How do you stop a DDOS attack and what can you do to prevent them?

Published on: December 18, 2013 by

What are DDOS attacks?

DDOS is an attack aimed at the main server running or hosting your website or application. It can prevent your users from accessing your website or application and can leave you running at a loss for losing out on site visitors. DDOS or DoS as they are commonly referred to as is the abbreviated form for Distributed Denial of Service or Denial or service. It is a specialized term used to depict an exceptional strike on a programming, administration or provision over the web. In computing terms, this assault happens when activity is sent from a particular server to an alternate host workstation with the sole point of obstructing their administrations, so it gets possessed and can't be gained entrance to by authentic clients. In layman terms, it’s fundamentally a project that launches a strike at an alternate individual's site or application to debilitate it from being utilized by its customary clients. This is the thing that makes the site or provision unavailable. These sorts of assaults are extremely regular with servers of banks, payment entryways and government websites. In the course of the most recent years there has been a surge in these sorts of assaults. With the increment in the eCommerce business and individuals utilizing the web for more purposes these ambushes have ended up very bothersome.

How to prevent dos attacks?

If you want to know how to mitigate DDOS attacks then you must first check if your server mainly your Domain Name System server is safe and under lockdown. Here are a couple of effects a DDOS attack is likely to do to your server:

It will over work your processor and thus prevent and real and genuine tasks from being performed.
It will start interfering with the microcode and will force your computer or server to act unstable or lock itself up.
Find loopholes and take advantage of errors in the operating system in order to consume all of its resources.
Cause the operating system to crash.

In order to prevent a DDOS attack you must:

Set up simple commands for your firewall to permit or reject IP address, ports or protocols.
Check your switch and limit your server’s bandwidth and set a limit to prevent it from being hit by a considerable amount of traffic.
Get application front end hardware to scrutinize your data packets as they go through the system
Add filters to your router and get it to drop packets from apparent resources of attack.
Set effective and aggressive time-outs for half open connections.
Set a lesser Synchronous, Internet Control Message Protocol and User Datagram Protocol flood drop entry points.

Doing these simple steps can help answer your questions about how to protect server from DDOS. This isn’t all thought you must always keep a vigilant eye out for these kinds of acts as no system or server is fool-proof. If you get too complacent then your server might be more susceptible to an attack.

DDoS, DDoS attack, DDoS prevention

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