Naxsi v-0.46 released

Naxsi is an open source, high performance, low rules maintenance, Web Application Firewall module for Nginx, the famous web server and reverse-proxy.

Its goal is to help people securing their web applications against attacks like SQL Injections, Cross Site Scripting, Cross Site Request Forgery, Local & Remote file inclusions.

The difference with most WAF (Web Application Firewalls) out there is that it does not rely upon signatures to detect and block attacks. It uses a simpler model where, instead of trying to detect “known” attacks, it detects unexpected characters in the HTTP requests/arguments.

Each kind of unusual character will increase the score of the request. If the request reaches a score considered “too high”, the request will be denied, and the user will be redirected to a “forbidden” page. Yes, it works somewhat like a spam system.

Release note version 0.46 : Naxsi 0.46 brings a new web interface and minor correction in naxsi core.
Why it is different?
Because it works on a learning mode (read white list). Set the module in learning mode, crawl your site, and it will generate the necessary white lists to avoid false positives! Naxsi doesn’t rely upon pre-defined signatures, so it should be capable to defeat complex/unknown/obfuscated attack patterns. $ make install-boot to install the necessary scripts to start up samhain every time you boot your machine (supported: Linux, FreeBSD, MacOS X, Solaris, HP-UX, AIX).
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