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Author: UltratechHost - Replies: 0 - Views: 3754
How to Detect DoS attacks ?
Here is a command line to run on your server if you think your server is under attack. It prints our a list of open connections to your server and sorts them by amount.

RedHat: netstat -ntu | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n

BSD: netstat -na |awk '{print $5}' |cut -d "." -f1,2,3,4 |sort |uniq -c |sort -n

You can also check for connections by running the following command.
netstat -plan | grep :80 | awk '{print $4 }' | sort -n | uniq -c | sort

These are few s
Author: UltratechHost - Replies: 0 - Views: 7706
An overview of DoS and Ways to Detect and Prevent DDoS Attack
DoS is an abbreviation of Denial of Service attack. It is a type of attack on a network which is developed to flood the network with useless traffic. Many DoS attacks, such as the Ping of Death and Teardrop attacks, exploit limitations in the TCP/IP protocols. For almost every attack that is known, there are software fixes available, which the system administrators can install to limit the damage caused by the attacks. Just like viruses, newer DoS attacks are being developed by hackers.With this
Author: UltratechHost - Replies: 0 - Views: 4351
DoS Protection via APF, BFD, DDOS and RootKit
Being a web host, your servers are constantly being attacked by hackers by denial-of-service (DoS) and other brute force attacks. There is no foolproof method to stop 100% of all attacks, but there are ways to protect your servers by applying firewall rules, and detecting and banning attacking IPs.

This article makes use of the APF, BFD, DDoS Deflate and RootKit to detect and protect your server from denial-of-service type attacks. To apply those utilities, please follow the instructions belo
Author: UltratechHost - Replies: 0 - Views: 4723
Flood/DoS/DDoS Protection with mod_dosevasive (Avoiding Denial of Service Attacks)
With the widespread infection of many computers with viruses, and the ever increasing number of Botnets, DoS and DDoS attacks can be quite frequent and can very easily bring a website to halt for days. This article provides a module solution for apache to help mitigate small http DoS and DDoS attacks.

Download the latest version of mod_dosevasive from:
Code:
http://www.nuclearelephant.com/projects/dosevasive

The lastest version is 1.10
[code]http://www.nuclearelephant.com/projects