - redir and socat-windows | libhunt.com/r/tcptunnel | 2023-10-10

  • AMP-Research

    Research on UDP/TCP amplification vectors, payloads and mitigations against their use in DDoS Attacks

  • connmap

    connmap is an X11 desktop widget that shows location of your current network peers on a world map

    • Project mention: connmap - X11 desktop widget that shows location of your current network peers on a world map | /r/u_jafarlihi | 2023-07-05

  • ngx_healthcheck_module

    nginx module for upstream servers health check. support stream and http upstream. 该模块可以为Nginx提供主动式后端服务器健康检查的功能（同时支持四层和七层后端服务器的健康检测）

  • fi6s

    IPv6 network scanner designed to be fast

  • TCP_BBR

    BBR implementation and research resources

  • tirdad

    TCP ISN CPU Information Leak Protection. TCP Initial Sequence Numbers Randomization to prevent TCP ISN based CPU Information Leaks.

  • sdr-modem

    Modem based on software defined radios.

  • echo-server

    📢 A simple TCP echo server with different methods for sync multiplexing (by shlomnissan)

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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

C TCP related posts

Index

What are some of the best open-source TCP projects in C? This list will help you:

Project Stars
1 Mongoose 10,589
2 dperf 4,430
3 boopkit 1,506
4 uSockets 1,215
5 ucall 985
6 DDOS-RootSec 665
7 microtcp 466
8 Modbus-STM32-HAL-FreeRTOS 458
9 hev-socks5-tproxy 364
10 tcptunnel 347
11 AMP-Research 315
12 connmap 309
13 ngx_healthcheck_module 259
14 fi6s 154
15 TCP_BBR 60
16 tirdad 36
17 sdr-modem 27
18 echo-server 2

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