Owasp HTTP POST DoS Apache Webserver Attack

Pubblicato il: 23 gennaio 2012
sul canale di: MaurisTechChannel
29,249
32

Download Link:

https://www.owasp.org/index.php/OWASP...

This Tutorials shows, how you can easily take out an Apache Webserver with one HTTP POST Tool using a std. slow DSL Connection.

This is NO Slowloris Attack!

Limitations of HTTP GET DDOS attack:

Does not work on IIS web servers or web
servers with timeout limits for HTTP headers.

Easily defensible using popular load balancers,
such as F5 and Cisco, reverse proxies and
certain Apache modules, such as mod_antiloris.

Anti-DDOS systems may use "delayed
binding"/"TCP Splicing" to defend against HTTP
GET attacks.

Why HTTP POST DDOS attack works

-This attack can evade Layer 4 detection
techniques as there is no malformed TCP, just
like Slowloris.

-Unlike Slowloris, there is no delay in sending
HTTP Header, hence nullifying IIS built-in
defense, making IIS vulnerable too.

-Size, character sets and time intervals can be
randomised to foil any recognition of Layer 7
traffic patterns by DDOS protection systems.

-Difficult to differentiate from legit connections
which are slow

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