What is DDOS attack?

a safe way to get rid of ddos is to have a better rated firewall service opted for.. the hackers simply affect our computers. i have also tried this as a part of my research once and was partly successful. so prevention is the best cure for this.

One way you can help with DDOS outbound attacks is Mod_security on an apache server. You can also put the server behind a hardware and software firewall. A popular software firewall is APF by RF networks, and most D.C's offer Cisco Firewall protection as an additional service which places your ips behind a firewall for further protection. No real way to prevent all DDOS attacks, however, hardware firewalls will begin filtering out ips that are being used in the DDOS keeping damage to a minimum
James

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what is a ddos?
say your server has a 100mbit connection, hackers will overflow your server with a 500mbit connection resulting in a crash
how to avoid?
its IMPOSSIBLE to avoid it for 100%
you can ofcourse:
make sure your connection is burstable. so you actully use a 100mbit connection, but if someone attacks you it will burst to a 500mbit connection.
and then you can ban the attackers ip adress.

There's a nice read on the topic at http://www.securitydocs.com/library/2616
The part I especially like is


So, choosing a host make sure all the tips are considered, I also see "Hacker Safe" badges at hosts' sites, the one is at http://www.webhostingbuzz.com/websi..._shared-hosting, I think altogether it may guarantee you server stability.

denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a computer resource unavailable to its intended users. Although the means to, motives for, and targets of a DoS attack may vary, it generally consists of the concerted, malevolent efforts of a person or persons to prevent an Internet site or service from functioning efficiently or at all, temporarily or indefinitely.

Perpetrators of DoS attacks typically target sites or services hosted on high-profile web servers such as banks, credit card payment gateways, and even DNS root servers.

One common method of attack involves saturating the target (victim) machine with external communications requests, such that it cannot respond to legitimate traffic, or responds so slowly as to be rendered effectively unavailable. In general terms, DoS attacks are implemented by:

* forcing the targeted computer(s) to reset, or consume its resources so that it can no longer provide its intended service; or,
* obstructing the communication media between the intended users and the victim so that they can no longer communicate adequately.