spam-filtering

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mitchellkrogza /nginx-ultimate-bad-bot-blocker

Star4.7k

Nginx Block Bad Bots, Spam Referrer Blocker, Vulnerability Scanners, User-Agents, Malware, Adware, Ransomware, Malicious Sites, with anti-DDOS, Wordpress Theme Detector Blocking and Fail2Ban Jail for Repeat Offenders

nginx bots malware porn-filter gambling-filter spyware spam-prevention spambot-security spam-protection adware nginx-server spam-filtering scanners referrer-spam spam-referers spam-blocker referer-blocker vulnerability-scanners bot-blocker spam-referrer-blocker

UpdatedFeb 20, 2026
Shell

ThioJoe /YT-Spammer-Purge

Sponsor

Star4.7k

Allows you easily scan for and delete scam comments using several methods.

youtube spam-filtering

UpdatedAug 25, 2025
Python

daymade /Twitter-Block-Porn

Sponsor

Star2k

共享黑名单, 一键拉黑所有黄推诈骗犯. Block scammers who sending fake porn comments, and help you improve your experience using Twitter.

twitter porn-filter spam-filtering

UpdatedAug 29, 2024
JavaScript

altcha-org /altcha

Star2k

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

recaptcha captcha svelte wcag spam-prevention spam-protection antispam spam-filtering spam-detection ddos-mitigation proof-of-work captcha-alternative ddos-protection webcomponent hcaptcha spam-api

UpdatedFeb 4, 2026
JavaScript

mitchellkrogza /apache-ultimate-bad-bot-blocker

Star950

Apache Block Bad Bots, (Referer) Spam Referrer Blocker, Vulnerability Scanners, Malware, Adware, Ransomware, Malicious Sites, Wordpress Theme Detectors and Fail2Ban Jail for Repeat Offenders

security bots apache porn-filter gambling-filter rogue spam-prevention spambot-security apache2 spam-protection badwords spam-filtering scanners bad-words spam-referers spam-blocker referer-blocker vulnerability-scanners bot-blocker spam-referrer-blocker

UpdatedFeb 20, 2026
C

splorp /wordpress-comment-blocklist

Star577

A simple solution for WordPress comment spam.

wordpress blacklist blocklist antispam spam-filtering wordpress-comments comment-blacklist comment-blocklist

UpdatedFeb 20, 2026

SwiftOnSecurity /SwiftFilter

Star418

Exchange Transport rules to detect and enable response to phishing

email phishing spam-filtering spam-detection

UpdatedMay 9, 2020

airbnb /artificial-adversary

Star401

🗣️ Tool to generate adversarial text examples and test machine learning models against them

python spam data-science machine-learning text-mining data-mining text-classification metrics text text-analysis python3 classification text-processing python2 spam-filtering spam-detection spam-classification adversarial-examples black-box-attacks black-box-benchmarking

UpdatedJan 7, 2022
Python

RuiSiang /PoW-Shield

Star395

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

UpdatedFeb 17, 2026
TypeScript

Stevie-Ray /referrer-spam-blocker

Sponsor

Star381

Apache, Nginx, IIS, uWSGI, Varnish, HAProxy & Lighttpd blacklist + Google Analytics segments to prevent referrer spam traffic 🤖

nginx google-analytics apache uwsgi varnish haproxy spam-prevention lighttpd spam-filtering referrer-spam google-analitics referrer-spam-blocker

UpdatedJan 19, 2026
VCL

spamscanner /spamscanner

Star362

Spam Scanner is a Node.js anti-spam, email filtering, and phishing prevention tool and service. Built for@ladjs,@forwardemail,@cabinjs,@breejs, and@lassjs.