** Guide Updated **
This guide is an evolution from this original guide. Unless the Kerrighed Team comes up with a substantially different version, this is the only update to this guide I will ever make as the steps are pretty much the same for all svn versions I have tested.
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If you want to protect your apache webserver against DOS,DDOS or brute force attacks use mod_evasive module.mod_evasive is an evasive maneuvers module for Apache to provide evasive action in the event of an HTTP DoS or DDoS attack or brute force attack. It is also designed to be a detection and network management tool, and can be easily configured to talk to ipchains, firewalls, routers, and etcetera. mod_evasive presently reports abuses via email and syslog facilities.
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This tutorial will explain Howto setup DHCP Server and Dynamic DNS with BIND in Debian.
Preparing you system
First you need to install DHCP,BIND servers using the following command
RT is an industrial-grade trouble ticketing system. It lets a group of people intelligently and efficiently manage requests submitted by a community of users. RT is used by systems administrators, customer support staffs, NOCs, developers, and even marketing departments to track issues, outages, bugs, requests, and all kinds of other things at thousands of sites around the world.
If you check your /var/log/messages file you can see lot of messages with -Mark- these are useless.You can disable them with the following procedure.
Problem: connect to the Internet via mobile phone and GPRS using USB-adapter Prolific PL2303 under Linux.
Solution: there are enough tools in Debian to do so.