Search Results for "detect"

lua-resty-waf is a web application firewall implemented in Lua for OpenResty/NGINX, designed to run inline at the edge with low overhead. It inspects requests and responses during NGINX phases, applying rule logic and anomaly scoring to detect patterns like SQL injection, cross-site scripting, and protocol abuse. Rules are organized into policies with configurable actions—block, log, or allow—and can leverage shared dictionaries for counters, rate limits, and caching decisions. Because it runs inside the NGINX event loop, it scales with the web tier and avoids the latency of external proxies. ...

IOSEC PHP HTTP FLOOD PROTECTION ADDONS IOSEC is a php component that allows you to simply block unwanted access to your webpage. if a bad crawler uses to much of your servers resources iosec can block that. IOSec Enhanced...

A daemon to detect spammers trying to harvest email addresses by username guessing and temporarily DROP them with iptables firewall rules. The program also looks for and kills sendmail processes that have been stuck in "cmd read" mode for a long time.

Gardol monitors system log files to detect denial of service and other attacks and blocks attacking sites with Linux iptables. Attack detection rules may be programmed in Perl.