How to install and uninstall DDoS Deflate on Linux server
May 10th, 2012
How to install and uninstall DDoS Deflate on Linux server
DDoS Deflate
(D)DoS Deflate is a lightweight bash shell script designed to assist in the process of blocking a denial of service attack. It utilizes the command below to create a list of IP addresses connected to the server, along with their total number of connections. It is one of the simplest and easiest to install solutions at the software level.
netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n
Installation:
Go to below path.
cd /usr/local/src/
Create directory
mkdir ddos
Go to that directory
cd ddos
Get the latest source file using the below link:
wget http://www.inetbase.com/scripts/ddos/install.sh
Install DDOS Deflate
sh install.sh
Edit the configuration file,
/usr/local/ddos/ddos.conf
Start the ddos
/usr/local/ddos/ddos.sh -c
Uninstallation
Download the below file
wget http://www.inetbase.com/scripts/ddos/uninstall.ddos
Check the permission of uninstall.ddos, If it is not 700 then make it using below command.
chmod 0700 uninstall.ddos
Run the below command to uninstall it. ./uninstall.ddos
Note:
- It is possible to whitelist IP addresses, via /usr/local/ddos/ignore.ip.list.
- Simple configuration file: /usr/local/ddos/ddos.conf
- IP addresses are automatically unblocked after a preconfigured time limit (default: 600 seconds)
- The script can run at a chosen frequency via the configuration file (default: 1 minute)
- You can receive email alerts when IP addresses are blocked.
Categories: CPanel / WHM, Installation, Security