spam-prevention

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mitchellkrogza /nginx-ultimate-bad-bot-blocker

Star4.3k

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

UpdatedMar 26, 2025
Shell

mitchellkrogza /apache-ultimate-bad-bot-blocker

Star864

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

UpdatedMar 26, 2025
C

altcha-org /altcha

Star732

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

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

UpdatedMar 16, 2025
JavaScript

Stevie-Ray /referrer-spam-blocker

Sponsor

Star377

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

google-analytics spam-prevention spam-filtering referrer-spam referrer-spam-blocker

UpdatedMar 1, 2025
VCL

spamscanner /spamscanner

Star310

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

javascript api set spam data node service scanner spamassassin anti-spam spam-prevention spam-protection rspamd spam-filtering spam-classifier spam-detection enron spam-classification spam-filter rspam

UpdatedNov 9, 2024
JavaScript

haumacher /phoneblock

Sponsor

Star210

Der Spam-Filter für die Fritz!Box

java fritzbox fritz-box spam-prevention avm-fritz cold-calls phonebook call-blocker

UpdatedMar 22, 2025
Java

unkn0w /disposable-email-domain-list

Star149

List of disposable email domains. You can use it to block fake users on your newsletter.

spam email-validation newsletter spam-prevention spam-protection newsletters spam-filtering spam-detection spam-emails

UpdatedMar 24, 2025
PHP

Speyedr /socialclub-notification-blocker

Star93

Next-generation firewall (NGFW) that supports blocking SocialClub Overlay notifications.

firewall python3 spam-prevention gtav heuristics windivert spam-filter next-generation-firewall pydivert socialclub

UpdatedMar 19, 2023
Python

ErikMcClure /sweetiebot

Star73

Anti-Spam bot for Discord

chatbot discord-bot raid anti-spam spam-prevention spam-protection antispam administration-bot

UpdatedDec 15, 2024
Go

Vnet-as /postfwd-anti-geoip-spam-plugin

Star63

Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.

spam mail botnet email postfix blocklist geoip anti-spam spam-prevention mail-filter antispam postfwd botnet-spam

UpdatedOct 5, 2021
Perl

isometriks /IsometriksSpamBundle

Star45

Symfony Form Spam Protection

php spam symfony-bundle honeypot spam-prevention

UpdatedMay 29, 2024
PHP

Noah-Huppert /human-call-filter

Star42

Captcha for phone calls

twilio phone telephony spam-prevention voip spam-filtering twilio-voice

UpdatedSep 23, 2018
Go

E-F-A /v3

Star38

E.F.A version 3.x.x.x

shell spam spam-prevention spam-protection spam-filtering appliance

UpdatedJan 27, 2024
Shell

mitchellkrogza /Stop.Google.Analytics.Ghost.Spam.HOWTO

Star32

How to stop Google Analytics "Ghost" Spam using a well curated list of spam referrer domains and web sites. Simple and easy to use with instructions for creating Segments in Google Analytics using our google-exclude files.

spam analytics google-analytics spam-prevention spam-protection segments spam-filtering referrer-spam referrer-spam-blocker ghost-spam