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Author: UltratechHost - Replies: 0 - Views: 4663
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: 9118
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