How to install (D)DOS-Deflate

by Tweak on June 12, 2009
in Security, Servers

What is DOS-Deflate?

(D)DoS Deflate is a shell script developed by Zaf, originally for use on MediaLayer servers to assist in combating denial of service attacks. However, it was seen to be very effective for our purpose, and therefore was released as a contribution to the web hosting community. (D)DoS Deflate is now used by not only many web hosts, but by many people who run their own servers looking for additional security in dealing with such attacks.

How to install
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How To install BFD (Brute Force Detection)

by Tweak on June 9, 2009
in Servers

What is BFD (Brute Force Detection)?

BFD is a modular shell script for parsing applicable logs and checking for authentication failures. There is not much complexity or detail to BFD yet and likewise it is very straight-forward in its installation, configuration and usage. The reason behind BFD is very simple; the fact there is little to no authentication and brute force auditing programs in the linux community that work in conjunction with a firewall or real-time facility to place bans.

Note: You MUST have APF Firewall Installed before installing BFD – it works with APF and requires some APF files to operate.

Installation:
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Install mod_evasive on Apache (anti Dos)

by Tweak on June 8, 2009
in Apache

mod_evasive is a Apache module that provides evasive maneuvers action in the event of an HTTP DoS or DDoS (Denial of Service) attack or brute force attack at the web server. When possible attacks are detected, mod_evasive will block the traffic from the source for a specific duration of time, while reports abuses via email and syslog facilities. Or administrators can configure mod_evasive to talk to iptables, ipchains, firewalls, routers, and etc. to build a comprehensive DDOS prevention system for the high traffic busy web server.
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