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#

ddos-mitigation

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Here are 133 public repositories matching this topic...

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haproxy

haproxy / haproxy

Star 7k

HAProxy Load Balancer's development branch (mirror of git.haproxy.org)

caching http ipv6 https high-performance proxy cache http2 load-balancer reverse-proxy haproxy high-availability fastcgi proxy-protocol ddos-mitigation tls13
  • Updated Nov 12, 2026
  • C
fastnetmon

pavel-odintsov / fastnetmon

Star 3.7k

Very fast DDoS sensor with sFlow/Netflow/IPFIX/SPAN support

fastnetmon ddos sflow netflow netmap ipfix pcap dos juniper cisco mikrotik analyzer ddos-reporter ddos-mitigation ddos-sensor ddos-monitor ddos-detector netflow-collector ddos-defender attack-detector
  • Updated Nov 2, 2026
  • C++
altcha

altcha-org / altcha

Star 2.9k

GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.

security privacy recaptcha captcha svelte wcag spam-prevention spam-protection anti-bot antispam spam-detection ddos-mitigation proof-of-work captcha-alternative ddos-protection anti-abuse hcaptcha spam-api
  • Updated Nov 12, 2026
  • TypeScript

mCaptcha / mCaptcha

Star 2.5k

A no-nonsense CAPTCHA system with seamless UX | Backend component

rust privacy captcha self-hosted spam-protection ddos-mitigation proof-of-work self-host ddos-protection actix-web mcaptcha
  • Updated Oct 7, 2025
  • Rust
Nginx-Lua-Anti-DDoS

C0nw0nk / Nginx-Lua-Anti-DDoS

Sponsor
Star 1.7k

A Anti-DDoS script to protect Nginx web servers using Lua with a HTML Javascript based authentication puzzle inspired by Cloudflare I am under attack mode an Anti-DDoS authentication page protect yourself from every attack type All Layer 7 Attacks Mitigating Historic Attacks DoS DoS Implications DDoS All Brute Force Attacks Zero day exploits Soc…

javascript html security protection ddos dos lua exploit waf traffic cloudflare ddos-attacks denial-of-service nginx-lua ddos-mitigation anti-ddos antiddos ddos-attack distributed-denial-of-service anti-ddos-script
  • Updated Oct 16, 2026
  • Lua

AltraMayor / gatekeeper

Star 1.7k

The first open-source DDoS protection system

ddos dpdk ddos-mitigation anti-ddos ddos-protection
  • Updated Sep 23, 2026
  • C

EtherDream / freecdn

Star 999

A front-end CDN based on ServiceWorker

web service-worker cdn network proxy javascipt ddos-mitigation web-image avif-image
  • Updated Jun 7, 2022
  • JavaScript
xdp-firewall

gamemann / xdp-firewall

Sponsor
Star 966

A firewall that utilizes the Linux kernel's XDP hook. The XDP hook allows for very fast network processing on Linux systems. This is great for dropping malicious traffic from a (D)DoS attack. IPv6 is supported with this firewall! I hope this helps network engineers/programmers interested in utilizing XDP!

linux fast security ddos dos kernel network firewall ddos-attacks denial-of-service ebpf xdp bpf ddos-mitigation anti-ddos ddos-protection fw dos-protection dos-attack distributed-denial-of-service
  • Updated Oct 24, 2026
  • C

kyprizel / testcookie-nginx-module

Star 533

simple robot mitigation module using cookie based challenge/response technique. Not supported any more.

nginx ddos ddos-mitigation nginx-module
  • Updated May 18, 2026
  • C
vDDoS-Protection

duy13 / vDDoS-Protection

Star 524

Welcome to vDDoS, a HTTP(S) DDoS Protection Reverse Proxy. Thank you for using!

ddos reverse-proxy ddos-attacks ddos-detection ddos-mitigation anti-ddos ddos-protection antiddos vddos-proxy-protection recaptcha-robot-challenge http-denial-of-service-tools robot-mitigator cookie-challenge-response http-challenge-response vddos
  • Updated Jun 14, 2026
  • Shell
PoW-Shield

RuiSiang / PoW-Shield

Star 408

Project dedicated to fight Layer 7 DDoS with proof of work, with an additional WAF and controller. Completed with full set of features and containerized for rapid and lightweight deployment.

nodejs security typescript ddos proxy-server waf cybersecurity spam-protection koa2 netsec spam-filtering network-security ddos-mitigation proof-of-work ddos-protection
  • Updated Nov 11, 2026
  • TypeScript
captcha

prosopo / captcha

Star 303

Open-source, frictionless CAPTCHA and bot defense. A privacy-focused alternative to reCAPTCHA and hCaptcha.

security spam privacy recaptcha captcha spam-protection antispam spam-detection ddos-mitigation bot-detection proof-of-work captcha-alternative self-host ddos-protection invisible-captcha human-verification hcaptcha procaptcha frictionless-captcha bot-defense
  • Updated Nov 12, 2026
  • TypeScript

EtherDream / js-port-knocking

Star 273

Web 端口敲门的奇思妙想

javascript security ddos-mitigation portknocking
  • Updated Oct 22, 2020
  • HTML

fnzv / net-Shield

Star 252

An Easy and Simple Anti-DDoS solution for VPS,Dedicated Servers and IoT devices - Beta

linux nginx proxy firewall iptables ddos-detection ddos-mitigation antiddos
  • Updated Nov 9, 2021
  • Go
antiddos

mintyYuki / antiddos

Star 134

Simple script against most network threats.

linux security attack firewall netfilter ddos-mitigation anti-ddos ddos-protection nftables antiddos anti-ddos-protection layer4 anti-ddos-script ddos-defense
  • Updated Mar 22, 2026
  • Shell
geo-nft

wirefalls / geo-nft

Star 125

Bash script to create nftables sets of country specific IP address ranges for use with firewall rulesets. The project provides a simple and flexible way to implement geolocation filtering with nftables. It can be a useful tool to reduce the chance of malware, ransomware and phishing attempts as well as mitigating the effects of DDoS attacks.

anti-malware ip-geolocation geoip-location linux-server netfilter firewalls ddos-mitigation firewall-configuration ddos-protection firewall-rules nftables ransomware-prevention linux-security geo-ip geoip-database anti-phishing malware-protection phishing-protection nftables-rules nftables-geoip
  • Updated Nov 6, 2023
  • Shell

CleanTalk / anti-ddos-lite

Star 124

Anti-DDoS-Lite (Anti-Crawler app) is a small PHP app to protect your site against DDoS attack.

javascript bot php ddos verification ddos-attacks ddos-mitigation cleantalk ddos-protection human-verification
  • Updated Sep 23, 2026
  • PHP

Cyberlands-io / epiphany

Star 119

A pre-DDoS security assessment tool

ddos ddos-mitigation ddos-tool ddos-protection
  • Updated Jun 11, 2021
  • Python

ns1 / xdp-workshop

Star 108

Velocity SJC 2019 - DDoS mitigation made easy with XDP and eBPF

c ddos ebpf xdp bpf ddos-mitigation
  • Updated Jun 11, 2019
  • C

theraw / The-World-Is-Yours

Star 103

Nginx L7 DDoS Protection! And many more features 💥 ⚡

nginx nginx-proxy ddos-mitigation ddos-protection nginx-l7-ddos-protection
  • Updated Aug 20, 2026
  • Shell

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